Porsche is presenting the new-generation 911 Turbo S. The new range-topping 911 is the quickest and most powerful 911 Turbo model ever. With 640 hp, it offers an unprecedented combination of power, driving dynamics, and everyday usability. A new 3.8-liter boxer engine with two VTG turbochargers represents the beating heart of the car and puts out 60 hp more than its predecessor. Maximum torque now stands at 590 lb.-ft. - an increase of 37 lb.-ft.... continue