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Infiniti M Fuel Economy Data

4dr Sedan 325-hp 4.5L V8 5-sp shiftable automatic AWD

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
flat med hvy 10 30 30 30 65 15.000
flat med hvy 10 30 30 30 65 16.500
flat light none 0 0 0 100 65 17.000
flat med none 0 0 0 100 75 15.000
flat lead none 0 0 0 100 75 13.000
flat med hvy 10 30 30 30 65 16.000
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flat med none 22 22 25 31 65 17.000
flat lead none 0 0 0 100 75 14.000
flat med none 0 0 0 100 75 14.500
flat med hvy 10 30 30 30 65 16.500

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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.