All new 2018 Porsche 911 Turbo S Exclusive Series- Interior Exterior and Drive. Let us know what you think below. Enjoyed! The 3.8-liter twin-turbo flat-six receives a power kit, boosting power from 580 hp to 607 hp, with a peak torque output of 553 lb-ft. Power is sent to all four wheels through Porsche’s wonderful PDK seven-speed dual-clutch automatic, allowing a stupendous 0-60 mph sprint of just 2.8 seconds and a top speed of 205 mph. You’ll be inching ahead of “regular” Turbo S cars as well, with a 0-124 mph time of 9.6 seconds, 0.3 seconds faster compared to the normal S.