Porsche has pulled the sheets off the most powerful 911 ever – the eagerly anticipated 911 GT2 RS. It makes its full debut at the Goodwood celebration of Speed, after a short cameo earlier this month at the E3 gaming expo in Los Angeles.
The headline figure is the 911 GT2 RS’s enormous power output – Porsche declares that the 3.8-litre biturbo flat-six in the back creates 690bhp. It ups the ante significantly on the last generation 911 GT2 RS – previously Porsche’s most potent 911 – by making 79bhp more with its larger engine, borrowed from the 911 Turbo S and tweaked.
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690bhp as well as 750Nm of torque is accomplished with a customized turbocharging system, pushing an increased volume of air into the combustion chambers. The turbos are aided by a new as well as extra water-cooling system which sprays water into the charge-air cooler – this ensures air entering the combustion chambers is at an ideal temperature, even when the cars and truck is being driven hard.
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Power is sent to the rear-wheels via a seven-speed PDK gearbox, tuned particularly to satisfy the significant traction demands put on the rear wheels. The bundle is rounded off with a lightweight titanium exhaust system, which Porsche states delivers a raucous soundtrack while saving 7kg compared to the 911 Turbo’s system.