Cayenne Turbo GT is based on the Cayenne Coupe Turbo. Turbo GT is powered by a 4.0-litre Biturbo V8 engine, linked with an eight-speed Tiptronic S automatic transmission which generates 631 horsepowers and 849 Nm of peak torque. It is capable to sprint from 0 to 100 kmph in 3.3 seconds and reach a top speed of 300 kmph.