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|2008||2008 4dr SUV 385-hp 4.8L V8 6-sp shiftable automatic AWD w/low range||18||
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|With the turbocharged 420hp 3.6L V6 engine, 8-speed shiftable automatic transmission, and all-wheel drive, the 2008 Porsche Cayenne has been averaging 18 MPG (miles per gallon).
The 2008 Porsche Cayennes in this analysis were driven mostly on the highway at an average speed of 83 miles per hour (about 38.8 percent of the miles driven). The rest of the miles were in the city (21.3 percent), in heavy traffic (7.5 percent), and in the suburbs (0 percent).
In addition, the average 2008 Porsche Cayenne in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.