Infiniti QX 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 QX's real-world MPG based on how and where you drive a car.
More about the
Infiniti QX
Infiniti QX 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 |
| 2008 | 4dr SUV 320-horsepower 5.6L V8 5-speed automatic 4WD w/low range |
flat | med | hvy | 0 | 25 | 25 | 50 | 70 | 15.0 |
| flat | med | light | 21 | 21 | 26 | 32 | 60 | 14.0 | ||
| flat | med | none | 0 | 0 | 50 | 50 | 60 | 12.0 | ||
| 2008 | 4dr SUV 320-horsepower 5.6L V8 5-speed automatic 4WD w/low range |
flat | med | light | 7 | 15 | 34 | 44 | 63 | 13.7 |
| Averages | flat | med | light | 7 | 15 | 34 | 44 | 63 | 13.7 | |
| With the 320-horsepower 5.6L V8 engine, 5-speed automatic transmission, and four-wheel drive w/low range, 2008 Infiniti QX fuel economy has been averaging
13.7 MPG (miles per gallon). The 2008 Infiniti QXs in this analysis were driven mostly on the highway at an average speed of 63 miles per hour (about 44 percent of the miles driven). The rest of the miles were in the suburbs (34 percent), in the city (15 percent), and in heavy traffic (7 percent). In addition the average 2008 Infiniti QX 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 | 4dr SUV 315-horsepower 5.6L V8 5-speed automatic 4WD w/low range |
flat | v.lt | none | 57 | 0 | 0 | 43 | 62 | 17.4 |
| 2006 | 4dr SUV 315-horsepower 5.6L V8 5-speed automatic 4WD w/low range |
flat | v.lt | none | 57 | 0 | 0 | 43 | 62 | 17.4 |
| Averages | flat | v.lt | none | 57 | 0 | 0 | 43 | 62 | 17.4 | |
| With the 315-horsepower 5.6L V8 engine, 5-speed automatic transmission, and four-wheel drive w/low range, the 2006 Infiniti QX has been averaging
17.4 MPG (miles per gallon). The 2006 Infiniti QXs in this analysis were driven mostly in heavy traffic (about 57 percent of the miles driven). The rest of the miles were on the highway at an average speed of 62 miles per hour (43 percent), in the suburbs (0 percent), and in the city (0 percent). In addition the average 2006 Infiniti QX in this analysis was driven on flat terrain with an ultra-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 |
| 2005 | 4dr SUV 315-horsepower 5.6L V8 5-speed automatic 4WD w/low range |
flat | light | light | 20 | 20 | 0 | 60 | 68 | 14.9 |
| flat | light | none | 20 | 20 | 0 | 60 | 68 | 14.7 | ||
| flat | med | light | 5 | 60 | 10 | 25 | 70 | 14.1 | ||
| 2005 | 4dr SUV 315-horsepower 5.6L V8 5-speed automatic 4WD w/low range |
flat | light | light | 15 | 33 | 3 | 48 | 69 | 14.6 |
| Averages | flat | light | light | 15 | 33 | 3 | 48 | 69 | 14.6 | |
| With the 315-horsepower 5.6L V8 engine, 5-speed automatic transmission, and four-wheel drive w/low range, 2005 Infiniti QX gas mileage has been averaging
14.6 MPG (miles per gallon). The 2005 Infiniti QXs in this analysis were driven mostly on the highway at an average speed of 69 miles per hour (about 48 percent of the miles driven). The rest of the miles were in the city (33 percent), in heavy traffic (15 percent), and in the suburbs (3 percent). In addition the average 2005 Infiniti QX 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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If you are not a TrueDelta member, you can see only five Infiniti QX 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 QX MPG
| Infiniti QX Fuel Economy: Cons | ||
| Year | Body/Powertrain | Comment |
| 2008 | 4dr SUV 320-horsepower 5.6L V8 5-speed automatic 4WD w/low range |
It is what it is....we get 15 MPG on average (4wd). I can get 17 on the highway. |
