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|2013||2013 4dr Sedan 306-hp 3.5L V6 6-sp shiftable automatic RWD||29.1||
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|With the 311-horsepower 3.5L V6 engine, 8-speed shiftable automatic transmission, and rear-wheel drive, the 2013 Lexus GS has been averaging 29.1 MPG (miles per gallon).
The 2013 Lexus GSs in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 90 percent of the miles driven). The rest of the miles were in the city (5 percent), in heavy traffic (5 percent), and in the suburbs (0 percent).
In addition, the average 2013 Lexus GS in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.