2005 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.
More about the
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 |
| 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 fuel economy 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. |
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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 |
| 2005 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
hills | med | light | 5 | 10 | 65 | 20 | 65 | 18.0 |
| hills | med | light | 0 | 20 | 20 | 60 | 70 | 20.3 | ||
| flat | med | light | 0 | 30 | 60 | 10 | 60 | 18.8 | ||
| 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, the 2005 Infiniti G 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. |
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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 |
| 2005 | 4dr Sedan 280-horsepower 3.5L V6 5-speed shiftable automatic AWD |
flat | light | none | 10 | 30 | 60 | 0 | N/A | 18.0 |
| flat | med | none | 25 | 25 | 0 | 50 | 55 | 18.1 | ||
| 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, 2005 Infiniti G gas mileage 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. |
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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 |
| 2005 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | hvy | 18 | 64 | 9 | 9 | 85 | 18.0 |
| flat | light | none | 0 | 0 | 0 | 100 | 80 | 28.0 | ||
| flat | light | light | 0 | 20 | 70 | 10 | 70 | 18.0 | ||
| flat | med | hvy | 20 | 70 | 0 | 10 | 60 | 16.5 | ||
| flat | med | none | 0 | 20 | 80 | 0 | N/A | 22.8 | ||
| 2005 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
flat | med | light | 8 | 35 | 32 | 26 | 74 | 20.7 |
| Averages | flat | med | light | 8 | 35 | 32 | 26 | 74 | 20.7 | |
| With the 298-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2005 Infiniti G fuel economy has been averaging
20.7 MPG (miles per gallon). The 2005 Infiniti Gs in this analysis were driven mostly in the city (about 35 percent of the miles driven). The rest of the miles were in the suburbs (32 percent), on the highway at an average speed of 74 miles per hour (26 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. |
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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 |
| 2005 | 2dr Coupe 280-horsepower 3.5L V6 5-speed shiftable automatic RWD |
flat | light | none | 5 | 50 | 20 | 25 | 65 | 21.0 |
| flat | med | light | 10 | 5 | 15 | 70 | 70 | 25.5 | ||
| flat | light | none | 20 | 60 | 10 | 10 | 70 | 18.5 | ||
| flat | light | hvy | 0 | 50 | 10 | 40 | 65 | 19.6 | ||
| 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 | light | 7 | 33 | 15 | 45 | 69 | 22.5 |
| Averages | flat | light | light | 7 | 33 | 15 | 45 | 69 | 22.5 | |
| With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, the 2005 Infiniti G 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 69 miles per hour (about 45 percent of the miles driven). The rest of the miles were in the city (33 percent), in the suburbs (15 percent), and in heavy traffic (7 percent). In addition the average 2005 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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What Our Members Are Saying about the Real 2005 Infiniti G MPG
| 2005 Infiniti G Fuel Economy: Cons | ||
| Year | Body/Powertrain | Comment |
| 2005 | 2dr Coupe 298-horsepower 3.5L V6 6-speed manual RWD |
only getting 17mpg |
| 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 |
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 AWD |
Terrible fuel economy. 75 liters gives me 480 to a tank. |
