918 RSR

  • Porsche 918 RSR race car

    As predicted, Porsche has used this week’s 2011 Detroit Auto Show to unveil a new iteration of its 918 Spyder concept, the 756 horsepower 918 RSR race car. Sharing much in common with last year’s Spyder plug-in hybrid concept, including its advanced mid-engine platform, the new Porsche 918 RSR also features a V-8 hybrid drivetrain but there are a few key differences. Unlike the plug-in hybrid system that featured in the 918 Spyder concept, the Porsche 918 RSR utilizes a setup similar to the one in the 911 GT3 R Hybrid race car where an electro-mechanical flywheel is used to store...

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