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|2010||2010 4dr Sedan 303-hp 3.5L V6 6-sp shiftable automatic AWD||26.8||
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|With the 311-horsepower 3.5L V6 engine, 6-speed shiftable automatic transmission, and all-wheel drive, the 2010 Lexus GS has been averaging 26.8 MPG (miles per gallon).
The 2010 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 suburbs (0 percent), in the city (0 percent), and in heavy traffic (0 percent).
In addition, the average 2010 Lexus GS in this analysis was driven on flat terrain with a medium foot and the AC not used at all.