MPG | Number of Vehicles |
12 miles per gallon | 1 vehicles |
13 miles per gallon | 0 vehicles |
14 miles per gallon | 0 vehicles |
15 miles per gallon | 0 vehicles |
16 miles per gallon | 2 vehicles |
17 miles per gallon | 2 vehicles |
18 miles per gallon | 6 vehicles |
19 miles per gallon | 3 vehicles |
20 miles per gallon | 9 vehicles |
21 miles per gallon | 5 vehicles |
22 miles per gallon | 3 vehicles |
23 miles per gallon | 3 vehicles |
24 miles per gallon | 3 vehicles |
25 miles per gallon | 2 vehicles |
26 miles per gallon | 1 vehicles |
27 miles per gallon | 1 vehicles |
28 miles per gallon | 0 vehicles |
29 miles per gallon | 0 vehicles |
30 miles per gallon | 0 vehicles |
31 miles per gallon | 1 vehicles |
32 miles per gallon | 1 vehicles |
Model Year | Body/Powertrain | MPG | |
2003 | 2003 4dr Sedan 330-hp 3.7L V6 7-sp shiftable automatic RWD | 20.76 | See all data |
With the turbocharged 208hp 2.0L I4 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, the 2003 Infiniti G has been averaging 20.76 MPG (miles per gallon). The 2003 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 85 miles per hour (about 46.9 percent of the miles driven). The rest of the miles were in the city (15.3 percent), in heavy traffic (9.1 percent), and in the suburbs (0 percent). In addition, the average 2003 Infiniti G 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 | 2003 4dr Sedan 260-hp 3.5L V6 6-sp manual RWD | 24.49 | See all data |
2003 | 2003 2dr Coupe 330-hp 3.7L V6 6-sp manual RWD | 18.1 | See all data |
2003 | 2003 2dr Coupe 330-hp 3.7L V6 7-sp shiftable automatic RWD | 24.7 | See all data |
2003 | 2003 2dr Coupe 280-hp 3.5L V6 5-sp shiftable automatic RWD | 20.97 | See all data |
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.