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AUTOS: Porsche GT3 RS Boosts Performance
Latest 911 designed to homologate the racing version of the 911 GT3; horsepower raised to 450.
SPEED Staff  |  Posted August 19, 2009   Atlanta, GA
The RS version of 911 GT3 raises the performance level and includes upgraded body and suspension components. (Photo: Porsche)
With more engine power, lower weight and shorter transmission ratios than previous GT3 models, as well as upgraded body and suspension components, the new Porsche 911 GT3 RS sets the foundation for homologating the race version of the 911 GT3.

Ready for road or track, the GT3 RS will be introduced at the Frankfurt Motor Show, Sept. 17-27. It goes on sale in the United States in early spring 2010, priced at $132,800.

The heart of the new GT3 RS is the power unit. Like the engine featured in the 911 GT3, the naturally aspirated RS engine displaces 3.8 liters and delivers 450 horsepower, 15 more horsepower than its 911 GT3 counterpart. It also revs more quickly to its 8,500 rpm redline.

But even with a specific output of more than 118 horsepower per liter from its six-cylinder boxer engine, the new GT3 RS remains fully suitable for everyday use.

The RS comes exclusively with a six-speed manual gearbox optimized for short gearshift travel, low weight and high efficiency. To enhance the level of performance throughout the entire range of engine and road speed, the transmission comes with shorter ratios than found in the 911 GT3, deliberately conceding an even higher potential top track speed.

Dynamic engine mounts are standard and serve to improve the car’s handling. Depending on driving conditions, the mounts change in their stiffness and damping effect, improving the connection between the engine and the body under lively conditions while allowing more comfortable conditions during everyday street use.

Porsche introduces a new option in 2010 for the GT3 RS: a lithium-ion battery. Replacing the conventional lead-acid battery, it reduces weight by more than 22 pounds and is mainly intended for the track.

The RS comes with a purpose-built and specially set up PASM suspension, a wider front and rear track and corresponding bodywork.
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