| 1 | 0 | 3 | 4 | 3 | 4 |
Infiniti FX Fuel Economy Data
4dr SUV 315-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 | light | 3 | 6 | 49 | 43 | 80 | 17.100 |
| flat | lead | light | 15 | 5 | 60 | 20 | 70 | 14.000 |
| flat | med | light | 4 | 30 | 33 | 33 | 70 | 17.200 |
What Our Members Are Saying about the Real Gas Mileage of the 2003 Infiniti FX
5-speed shiftable automatic AWD
2003 Infiniti FX 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 FX's real-world MPG based on how and where you drive a car.