The new Cayenne Turbo GT has equipped the most powerful V8 engine currently offered by Porsche. The 8-speed Tiptronic S automatic transmission has been modified to offer quicker shift times. Its 4.0-liter twin-turbo V8 engine develops 631bhp
A new, and currently unnamed, addition to the Porsche Cayenne family heaved the Nurburgring SUV lap record from the clutches of the Audi RS Q8 last month.