The 2015 Porsche Cayenne is a 4-door, 5-seat Sport Utility, available in 3 trims, ranging from the Diesel to the Turbo. Upon introduction, the $61,700 Diesel is equipped with a standard 3.0L, 6-cylinder, engine that achieves 20-mpg in the city and 29-mpg on the highway. An Automatic transmission is standard. The $113,600 Turbo is equipped with a standard 4.8L, 8-cylinder, engine that achieves 14-mpg in the city and 21-mpg on the highway. An Automatic transmission is standard.