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 | |
hills | med | none | 14 | 9 | 0 | 77 | 65 | 20.700 | |
flat | light | none | 0 | 30 | 50 | 20 | 70 | 18.333 | |
flat | med | none | 10 | 10 | 60 | 20 | 60 | 20.000 | |
flat | med | light | 0 | 1 | 99 | 0 | N/A | 20.200 | |
flat | med | light | 0 | 0 | 0 | 100 | 70 | 31.300 | |
flat | med | light | 11 | 56 | 11 | 22 | 60 | 20.100 | |
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flat | light | none | 10 | 40 | 10 | 40 | 75 | 19.500 | |
mtns | med | none | 0 | 60 | 0 | 40 | 75 | 18.430 | |
mtns | med | light | 0 | 25 | 0 | 75 | 70 | 21.200 | |
flat | light | light | 10 | 30 | 20 | 40 | 75 | 19.800 | |
flat | med | light | 5 | 5 | 20 | 70 | 75 | 19.500 | |
flat | med | hvy | 5 | 6 | 4 | 85 | 70 | 22.580 |
What Our Members Are Saying about the Real Gas Mileage of the 2003 Infiniti G
5-speed shiftable automatic RWD
5-speed shiftable automatic AWD
6-speed manual RWD
5-speed shiftable automatic AWD
5-speed shiftable automatic RWD
5-speed shiftable automatic RWD
5-speed shiftable automatic RWD
5-speed shiftable automatic RWD
5-speed shiftable automatic RWD
6-speed manual RWD
2003 Infiniti G 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 G's real-world MPG based on how and where you drive a car.