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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 | light | none | 0 | 0 | 0 | 100 | 65 | 17.000 | |
| flat | med | none | 0 | 0 | 0 | 100 | 75 | 15.000 | |
| flat | med | hvy | 10 | 30 | 30 | 30 | 65 | 16.500 | |
| flat | med | none | 22 | 22 | 25 | 31 | 65 | 17.000 | |
| flat | med | hvy | 10 | 30 | 30 | 30 | 65 | 16.500 | |
| flat | med | hvy | 10 | 30 | 30 | 30 | 65 | 15.000 | |
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| flat | med | none | 0 | 0 | 0 | 100 | 75 | 14.500 | |
| flat | med | hvy | 10 | 30 | 30 | 30 | 65 | 16.000 | |
| flat | lead | none | 0 | 0 | 0 | 100 | 75 | 13.000 | |
| flat | lead | none | 0 | 0 | 0 | 100 | 75 | 14.000 | |
What Our Members Are Saying about the Real Gas Mileage of the 2009 Infiniti M
5-speed shiftable automatic AWD
5-speed shiftable automatic RWD
5-speed shiftable automatic RWD
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.