Infiniti G Gas Mileage (MPG)
Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Infiniti G's real-world MPG based on how and where you drive a car.
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Infiniti G
Infiniti G Gas Mileage
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2012 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | light | light | 0 | 0 | 0 | 100 | 75 | 25.6 |
| 2012 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | light | light | 0 | 0 | 0 | 100 | 75 | 25.6 |
| Averages | flat | light | light | 0 | 0 | 0 | 100 | 75 | 25.6 | |
| With the 328-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2012 Infiniti G fuel economy has been averaging
25.6 MPG (miles per gallon). The 2012 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 100 percent of the miles driven). The rest of the miles were in heavy traffic (0 percent), in the suburbs (0 percent), and in the city (0 percent). In addition the average 2012 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2012 | 4dr Sedan 218-horsepower 2.5L V6 7-speed shiftable automatic AWD |
flat | light | none | 0 | 30 | 0 | 70 | 60 | 23.7 |
| 2012 | 4dr Sedan 218-horsepower 2.5L V6 7-speed shiftable automatic AWD |
flat | light | none | 0 | 30 | 0 | 70 | 60 | 23.7 |
| Averages | flat | light | none | 0 | 30 | 0 | 70 | 60 | 23.7 | |
| With the 218-horsepower 2.5L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2012 Infiniti G has been averaging
23.7 MPG (miles per gallon). The 2012 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 70 percent of the miles driven). The rest of the miles were in the city (30 percent), in heavy traffic (0 percent), and in the suburbs (0 percent). In addition the average 2012 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2011 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic RWD |
hills | med | none | 15 | 25 | 40 | 20 | 70 | 19.0 |
| flat | light | light | 10 | 0 | 30 | 60 | 70 | 23.0 | ||
| flat | med | light | 10 | 0 | 30 | 60 | 70 | 21.8 | ||
| hills | med | light | 10 | 20 | 45 | 25 | 60 | 19.5 | ||
| flat | light | light | 10 | 15 | 15 | 60 | 65 | 24.0 | ||
| 2011 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | med | light | 11 | 12 | 32 | 45 | 67 | 21.5 |
| Averages | flat | med | light | 11 | 12 | 32 | 45 | 67 | 21.5 | |
| With the 328-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2011 Infiniti G gas mileage has been averaging
21.5 MPG (miles per gallon). The 2011 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 67 miles per hour (about 45 percent of the miles driven). The rest of the miles were in the suburbs (32 percent), in the city (12 percent), and in heavy traffic (11 percent). In addition the average 2011 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2011 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | med | none | 13 | 13 | 33 | 40 | 75 | 19.7 |
| flat | med | light | 1 | 10 | 14 | 75 | 65 | 22.0 | ||
| 2011 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | med | light | 7 | 12 | 24 | 58 | 70 | 20.9 |
| Averages | flat | med | light | 7 | 12 | 24 | 58 | 70 | 20.9 | |
| With the 328-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2011 Infiniti G fuel economy has been averaging
20.9 MPG (miles per gallon). The 2011 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 58 percent of the miles driven). The rest of the miles were in the suburbs (24 percent), in the city (12 percent), and in heavy traffic (7 percent). In addition the average 2011 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2011 | 4dr Sedan 218-horsepower 2.5L V6 7-speed shiftable automatic RWD |
flat | med | light | 5 | 5 | 70 | 20 | 65 | 21.0 |
| flat | med | light | 1 | 1 | 7 | 91 | 70 | 25.4 | ||
| 2011 | 4dr Sedan 218-horsepower 2.5L V6 7-speed shiftable automatic RWD |
flat | med | light | 3 | 3 | 39 | 56 | 68 | 23.2 |
| Averages | flat | med | light | 3 | 3 | 39 | 56 | 68 | 23.2 | |
| With the 218-horsepower 2.5L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, the 2011 Infiniti G has been averaging
23.2 MPG (miles per gallon). The 2011 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 56 percent of the miles driven). The rest of the miles were in the suburbs (39 percent), in heavy traffic (3 percent), and in the city (3 percent). In addition the average 2011 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2010 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | med | light | 10 | 20 | 20 | 50 | 81 | 24.7 |
| flat | med | light | 5 | 10 | 0 | 85 | 81 | 25.6 | ||
| flat | med | light | 10 | 20 | 20 | 50 | 74 | 24.5 | ||
| flat | med | none | 30 | 15 | 15 | 40 | 60 | 19.7 | ||
| flat | med | light | 5 | 10 | 0 | 85 | 81 | 29.8 | ||
| 2010 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | med | light | 12 | 15 | 11 | 62 | 75 | 24.9 |
| Averages | flat | med | light | 12 | 15 | 11 | 62 | 75 | 24.9 | |
| With the 328-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2010 Infiniti G gas mileage has been averaging
24.9 MPG (miles per gallon). The 2010 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 62 percent of the miles driven). The rest of the miles were in the city (15 percent), in heavy traffic (12 percent), and in the suburbs (11 percent). In addition the average 2010 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2010 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | med | none | 0 | 40 | 20 | 40 | 75 | 20.2 |
| flat | med | light | 10 | 50 | 30 | 10 | 75 | 18.5 | ||
| flat | med | none | 0 | 40 | 20 | 40 | 70 | 22.8 | ||
| flat | med | none | 10 | 50 | 30 | 10 | 75 | 18.0 | ||
| flat | lead | none | 0 | 2 | 10 | 88 | 75 | 20.2 | ||
| 2010 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | med | none | 4 | 36 | 22 | 38 | 74 | 19.9 |
| Averages | flat | med | none | 4 | 36 | 22 | 38 | 74 | 19.9 | |
| With the 328-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2010 Infiniti G fuel economy has been averaging
19.9 MPG (miles per gallon). The 2010 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 74 miles per hour (about 38 percent of the miles driven). The rest of the miles were in the city (36 percent), in the suburbs (22 percent), and in heavy traffic (4 percent). In addition the average 2010 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2010 | 4dr Sedan 328-horsepower 3.7L V6 6-speed manual RWD |
flat | med | none | 0 | 0 | 0 | 100 | 75 | 28.0 |
| hills | med | light | 30 | 70 | 0 | 0 | N/A | 15.9 | ||
| flat | med | hvy | 0 | 100 | 0 | 0 | N/A | 18.5 | ||
| flat | med | light | 0 | 13 | 9 | 78 | 70 | 27.0 | ||
| flat | light | none | 0 | 11 | 7 | 82 | 70 | 29.5 | ||
| 2010 | 4dr Sedan 328-horsepower 3.7L V6 6-speed manual RWD |
flat | med | light | 6 | 39 | 3 | 52 | 72 | 23.8 |
| Averages | flat | med | light | 6 | 39 | 3 | 52 | 72 | 23.8 | |
| With the 328-horsepower 3.7L V6 engine, 6-speed manual transmission, and rear-wheel drive, the 2010 Infiniti G has been averaging
23.8 MPG (miles per gallon). The 2010 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 72 miles per hour (about 52 percent of the miles driven). The rest of the miles were in the city (39 percent), in heavy traffic (6 percent), and in the suburbs (3 percent). In addition the average 2010 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2010 | 2dr Hardtop conv. 325-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | lead | none | 5 | 10 | 80 | 5 | 60 | 18.0 |
| 2010 | 2dr Hardtop conv. 325-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | lead | none | 5 | 10 | 80 | 5 | 60 | 18.0 |
| Averages | flat | lead | none | 5 | 10 | 80 | 5 | 60 | 18.0 | |
| With the 325-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2010 Infiniti G gas mileage has been averaging
18.0 MPG (miles per gallon). The 2010 Infiniti Gs in this analysis were driven mostly in the suburbs (about 80 percent of the miles driven). The rest of the miles were in the city (10 percent), in heavy traffic (5 percent), and on the highway at an average speed of 60 miles per hour (5 percent). In addition the average 2010 Infiniti G in this analysis was driven on flat terrain with a lead foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2010 | 2dr Coupe 330-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | med | none | 0 | 0 | 0 | 100 | 75 | 31.8 |
| flat | med | none | 4 | 13 | 13 | 70 | 80 | 25.6 | ||
| 2010 | 2dr Coupe 330-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | med | none | 2 | 7 | 7 | 85 | 78 | 28.7 |
| Averages | flat | med | none | 2 | 7 | 7 | 85 | 78 | 28.7 | |
| With the 330-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2010 Infiniti G fuel economy has been averaging
28.7 MPG (miles per gallon). The 2010 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 78 miles per hour (about 85 percent of the miles driven). The rest of the miles were in the city (7 percent), in the suburbs (7 percent), and in heavy traffic (2 percent). In addition the average 2010 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2009 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | light | none | 50 | 0 | 0 | 50 | 65 | 21.6 |
| flat | light | none | 20 | 10 | 30 | 40 | 60 | 24.2 | ||
| flat | med | none | 10 | 15 | 10 | 65 | 70 | 21.0 | ||
| flat | light | hvy | 0 | 75 | 0 | 25 | 65 | 22.1 | ||
| flat | med | light | 10 | 10 | 15 | 65 | 60 | 25.8 | ||
| 2009 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | light | light | 18 | 22 | 11 | 49 | 64 | 22.9 |
| Averages | flat | light | light | 18 | 22 | 11 | 49 | 64 | 22.9 | |
| With the 328-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, the 2009 Infiniti G has been averaging
22.9 MPG (miles per gallon). The 2009 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 49 percent of the miles driven). The rest of the miles were in the city (22 percent), in heavy traffic (18 percent), and in the suburbs (11 percent). In addition the average 2009 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2009 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | med | light | 10 | 15 | 50 | 25 | 60 | 17.5 |
| flat | med | hvy | 5 | 15 | 55 | 25 | 60 | 16.9 | ||
| flat | med | none | 5 | 15 | 55 | 25 | 60 | 19.1 | ||
| flat | lead | hvy | 10 | 15 | 50 | 25 | 60 | 17.8 | ||
| flat | med | light | 10 | 15 | 50 | 25 | 60 | 18.0 | ||
| 2009 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | med | light | 8 | 15 | 52 | 25 | 60 | 17.9 |
| Averages | flat | med | light | 8 | 15 | 52 | 25 | 60 | 17.9 | |
| With the 328-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2009 Infiniti G gas mileage has been averaging
17.9 MPG (miles per gallon). The 2009 Infiniti Gs in this analysis were driven mostly in the suburbs (about 52 percent of the miles driven). The rest of the miles were on the highway at an average speed of 60 miles per hour (25 percent), in the city (15 percent), and in heavy traffic (8 percent). In addition the average 2009 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2009 | 4dr Sedan 328-horsepower 3.7L V6 6-speed manual RWD |
flat | light | light | 0 | 9 | 0 | 91 | 70 | 24.5 |
| 2009 | 4dr Sedan 328-horsepower 3.7L V6 6-speed manual RWD |
flat | light | light | 0 | 9 | 0 | 91 | 70 | 24.5 |
| Averages | flat | light | light | 0 | 9 | 0 | 91 | 70 | 24.5 | |
| With the 328-horsepower 3.7L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2009 Infiniti G fuel economy has been averaging
24.5 MPG (miles per gallon). The 2009 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 91 percent of the miles driven). The rest of the miles were in the city (9 percent), in heavy traffic (0 percent), and in the suburbs (0 percent). In addition the average 2009 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2009 | 2dr Hardtop conv. 325-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | lead | hvy | 25 | 25 | 25 | 25 | 75 | 20.0 |
| flat | med | light | 0 | 50 | 0 | 50 | 75 | 21.9 | ||
| flat | lead | hvy | 25 | 25 | 25 | 25 | 75 | 20.0 | ||
| 2009 | 2dr Hardtop conv. 325-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | lead | hvy | 17 | 33 | 17 | 33 | 75 | 20.6 |
| Averages | flat | lead | hvy | 17 | 33 | 17 | 33 | 75 | 20.6 | |
| With the 325-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, the 2009 Infiniti G has been averaging
20.6 MPG (miles per gallon). The 2009 Infiniti Gs in this analysis were driven mostly in the city (about 33 percent of the miles driven). The rest of the miles were on the highway at an average speed of 75 miles per hour (33 percent), in heavy traffic (17 percent), and in the suburbs (17 percent). In addition the average 2009 Infiniti G in this analysis was driven on flat terrain with a lead foot and the AC on most or all of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2009 | 2dr Hardtop conv. 325-horsepower 3.7L V6 6-speed manual RWD |
flat | lead | none | 10 | 10 | 70 | 10 | 70 | 15.0 |
| 2009 | 2dr Hardtop conv. 325-horsepower 3.7L V6 6-speed manual RWD |
flat | lead | none | 10 | 10 | 70 | 10 | 70 | 15.0 |
| Averages | flat | lead | none | 10 | 10 | 70 | 10 | 70 | 15.0 | |
| With the 325-horsepower 3.7L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2009 Infiniti G gas mileage has been averaging
15.0 MPG (miles per gallon). The 2009 Infiniti Gs in this analysis were driven mostly in the suburbs (about 70 percent of the miles driven). The rest of the miles were in heavy traffic (10 percent), in the city (10 percent), and on the highway at an average speed of 70 miles per hour (10 percent). In addition the average 2009 Infiniti G in this analysis was driven on flat terrain with a lead foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2009 | 2dr Coupe 330-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | med | hvy | 16 | 39 | 0 | 45 | 75 | 17.6 |
| flat | med | none | 5 | 5 | 20 | 70 | 75 | 20.0 | ||
| flat | lead | light | 0 | 0 | 10 | 90 | 80 | 22.0 | ||
| flat | lead | hvy | 16 | 39 | 0 | 45 | 75 | 17.0 | ||
| flat | med | none | 10 | 10 | 20 | 60 | 60 | 22.4 | ||
| 2009 | 2dr Coupe 330-horsepower 3.7L V6 7-speed shiftable automatic RWD |
flat | med | light | 9 | 19 | 10 | 62 | 73 | 19.8 |
| Averages | flat | med | light | 9 | 19 | 10 | 62 | 73 | 19.8 | |
| With the 330-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2009 Infiniti G fuel economy has been averaging
19.8 MPG (miles per gallon). The 2009 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 62 percent of the miles driven). The rest of the miles were in the city (19 percent), in the suburbs (10 percent), and in heavy traffic (9 percent). In addition the average 2009 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2009 | 2dr Coupe 330-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | light | light | 10 | 10 | 10 | 70 | 60 | 20.0 |
| flat | light | light | 10 | 10 | 10 | 70 | 60 | 19.5 | ||
| flat | light | light | 10 | 10 | 10 | 70 | 60 | 19.6 | ||
| flat | light | light | 10 | 10 | 10 | 70 | 60 | 21.2 | ||
| flat | med | hvy | 10 | 10 | 10 | 70 | 60 | 21.7 | ||
| 2009 | 2dr Coupe 330-horsepower 3.7L V6 7-speed shiftable automatic AWD |
flat | light | light | 10 | 10 | 10 | 70 | 60 | 20.4 |
| Averages | flat | light | light | 10 | 10 | 10 | 70 | 60 | 20.4 | |
| With the 330-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2009 Infiniti G has been averaging
20.4 MPG (miles per gallon). The 2009 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 70 percent of the miles driven). The rest of the miles were in heavy traffic (10 percent), in the suburbs (10 percent), and in the city (10 percent). In addition the average 2009 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2009 | 2dr Coupe 330-horsepower 3.7L V6 6-speed manual RWD |
hills | light | none | 0 | 33 | 33 | 33 | 60 | 20.0 |
| mtns | med | none | 0 | 30 | 0 | 70 | 75 | 21.0 | ||
| 2009 | 2dr Coupe 330-horsepower 3.7L V6 6-speed manual RWD |
mtns | med | none | 0 | 32 | 17 | 52 | 68 | 20.5 |
| Averages | mtns | med | none | 0 | 32 | 17 | 52 | 68 | 20.5 | |
| With the 330-horsepower 3.7L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2009 Infiniti G gas mileage has been averaging
20.5 MPG (miles per gallon). The 2009 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 52 percent of the miles driven). The rest of the miles were in the city (32 percent), in the suburbs (17 percent), and in heavy traffic (0 percent). In addition the average 2009 Infiniti G in this analysis was driven on mountainous terrain with a medium foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 6-speed manual RWD |
mtns | lead | light | 5 | 5 | 0 | 90 | 80 | 22.0 |
| flat | med | hvy | 5 | 5 | 10 | 80 | 80 | 21.8 | ||
| flat | med | hvy | 5 | 15 | 30 | 50 | 75 | 20.6 | ||
| flat | med | hvy | 5 | 15 | 20 | 60 | 80 | 21.6 | ||
| flat | med | hvy | 5 | 15 | 30 | 50 | 80 | 20.1 | ||
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 6-speed manual RWD |
flat | med | hvy | 5 | 11 | 18 | 66 | 79 | 21.2 |
| Averages | flat | med | hvy | 5 | 11 | 18 | 66 | 79 | 21.2 | |
| With the 306-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2008 Infiniti G fuel economy has been averaging
21.2 MPG (miles per gallon). The 2008 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 79 miles per hour (about 66 percent of the miles driven). The rest of the miles were in the suburbs (18 percent), in the city (11 percent), and in heavy traffic (5 percent). In addition the average 2008 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | light | light | 100 | 0 | 0 | 0 | N/A | 20.8 |
| flat | lead | light | 15 | 25 | 25 | 35 | 80 | 17.6 | ||
| flat | med | hvy | 10 | 40 | 10 | 40 | 74 | 18.8 | ||
| flat | med | hvy | 10 | 15 | 45 | 30 | 65 | 20.3 | ||
| flat | med | hvy | 5 | 5 | 5 | 85 | 74 | 25.3 | ||
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | hvy | 28 | 17 | 17 | 38 | 73 | 20.6 |
| Averages | flat | med | hvy | 28 | 17 | 17 | 38 | 73 | 20.6 | |
| With the 306-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, the 2008 Infiniti G has been averaging
20.6 MPG (miles per gallon). The 2008 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 38 percent of the miles driven). The rest of the miles were in heavy traffic (28 percent), in the suburbs (17 percent), and in the city (17 percent). In addition the average 2008 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | med | light | 0 | 0 | 70 | 30 | 65 | 19.0 |
| flat | light | none | 5 | 5 | 20 | 70 | 65 | 20.9 | ||
| flat | med | light | 4 | 30 | 40 | 26 | 65 | 18.2 | ||
| flat | light | hvy | 10 | 10 | 15 | 65 | 60 | 18.4 | ||
| flat | light | hvy | 0 | 0 | 0 | 100 | 60 | 24.5 | ||
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | light | light | 4 | 9 | 29 | 58 | 63 | 20.2 |
| Averages | flat | light | light | 4 | 9 | 29 | 58 | 63 | 20.2 | |
| With the 306-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, 2008 Infiniti G gas mileage has been averaging
20.2 MPG (miles per gallon). The 2008 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 63 miles per hour (about 58 percent of the miles driven). The rest of the miles were in the suburbs (29 percent), in the city (9 percent), and in heavy traffic (4 percent). In addition the average 2008 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2008 | 2dr Coupe 330-horsepower 3.7L V6 6-speed manual RWD |
flat | light | light | 0 | 5 | 70 | 25 | 70 | 20.9 |
| flat | light | hvy | 0 | 5 | 70 | 25 | 70 | 21.3 | ||
| flat | light | hvy | 0 | 0 | 0 | 100 | 75 | 26.7 | ||
| flat | light | light | 0 | 5 | 70 | 25 | 70 | 21.2 | ||
| flat | light | none | 0 | 5 | 70 | 25 | 70 | 21.0 | ||
| 2008 | 2dr Coupe 330-horsepower 3.7L V6 6-speed manual RWD |
flat | light | light | 0 | 4 | 56 | 40 | 71 | 22.2 |
| Averages | flat | light | light | 0 | 4 | 56 | 40 | 71 | 22.2 | |
| With the 330-horsepower 3.7L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2008 Infiniti G fuel economy has been averaging
22.2 MPG (miles per gallon). The 2008 Infiniti Gs in this analysis were driven mostly in the suburbs (about 56 percent of the miles driven). The rest of the miles were on the highway at an average speed of 71 miles per hour (40 percent), in the city (4 percent), and in heavy traffic (0 percent). In addition the average 2008 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2008 | 2dr Coupe 330-horsepower 3.7L V6 5-speed shiftable automatic RWD |
mtns | med | none | 5 | 15 | 30 | 50 | 70 | 24.0 |
| flat | med | none | 10 | 10 | 30 | 50 | 60 | 21.4 | ||
| flat | med | light | 0 | 0 | 90 | 10 | 62 | 22.8 | ||
| flat | med | light | 0 | 0 | 30 | 70 | 75 | 22.0 | ||
| flat | med | light | 0 | 80 | 0 | 20 | 70 | 19.4 | ||
| 2008 | 2dr Coupe 330-horsepower 3.7L V6 5-speed shiftable automatic RWD |
flat | med | light | 3 | 21 | 36 | 40 | 67 | 21.9 |
| Averages | flat | med | light | 3 | 21 | 36 | 40 | 67 | 21.9 | |
| With the 330-horsepower 3.7L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, the 2008 Infiniti G has been averaging
21.9 MPG (miles per gallon). The 2008 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 67 miles per hour (about 40 percent of the miles driven). The rest of the miles were in the suburbs (36 percent), in the city (21 percent), and in heavy traffic (3 percent). In addition the average 2008 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 6-speed manual RWD |
flat | light | hvy | 7 | 27 | 7 | 60 | 75 | 21.4 |
| hills | med | none | 5 | 35 | 30 | 30 | 60 | 21.0 | ||
| hills | med | light | 21 | 24 | 25 | 29 | 60 | 19.0 | ||
| flat | med | hvy | 10 | 30 | 30 | 30 | 75 | 24.4 | ||
| flat | med | none | 5 | 30 | 30 | 35 | 70 | 19.0 | ||
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 10 | 29 | 24 | 37 | 68 | 21.0 |
| Averages | flat | med | light | 10 | 29 | 24 | 37 | 68 | 21.0 | |
| With the 306-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2007 Infiniti G gas mileage has been averaging
21.0 MPG (miles per gallon). The 2007 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 37 percent of the miles driven). The rest of the miles were in the city (29 percent), in the suburbs (24 percent), and in heavy traffic (10 percent). In addition the average 2007 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic RWD |
hills | med | none | 10 | 5 | 20 | 65 | 80 | 19.2 |
| hills | med | light | 5 | 5 | 20 | 70 | 80 | 21.6 | ||
| hills | med | light | 10 | 5 | 20 | 65 | 80 | 19.8 | ||
| flat | med | hvy | 0 | 5 | 5 | 90 | 75 | 23.2 | ||
| hills | med | none | 10 | 5 | 10 | 75 | 80 | 24.8 | ||
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic RWD |
hills | med | light | 7 | 5 | 15 | 73 | 79 | 21.7 |
| Averages | hills | med | light | 7 | 5 | 15 | 73 | 79 | 21.7 | |
| With the 306-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2007 Infiniti G fuel economy has been averaging
21.7 MPG (miles per gallon). The 2007 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 79 miles per hour (about 73 percent of the miles driven). The rest of the miles were in the suburbs (15 percent), in heavy traffic (7 percent), and in the city (5 percent). In addition the average 2007 Infiniti G in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | med | none | 0 | 19 | 33 | 48 | 70 | 17.2 |
| flat | med | none | 0 | 15 | 35 | 50 | 70 | 18.4 | ||
| flat | med | none | 0 | 10 | 20 | 70 | 70 | 19.2 | ||
| flat | light | none | 0 | 10 | 30 | 60 | 65 | 18.2 | ||
| flat | med | none | 0 | 25 | 35 | 40 | 75 | 17.9 | ||
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | med | none | 0 | 16 | 31 | 54 | 70 | 18.2 |
| Averages | flat | med | none | 0 | 16 | 31 | 54 | 70 | 18.2 | |
| With the 306-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, the 2007 Infiniti G has been averaging
18.2 MPG (miles per gallon). The 2007 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 54 percent of the miles driven). The rest of the miles were in the suburbs (31 percent), in the city (16 percent), and in heavy traffic (0 percent). In addition the average 2007 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2007 | 2dr Coupe 293-horsepower 3.5L V6 6-speed manual RWD |
flat | med | none | 5 | 25 | 20 | 50 | 70 | 18.5 |
| 2007 | 2dr Coupe 293-horsepower 3.5L V6 6-speed manual RWD |
flat | med | none | 5 | 25 | 20 | 50 | 70 | 18.5 |
| Averages | flat | med | none | 5 | 25 | 20 | 50 | 70 | 18.5 | |
| With the 293-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2007 Infiniti G gas mileage has been averaging
18.5 MPG (miles per gallon). The 2007 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the city (25 percent), in the suburbs (20 percent), and in heavy traffic (5 percent). In addition the average 2007 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2006 | 4dr Sedan 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | none | 20 | 20 | 30 | 30 | 70 | 21.4 |
| flat | lead | none | 10 | 40 | 40 | 10 | 60 | 18.5 | ||
| flat | med | none | 20 | 10 | 30 | 40 | 70 | 21.7 | ||
| flat | med | none | 10 | 20 | 30 | 40 | 75 | 21.9 | ||
| flat | med | none | 10 | 20 | 30 | 40 | 75 | 21.3 | ||
| 2006 | 4dr Sedan 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | none | 14 | 22 | 32 | 32 | 70 | 21.0 |
| Averages | flat | med | none | 14 | 22 | 32 | 32 | 70 | 21.0 | |
| With the 298-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2006 Infiniti G fuel economy has been averaging
21.0 MPG (miles per gallon). The 2006 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 32 percent of the miles driven). The rest of the miles were in the suburbs (32 percent), in the city (22 percent), and in heavy traffic (14 percent). In addition the average 2006 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2006 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | v.lt | hvy | 0 | 0 | 0 | 100 | 60 | 29.6 |
| flat | med | light | 40 | 20 | 0 | 40 | 75 | 18.5 | ||
| flat | lead | hvy | 10 | 20 | 10 | 60 | 70 | 19.0 | ||
| flat | light | none | 5 | 20 | 0 | 75 | 75 | 23.0 | ||
| flat | v.lt | hvy | 0 | 10 | 65 | 25 | 60 | 21.3 | ||
| 2006 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | light | light | 11 | 14 | 15 | 60 | 68 | 22.3 |
| Averages | flat | light | light | 11 | 14 | 15 | 60 | 68 | 22.3 | |
| With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, the 2006 Infiniti G has been averaging
22.3 MPG (miles per gallon). The 2006 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 60 percent of the miles driven). The rest of the miles were in the suburbs (15 percent), in the city (14 percent), and in heavy traffic (11 percent). In addition the average 2006 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2006 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | med | none | 5 | 20 | 25 | 50 | 65 | 20.1 |
| flat | light | light | 5 | 30 | 20 | 45 | 75 | 20.1 | ||
| mtns | light | light | 0 | 0 | 20 | 80 | 70 | 23.9 | ||
| flat | med | light | 10 | 10 | 30 | 50 | 70 | 20.2 | ||
| flat | light | none | 0 | 60 | 20 | 20 | 70 | 16.3 | ||
| 2006 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | light | light | 4 | 24 | 23 | 49 | 70 | 20.1 |
| Averages | flat | light | light | 4 | 24 | 23 | 49 | 70 | 20.1 | |
| With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, 2006 Infiniti G gas mileage has been averaging
20.1 MPG (miles per gallon). The 2006 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 49 percent of the miles driven). The rest of the miles were in the city (24 percent), in the suburbs (23 percent), and in heavy traffic (4 percent). In addition the average 2006 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2006 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 10 | 60 | 10 | 20 | 70 | 18.5 |
| flat | med | none | 5 | 10 | 60 | 25 | 60 | 19.7 | ||
| flat | med | light | 12 | 73 | 2 | 12 | 60 | 18.4 | ||
| flat | med | light | 2 | 4 | 30 | 64 | 70 | 23.4 | ||
| flat | med | hvy | 10 | 60 | 20 | 10 | 60 | 20.1 | ||
| 2006 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 8 | 41 | 24 | 26 | 64 | 20.0 |
| Averages | flat | med | light | 8 | 41 | 24 | 26 | 64 | 20.0 | |
| With the 298-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2006 Infiniti G fuel economy has been averaging
20.0 MPG (miles per gallon). The 2006 Infiniti Gs in this analysis were driven mostly in the city (about 41 percent of the miles driven). The rest of the miles were on the highway at an average speed of 64 miles per hour (26 percent), in the suburbs (24 percent), and in heavy traffic (8 percent). In addition the average 2006 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2006 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | none | 0 | 2 | 2 | 96 | 75 | 25.4 |
| flat | med | none | 0 | 0 | 46 | 54 | 80 | 19.5 | ||
| flat | light | hvy | 20 | 30 | 35 | 15 | 70 | 17.0 | ||
| flat | med | hvy | 11 | 11 | 44 | 33 | 60 | 19.0 | ||
| flat | light | none | 2 | 58 | 0 | 40 | 70 | 20.0 | ||
| 2006 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | light | 7 | 20 | 25 | 48 | 71 | 20.2 |
| Averages | flat | med | light | 7 | 20 | 25 | 48 | 71 | 20.2 | |
| With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, the 2006 Infiniti G has been averaging
20.2 MPG (miles per gallon). The 2006 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 71 miles per hour (about 48 percent of the miles driven). The rest of the miles were in the suburbs (25 percent), in the city (20 percent), and in heavy traffic (7 percent). In addition the average 2006 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2005 | 4dr Sedan 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 5 | 20 | 20 | 55 | 60 | 24.0 |
| 2005 | 4dr Sedan 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 5 | 20 | 20 | 55 | 60 | 24.0 |
| Averages | flat | med | light | 5 | 20 | 20 | 55 | 60 | 24.0 | |
| With the 298-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2005 Infiniti G gas mileage has been averaging
24.0 MPG (miles per gallon). The 2005 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 55 percent of the miles driven). The rest of the miles were in the city (20 percent), in the suburbs (20 percent), and in heavy traffic (5 percent). In addition the average 2005 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2005 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | light | 0 | 30 | 60 | 10 | 60 | 18.8 |
| hills | med | light | 5 | 10 | 65 | 20 | 65 | 18.0 | ||
| hills | med | light | 0 | 20 | 20 | 60 | 70 | 20.3 | ||
| 2005 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
hills | med | light | 2 | 20 | 48 | 30 | 65 | 19.0 |
| Averages | hills | med | light | 2 | 20 | 48 | 30 | 65 | 19.0 | |
| With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2005 Infiniti G fuel economy has been averaging
19.0 MPG (miles per gallon). The 2005 Infiniti Gs in this analysis were driven mostly in the suburbs (about 48 percent of the miles driven). The rest of the miles were on the highway at an average speed of 65 miles per hour (30 percent), in the city (20 percent), and in heavy traffic (2 percent). In addition the average 2005 Infiniti G in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2005 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | med | none | 25 | 25 | 0 | 50 | 55 | 18.1 |
| flat | light | none | 10 | 30 | 60 | 0 | N/A | 18.0 | ||
| flat | lead | none | 12 | 20 | 0 | 68 | 90 | 20.3 | ||
| flat | lead | hvy | 2 | 2 | 1 | 95 | 75 | 23.1 | ||
| 2005 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | med | none | 12 | 19 | 15 | 53 | 73 | 19.9 |
| Averages | flat | med | none | 12 | 19 | 15 | 53 | 73 | 19.9 | |
| With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, the 2005 Infiniti G has been averaging
19.9 MPG (miles per gallon). The 2005 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 53 percent of the miles driven). The rest of the miles were in the city (19 percent), in the suburbs (15 percent), and in heavy traffic (12 percent). In addition the average 2005 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2005 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | hvy | 20 | 70 | 0 | 10 | 60 | 16.5 |
| flat | light | light | 0 | 10 | 0 | 90 | 70 | 27.2 | ||
| flat | med | none | 0 | 20 | 80 | 0 | N/A | 22.8 | ||
| flat | light | none | 0 | 0 | 0 | 100 | 80 | 28.0 | ||
| flat | med | hvy | 18 | 64 | 9 | 9 | 85 | 18.0 | ||
| 2005 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 8 | 33 | 18 | 42 | 74 | 22.5 |
| Averages | flat | med | light | 8 | 33 | 18 | 42 | 74 | 22.5 | |
| With the 298-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2005 Infiniti G gas mileage has been averaging
22.5 MPG (miles per gallon). The 2005 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 74 miles per hour (about 42 percent of the miles driven). The rest of the miles were in the city (33 percent), in the suburbs (18 percent), and in heavy traffic (8 percent). In addition the average 2005 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2005 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | light | none | 20 | 60 | 10 | 10 | 70 | 17.4 |
| flat | med | none | 0 | 5 | 10 | 85 | 65 | 23.9 | ||
| flat | light | hvy | 0 | 50 | 10 | 40 | 65 | 19.6 | ||
| flat | light | none | 5 | 5 | 30 | 60 | 65 | 27.5 | ||
| hills | med | none | 0 | 0 | 20 | 80 | 75 | 28.0 | ||
| 2005 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | light | none | 5 | 24 | 16 | 55 | 68 | 23.3 |
| Averages | flat | light | none | 5 | 24 | 16 | 55 | 68 | 23.3 | |
| With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2005 Infiniti G fuel economy has been averaging
23.3 MPG (miles per gallon). The 2005 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 55 percent of the miles driven). The rest of the miles were in the city (24 percent), in the suburbs (16 percent), and in heavy traffic (5 percent). In addition the average 2005 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC not used at all. |
||||||||||
| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2004 | 4dr Sedan 280-horsepower 3.5L V6 6-speed manual RWD |
flat | light | none | 10 | 10 | 10 | 70 | 62 | 23.3 |
| flat | light | none | 10 | 10 | 10 | 70 | 62 | 23.3 | ||
| flat | light | none | 10 | 10 | 10 | 70 | 56 | 23.1 | ||
| flat | light | light | 10 | 10 | 0 | 80 | 62 | 23.1 | ||
| 2004 | 4dr Sedan 280-horsepower 3.5L V6 6-speed manual RWD |
flat | light | none | 10 | 10 | 8 | 73 | 61 | 23.2 |
| Averages | flat | light | none | 10 | 10 | 8 | 73 | 61 | 23.2 | |
| With the 280-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, the 2004 Infiniti G has been averaging
23.2 MPG (miles per gallon). The 2004 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 61 miles per hour (about 73 percent of the miles driven). The rest of the miles were in the city (10 percent), in heavy traffic (10 percent), and in the suburbs (8 percent). In addition the average 2004 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 5 | 10 | 30 | 55 | 65 | 21.0 |
| flat | lead | light | 5 | 50 | 5 | 40 | 60 | 19.5 | ||
| flat | light | light | 20 | 40 | 30 | 10 | 62 | 23.6 | ||
| flat | med | hvy | 0 | 40 | 30 | 30 | 60 | 16.2 | ||
| flat | med | hvy | 10 | 10 | 10 | 70 | 60 | 18.3 | ||
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 8 | 30 | 21 | 41 | 61 | 19.7 |
| Averages | flat | med | light | 8 | 30 | 21 | 41 | 61 | 19.7 | |
| With the 260-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2004 Infiniti G gas mileage has been averaging
19.7 MPG (miles per gallon). The 2004 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 61 miles per hour (about 41 percent of the miles driven). The rest of the miles were in the city (30 percent), in the suburbs (21 percent), and in heavy traffic (8 percent). In addition the average 2004 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | none | 100 | 0 | 0 | 0 | N/A | 17.4 |
| flat | lead | light | 2 | 3 | 5 | 90 | 70 | 26.0 | ||
| mtns | lead | none | 0 | 60 | 0 | 40 | 75 | 15.0 | ||
| flat | med | hvy | 15 | 55 | 15 | 15 | 75 | 14.6 | ||
| hills | light | light | 20 | 40 | 30 | 10 | 60 | 16.5 | ||
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
hills | med | light | 27 | 32 | 10 | 31 | 70 | 17.9 |
| Averages | hills | med | light | 27 | 32 | 10 | 31 | 70 | 17.9 | |
| With the 260-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2004 Infiniti G fuel economy has been averaging
17.9 MPG (miles per gallon). The 2004 Infiniti Gs in this analysis were driven mostly in the city (about 32 percent of the miles driven). The rest of the miles were on the highway at an average speed of 70 miles per hour (31 percent), in heavy traffic (27 percent), and in the suburbs (10 percent). In addition the average 2004 Infiniti G in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | light | none | 20 | 70 | 0 | 10 | 60 | 16.5 |
| flat | light | none | 20 | 70 | 0 | 10 | 60 | 16.5 | ||
| flat | lead | none | 20 | 20 | 30 | 30 | 65 | 16.5 | ||
| flat | light | hvy | 0 | 0 | 60 | 40 | 70 | 18.3 | ||
| flat | light | none | 0 | 10 | 60 | 30 | 60 | 21.0 | ||
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | light | none | 12 | 34 | 30 | 24 | 63 | 17.8 |
| Averages | flat | light | none | 12 | 34 | 30 | 24 | 63 | 17.8 | |
| With the 260-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, the 2004 Infiniti G has been averaging
17.8 MPG (miles per gallon). The 2004 Infiniti Gs in this analysis were driven mostly in the city (about 34 percent of the miles driven). The rest of the miles were in the suburbs (30 percent), on the highway at an average speed of 63 miles per hour (24 percent), and in heavy traffic (12 percent). In addition the average 2004 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2004 | 2dr Coupe 280-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 10 | 50 | 30 | 10 | 70 | 16.6 |
| flat | med | none | 10 | 50 | 30 | 10 | 70 | 15.8 | ||
| flat | med | light | 15 | 25 | 35 | 25 | 65 | 21.3 | ||
| flat | med | none | 10 | 50 | 30 | 10 | 70 | 15.2 | ||
| flat | med | light | 10 | 50 | 30 | 10 | 70 | 15.8 | ||
| 2004 | 2dr Coupe 280-horsepower 3.5L V6 6-speed manual RWD |
flat | med | none | 11 | 45 | 31 | 13 | 69 | 16.9 |
| Averages | flat | med | none | 11 | 45 | 31 | 13 | 69 | 16.9 | |
| With the 280-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2004 Infiniti G gas mileage has been averaging
16.9 MPG (miles per gallon). The 2004 Infiniti Gs in this analysis were driven mostly in the city (about 45 percent of the miles driven). The rest of the miles were in the suburbs (31 percent), on the highway at an average speed of 69 miles per hour (13 percent), and in heavy traffic (11 percent). In addition the average 2004 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2004 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | light | none | 20 | 15 | 5 | 60 | 60 | 20.1 |
| flat | med | light | 60 | 30 | 0 | 10 | 60 | 18.0 | ||
| flat | med | none | 5 | 10 | 25 | 60 | 70 | 18.8 | ||
| 2004 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | none | 28 | 18 | 10 | 43 | 63 | 19.0 |
| Averages | flat | med | none | 28 | 18 | 10 | 43 | 63 | 19.0 | |
| With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2004 Infiniti G fuel economy has been averaging
19.0 MPG (miles per gallon). The 2004 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 63 miles per hour (about 43 percent of the miles driven). The rest of the miles were in heavy traffic (28 percent), in the city (18 percent), and in the suburbs (10 percent). In addition the average 2004 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2004 | 2dr Coupe 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | none | 10 | 10 | 10 | 70 | 60 | 20.0 |
| 2004 | 2dr Coupe 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | none | 10 | 10 | 10 | 70 | 60 | 20.0 |
| Averages | flat | med | none | 10 | 10 | 10 | 70 | 60 | 20.0 | |
| With the 260-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, the 2004 Infiniti G has been averaging
20.0 MPG (miles per gallon). The 2004 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 70 percent of the miles driven). The rest of the miles were in heavy traffic (10 percent), in the suburbs (10 percent), and in the city (10 percent). In addition the average 2004 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2003 | 4dr Sedan 260-horsepower 3.5L V6 6-speed manual RWD |
flat | v.lt | hvy | 0 | 0 | 5 | 95 | 70 | 32.4 |
| hills | med | light | 0 | 0 | 40 | 60 | 75 | 16.4 | ||
| flat | med | hvy | 0 | 75 | 5 | 20 | 70 | 22.4 | ||
| mtns | v.lt | hvy | 0 | 0 | 5 | 95 | 70 | 26.8 | ||
| 2003 | 4dr Sedan 260-horsepower 3.5L V6 6-speed manual RWD |
hills | light | hvy | 0 | 19 | 14 | 68 | 71 | 24.5 |
| Averages | hills | light | hvy | 0 | 19 | 14 | 68 | 71 | 24.5 | |
| With the 260-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2003 Infiniti G gas mileage has been averaging
24.5 MPG (miles per gallon). The 2003 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 71 miles per hour (about 68 percent of the miles driven). The rest of the miles were in the city (19 percent), in the suburbs (14 percent), and in heavy traffic (0 percent). In addition the average 2003 Infiniti G in this analysis was driven on hilly terrain with a light foot and the AC on most or all of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2003 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | light | hvy | 4 | 23 | 23 | 50 | 74 | 18.8 |
| flat | med | none | 0 | 5 | 5 | 90 | 75 | 24.2 | ||
| flat | light | none | 10 | 10 | 15 | 65 | 60 | 23.3 | ||
| flat | med | none | 5 | 25 | 25 | 45 | 60 | 22.4 | ||
| flat | med | hvy | 15 | 5 | 25 | 55 | 75 | 25.8 | ||
| 2003 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | light | 7 | 14 | 19 | 61 | 69 | 22.9 |
| Averages | flat | med | light | 7 | 14 | 19 | 61 | 69 | 22.9 | |
| With the 260-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2003 Infiniti G fuel economy has been averaging
22.9 MPG (miles per gallon). The 2003 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 69 miles per hour (about 61 percent of the miles driven). The rest of the miles were in the suburbs (19 percent), in the city (14 percent), and in heavy traffic (7 percent). In addition the average 2003 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2003 | 2dr Coupe 280-horsepower 3.5L V6 6-speed manual RWD |
hills | med | hvy | 0 | 0 | 30 | 70 | 70 | 24.0 |
| flat | lead | light | 5 | 15 | 40 | 40 | 75 | 21.0 | ||
| flat | med | hvy | 20 | 30 | 20 | 30 | 75 | 18.0 | ||
| 2003 | 2dr Coupe 280-horsepower 3.5L V6 6-speed manual RWD |
flat | med | hvy | 8 | 15 | 30 | 47 | 73 | 21.0 |
| Averages | flat | med | hvy | 8 | 15 | 30 | 47 | 73 | 21.0 | |
| With the 280-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, the 2003 Infiniti G has been averaging
21.0 MPG (miles per gallon). The 2003 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 47 percent of the miles driven). The rest of the miles were in the suburbs (30 percent), in the city (15 percent), and in heavy traffic (8 percent). In addition the average 2003 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2003 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | med | light | 5 | 5 | 20 | 70 | 75 | 19.5 |
| flat | light | light | 10 | 30 | 20 | 40 | 75 | 19.8 | ||
| flat | med | hvy | 5 | 6 | 4 | 85 | 70 | 22.6 | ||
| mtns | med | light | 0 | 25 | 0 | 75 | 70 | 21.2 | ||
| mtns | med | none | 0 | 60 | 0 | 40 | 75 | 18.4 | ||
| 2003 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
hills | med | light | 4 | 25 | 9 | 62 | 73 | 20.3 |
| Averages | hills | med | light | 4 | 25 | 9 | 62 | 73 | 20.3 | |
| With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2003 Infiniti G gas mileage has been averaging
20.3 MPG (miles per gallon). The 2003 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 62 percent of the miles driven). The rest of the miles were in the city (25 percent), in the suburbs (9 percent), and in heavy traffic (4 percent). In addition the average 2003 Infiniti G in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2003 | 2dr Coupe 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | light | none | 0 | 30 | 50 | 20 | 70 | 18.3 |
| flat | light | none | 5 | 5 | 5 | 85 | 62 | 24.7 | ||
| 2003 | 2dr Coupe 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | light | none | 3 | 18 | 28 | 53 | 66 | 21.5 |
| Averages | flat | light | none | 3 | 18 | 28 | 53 | 66 | 21.5 | |
| With the 260-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2003 Infiniti G fuel economy has been averaging
21.5 MPG (miles per gallon). The 2003 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 66 miles per hour (about 53 percent of the miles driven). The rest of the miles were in the suburbs (28 percent), in the city (18 percent), and in heavy traffic (3 percent). In addition the average 2003 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC not used at all. |
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| Year | Body/Powertrain | flat, hilly, or mountainousLand | driving style: very light to "lead foot"Foot | A/C use: none to heavyA/C | constant stop and goTraf % | many stops per mileCity % | stop every mile or twoSub % | fairly steady speedHwy % | Hwy Spd | MPG |
| 2002 | 4dr Sedan 145-horsepower 2.0L I4 5-speed manual RWD |
flat | v.lt | none | 5 | 10 | 65 | 20 | 65 | 28.7 |
| 2002 | 4dr Sedan 145-horsepower 2.0L I4 5-speed manual RWD |
flat | v.lt | none | 5 | 10 | 65 | 20 | 65 | 28.7 |
| Averages | flat | v.lt | none | 5 | 10 | 65 | 20 | 65 | 28.7 | |
| With the 145-horsepower 2.0L I4 engine, 5-speed manual transmission, and rear-wheel drive, the 2002 Infiniti G has been averaging
28.7 MPG (miles per gallon). The 2002 Infiniti Gs in this analysis were driven mostly in the suburbs (about 65 percent of the miles driven). The rest of the miles were on the highway at an average speed of 65 miles per hour (20 percent), in the city (10 percent), and in heavy traffic (5 percent). In addition the average 2002 Infiniti G in this analysis was driven on flat terrain with an ultra-light foot and the AC not used at all. |
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If you are not a TrueDelta member, you can see only five Infiniti G MPG fuel economy averages for each powertrain. Log in or join us to see them all.
What Our Members Are Saying about the Real Infiniti G MPG
| Infiniti G Fuel Economy: Cons | ||
| Year | Body/Powertrain | Comment |
| 2010 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic AWD |
To be honest, it is exactly what I expected, so no real beefs with it. That said, if you are looking for a car that gets better than 19 or so combined, this is not it. Decent freeway miles (24-27/g) but in city it is hard to beat 16/g. |
| 2009 | 4dr Sedan 328-horsepower 3.7L V6 7-speed shiftable automatic AWD |
With such a large displaced engine and so much power you will find that you will have so-so mpg if you drive mainly in the city like I do. Especially if you are a "spirited" driver like I tend to be. I am averaging about 14-16mpg 95% city. On the highway its a different story. I have averaged up to 28mpg @ 78mph, I kind of wish I drove more on the highway. |
| 2009 | 2dr Coupe 330-horsepower 3.7L V6 7-speed shiftable automatic AWD |
average 18 in town 24 highway. |
| 2009 | 2dr Coupe 330-horsepower 3.7L V6 7-speed shiftable automatic RWD |
You do not buy a performance car and expect to get good gas mileage. At a 5 mpg or greater difference from my last car, it is taking some getting used too. |
| 2008 | 2dr Coupe 330-horsepower 3.7L V6 5-speed shiftable automatic RWD |
With both highway and city driving, I would only average 19 mpg with moderate gas pedal use vs 24 mpg in the c300, which is AWD. One month of strictly city driving with heavy gas pedal use I average only 13mpg... Yikes! |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic RWD |
The car is just not about fuel economy. You pay for performance. I get ~18 in suburb style driving and ~23 on highway but that maybe just me. |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
5th gear is short and really infringes on getting decent mileage (15-17 in mixed and 22-23 hwy). Accurate EPA figures but the new 7 speed AT for 2009 really helps. |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
With all that power available its hard not to use it. Expect in city driving to deliver less than 20mpg. |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic RWD |
burns too much fuel, I would like another 6 mpg even if power were cut |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic RWD |
Not too great. My average is 19 - 20 mpg, mostly city. |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
Takes a lot of fuel... 14L/100km about. |
| 2008 | 4dr Sedan 306-horsepower 3.5L V6 6-speed manual RWD |
While not terrible, ~20mpg is by no means phenomenal. Relatively comparable cars get ~23-27mpg, but typically also have smaller engines which explains a good portion of the difference. |
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic RWD |
Too low. |
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic RWD |
Fuel economy leaves much to be desired, but with proper management of acceleration, can be somewhat decent. |
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
To high! |
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
Drinks way too much! |
| 2007 | 4dr Sedan 306-horsepower 3.5L V6 5-speed shiftable automatic AWD |
I do a lot of short trips - MPG are around 16-17. Could be better but I knew this going in. |
| 2006 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
The fuel economy is somewhat disappointing. I averaged generally about 16mpg per tank when I lived and worked in a large city. Now that I live and commute to school out in the sticks, I amgetting around 23mpg with the cruise control locked at 55-60. |
| 2006 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD |
avg 19.5 mpg. Yeah I could do better if I never got on the gas, but then what would be the point of owning a G? |
| 2006 | 4dr Sedan 298-horsepower 3.5L V6 6-speed manual RWD |
Ive gotten as low as 13mpg, but I drive the car hard and I mean hard. |
| 2006 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD |
All wheel drive saps about 10% of fuel economy |
| 2006 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD |
An average of 20 mpg (mixed city driving) could be much better, especially with high gas prices |
| 2006 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
gas mileage seems to average about 24 highway and 14 city |
| 2005 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD |
Terrible fuel economy. 75 liters gives me 480 to a tank. |
| 2005 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
Isnt nice at the pump. Requires premium fuel. Price you pay for a sports car. |
| 2005 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
I only got 18 mpg while driving in mixed driving. The TL gets 22 day in and day out. |
| 2005 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
only getting 17mpg |
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 6-speed manual RWD |
The G35 takes premium gas and from my research it looked like it would average about 10 mpg less than the Solara. |
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic AWD |
got between 14 and 17 mpg in the city |
| 2004 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
At the very best, my combined fuel economy never got above 20.4 MPG and is recenly under 19. |
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
Currently get 25-27 highway and 21=22.5 in the city. Live in extremely mountainous terrain, so mpg would be higher in a flat area such as Nebraska or Kansas. I would have added a 6th gear and kept the power. |
| 2004 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic AWD |
16-17 city/24-25 highway |
| 2003 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
Highway fuel economy should be better, maybe higher fifth gear for lower revs at highway speeds. |
| 2003 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
Very poor city mpg, almost as bad as large SUV. |
| 2003 | 4dr Sedan 260-horsepower 3.5L V6 5-speed shiftable automatic RWD |
City fuel economy is terrible. (15L/100km) Highway fuel economy is not as good either. (8L/100km @ 105km/hr) if going any faster, the fuel economy get worse! |
| 2003 | 2dr Coupe 280-horsepower 3.5L V6 6-speed manual RWD |
Horrible fuel milage. Seems like they under-rated the horsepower and over rated the fuel economy. |
| 2003 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
Freeway or city driving, AC or no AC, always average out to be around 20-21. No more no less. |
