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|2005||2005 4dr SUV 385-hp 4.8L V8 6-sp shiftable automatic AWD w/low range||17.5||
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|With the turbocharged 420hp 3.6L V6 engine, 8-speed shiftable automatic transmission, and all-wheel drive, the 2005 Porsche Cayenne has been averaging 17.5 MPG (miles per gallon).
The 2005 Porsche Cayennes in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 75 percent of the miles driven). The rest of the miles were in the city (25 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).
In addition, the average 2005 Porsche Cayenne in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.