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|2018||2018 4dr Sedan supercharged 340hp 3.0L V6 8-sp shiftable automatic AWD||30||
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|With the supercharged 340hp 3.0L V6 engine, 8-speed shiftable automatic transmission, and all-wheel drive, the 2018 Audi A6 / S6 has been averaging 30 MPG (miles per gallon).
The 2018 Audi A6 / S6s in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 55 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 2018 Audi A6 / S6 in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.