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Specs: 620-horsepower, 3.6-liter six-cylinder
Porsche has a new version of its 911 for the 2011 model year and it's a street-legal rocket. Powered by a 620-horsepower, 3.6-liter, flat-six engine that's paired with a six-speed, manual gearbox, Porsche says the 911 GT2 RS coupe will go from zero to 60 mph in just 3.4 seconds. Its look is similar to the base 911 but has subtle body styling changes, including different front and rear spoilers and numerous matte-black, carbon fiber parts.
The additional carbon fiber components also mean the GT2 RS weighs less, improving its performance and increasing the fuel economy by about 5 percent, though official EPA estimates have not been released. Priced at about $245,000, the Porsche 911 GT2 RS will arrive in the U.S. in October 2010.