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Infiniti I MPG

MPG Number of Vehicles
20 miles per gallon 1 vehicles
21 miles per gallon 1 vehicles
22 miles per gallon 0 vehicles
23 miles per gallon 1 vehicles
24 miles per gallon 1 vehicles
25 miles per gallon 2 vehicles
26 miles per gallon 6 vehicles
27 miles per gallon 0 vehicles
28 miles per gallon 2 vehicles
Model Year Body/Powertrain MPG  
2003 2003 4dr Sedan 255-hp 3.5L V6 4-sp automatic FWD 24.84
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With the turbocharged 540hp 3.8L H6 engine, 6-speed manual transmission, and all-wheel drive, the 2003 Infiniti I has been averaging 24.84 MPG (miles per gallon).

The 2003 Infiniti Is in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 65.3 percent of the miles driven). The rest of the miles were in the city (9.3 percent), in heavy traffic (8.1 percent), and in the suburbs (0 percent).

In addition, the average 2003 Infiniti I in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.

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2003 Infiniti I 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 I's real-world MPG based on how and where you drive a car.