We are 107,000+ car owners sharing real-world car information.

Join Us

Infiniti M MPG

MPG Number of Vehicles
13 miles per gallon 1 vehicles
14 miles per gallon 1 vehicles
15 miles per gallon 3 vehicles
16 miles per gallon 1 vehicles
17 miles per gallon 4 vehicles
18 miles per gallon 0 vehicles
19 miles per gallon 0 vehicles
20 miles per gallon 0 vehicles
21 miles per gallon 1 vehicles
22 miles per gallon 1 vehicles
Model Year Body/Powertrain MPG  
2009 2009 4dr Sedan 330-hp 3.7L V6 7-sp shiftable automatic AWD 21
See all data
With the 330-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2009 Infiniti M has been averaging 21 MPG (miles per gallon).

The 2009 Infiniti Ms in this analysis were driven mostly in the city (about 40 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 heavy traffic (20 percent), and in the suburbs (0 percent).

In addition, the average 2009 Infiniti M in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.
2009 2009 4dr Sedan 330-hp 3.7L V6 7-sp shiftable automatic RWD 22
See all data
2009 2009 4dr Sedan 420-hp 5.6L V8 7-sp shiftable automatic AWD 15.45
See all data

Return to top

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Infiniti models.

What Our Members Are Saying about the Real Gas Mileage of the 2009 Infiniti M

2009 Infiniti M Real Gas Mileage: Cons
YearBody/PowertrainComment
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic AWD
Gas mileage stinks. see full Infiniti M review
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic RWD
average 21 hwy see full Infiniti M review
2008 4dr Sedan 275-horsepower 3.5L V6
5-speed shiftable automatic RWD
needs a 6th gear, since there is too much revving in 5th gear while cruising. they put a 6th gear in the 2009 version see full Infiniti M review
 

2009 Infiniti M 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 M's real-world MPG based on how and where you drive a car.