For the 2017 model year, both the 911 Turbo and 911 Turbo S stick with twin-turbocharged 3.8-liter flat-six engines but now output registers at 540 horsepower and 580 hp respectively. That represents a 20-hp bump in power for each compared to the previous model. Torque, meanwhile, registers at 523 pound-feet in the Turbo and 553 lb-ft in the Turbo S (with overboost).
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Modifications made to the engine include new intake ports in the cylinder heads, new fuel injectors, and higher fuel pressure. There’s also a new dynamic boost function that improves throttle response by maintaining the boost pressure even when the driver lifts off the gas pedal slightly. This ensures that the engine is always on the boil during spirited driving.
With a seven-speed dual-clutch transmission, all-wheel drive and the Sport Chrono Package all as standard, the Turbo S will now sprint to 60 mph in just 2.8 seconds, 0.1 of a second quicker than before. The Turbo will achieve the same feat in 2.9 seconds. The respective top speeds are 205 mph and 198 mph.
Beyond extra power, the Turbo S provides a few extra benefits over the Turbo. Items include an anti-roll system, carbon-ceramic brakes, two-tone leather seats, 18-way adjustable seats, carbon fiber interior trim, LED headlights and unique side mirror caps. New options for both the Turbo and Turbo S include lane change assist and a front axle lift system.
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In the cabin, the cars get the sports steering wheel from the 918 Spyder supercar. This features a rotary dial that allows you to switch between the Normal, Sport, Sport Plus, or Individual modes for controlling dynamic settings such as the shift times, throttle response and suspension damping. A black button in the center of the dial turns everything to the max.
Source: http://www.motorauthority.com
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