The 911 GT3 RS, one of Porsche's most popular, coveted and successful track-inspired production cars, has been given a final, thrilling injection of thoroughbred motorsport technology resulting in the 2011 Porsche 911 GT3 RS 4.0.
The motorsport-derived 4.0-liter engine, already the highest displacement 911 engine ever, also features the highest per-liter output -- 125 horsepower (hp) per liter -- from a naturally aspirated Porsche flat-six engine.
The engine uses forged pistons, the connecting rods are fashioned from titanium, and the crankshaft has been lifted unchanged from the 911 GT3 RSR race car.
It achieves its maximum power of 500 hp at 8,250 rpm. Maximum torque of 339 ft/lbs is reached at 5,750 rpm.
the two-SEATer's ready-for-action excess weight is just 2,998 lbs (one,360 kg) having a complete5.99 lbs/hp (368 hp/tonne).
With a manufacturer's suggested retail price starting at $185,000 (excluding destination), the new
Porsche 911 GT3 RS 4.0 goes on sale in the United States in late 2011.
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