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|2008||2008 2dr Convertible turbocharged 445hp 4.4L V8 8-sp shiftable automatic RWD||18.3||
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|With the turbocharged 445hp 4.4L V8 engine, 8-speed shiftable automatic transmission, and rear-wheel drive, the 2008 BMW 6-Series has been averaging 18.3 MPG (miles per gallon).
The 2008 BMW 6-Series in this analysis were driven mostly in heavy traffic (about 45 percent of the miles driven). The rest of the miles were on the highway at an average speed of 60 miles per hour (27 percent), in the city (9 percent), and in the suburbs (0 percent).
In addition, the average 2008 BMW 6-Series in this analysis was driven on flat terrain with a light foot and the AC on most or all of the time.