GT3 RS houses the most powerful 911 engine. The 3,996 cc 4.0-liter flat-six machine is capable of generating maximum power of 513 bhp at 8,250 rpm, which is 20 bhp more than the existing GT3 model, and peak torque of 470 Nm at 6,000 rpm.
First Glimpse of Porsche 911 GT3 RS
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