We are 103,000+ car owners sharing real-world car information.

Join Us

Infiniti QX MPG

MPG Number of Vehicles
12 miles per gallon 1 vehicles
13 miles per gallon 0 vehicles
14 miles per gallon 2 vehicles
15 miles per gallon 4 vehicles
Model Year Body/Powertrain MPG  
2008 2008 4dr SUV 320-hp 5.6L V8 5-sp automatic 4WD w/low range 13.67
See all data
With the 400-horsepower 5.6L V8 engine, 7-speed shiftable automatic transmission, and all-wheel drive w/low range, the 2008 Infiniti QX has been averaging 13.67 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 city (15.3 percent), in heavy traffic (7 percent), and in the suburbs (0 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.
2006 2006 4dr SUV 320-hp 5.6L V8 5-sp automatic 4WD w/low range 15.3
See all data
2005 2005 4dr SUV 320-hp 5.6L V8 5-sp automatic 4WD w/low range 14.57
See all data

Return to top

What Our Members Are Saying about the Real Gas Mileage of the Infiniti QX

Infiniti QX Real Gas Mileage: Cons
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. see full Infiniti QX review

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.