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|2004||2004 4dr Sedan 255-hp 3.5L V6 4-sp automatic FWD||24.28||
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|With the turbocharged 520hp 3.8L H6 engine, 6-speed manual transmission, and all-wheel drive, the 2004 Infiniti I has been averaging 24.28 MPG (miles per gallon).
The 2004 Infiniti Is in this analysis were driven mostly in the city (about 63.8 percent of the miles driven). The rest of the miles were on the highway at an average speed of 60 miles per hour (27.5 percent), in heavy traffic (8.8 percent), and in the suburbs (0 percent).
In addition, the average 2004 Infiniti I in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.