The Porsche Cayenne is a large SUV (sports utility vehicle) from German car manufacturer, Porsche. It is available with a choice of petrol engines and has five seats, five doors and four-wheel drive. The Cayenne is available with both manual and automatic (tiptronic) gearboxes. Its four-wheel system can send 100 per cent of the engines power, in any mix, between the front and rear axles. A low-range gearbox is also standard.