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|2009||2009 4dr SUV 303-hp 3.5L V6 7-sp shiftable automatic RWD||19.87||
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|With the 325-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, the 2009 Infiniti FX has been averaging 19.87 MPG (miles per gallon).
The 2009 Infiniti FXs in this analysis were driven mostly in the city (about 45 percent of the miles driven). The rest of the miles were on the highway at an average speed of 67 miles per hour (41.7 percent), in heavy traffic (10 percent), and in the suburbs (0 percent).
In addition, the average 2009 Infiniti FX in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.