Quick spin: Porsche Cayenne Turbo S
Drive
The vitals: 4.8-litre twin-turbo V8; 405kW/750Nm; 8-spd automatic; 4WD; 11.5L/100km and 270g/km CO2. What is it? It is the range-topper of Porsche's Cayenne family and the fastest SUV on the planet.