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|2008||2008 2dr Coupe 385-hp 3.8L H6 7-sp automated manual RWD||20||
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|With the 400-horsepower 3.8L H6 engine, 7-speed automated manual transmission, and rear-wheel drive, the 2008 Porsche 911 has been averaging 20 MPG (miles per gallon).
The 2008 Porsche 911s in this analysis were driven mostly in the city (about 50 percent of the miles driven). The rest of the miles were on the highway at an average speed of 75 miles per hour (40 percent), in heavy traffic (10 percent), and in the suburbs (0 percent).
In addition, the average 2008 Porsche 911 in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.