The 2021 Porsche 911 Turbo S uses a 3.8-liter twin-turbo flat-six engine churning out 641 hp and 590 lb-ft (830 Nm) of torque and speaking with Road & Track, Porsche 911 chief engineer Dr Frank-Steffen Walliser revealed just why the car has so much power.⦠[+1623 chars]Source
