The engine may come from the 500-horsepower Porsche 911 GT3 RS.
Porsche 911 Gt3 Rs
Axis of Oversteer has three pages of what's purported to be the spec sheet for the Porsche 911 GT3 RS that notes key differences with the 911 GT3. Prime among them is its output, pegged at exactly 500 horsepower and 339 pound-feet of torque, just 25 hp and 14 lb-ft over the GT3.
The engine in the coming Porsche 911 GT3 RS will be the heart of the turbocharged engines going into the 2016 911 range coming later this year. It will remain naturally-aspirated in the GT3 models, but get boosted help for every model below those. Elsewhere, the next Boxster and Cayman will get turbocharged four-cylinders, and a V8-powered mid-range Porsche supercar is still in the works.
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