Designed to compete in the World Endurance Championship, the RSR is based on the seventh-generation 911 and features a 4.0-liter six-cylinder boxer engine with 460 HP (338 kW).

Following a preview late last month, Porsche has officially unveiled the 2014 911 RSR.

Designed to compete in the World Endurance Championship, the RSR is based on the seventh-generation 911 and features a variety of carbon fiber components including the doors, dashboard, center console and rear wing. Designers also used polycarbonate windows and a lithium-ion battery to keep the model as light as possible.

The 460 HP (338 kW) 4.0-liter six-cylinder boxer engine carries over but it is connected to a new six-speed sequential transmission that is operated via steering wheel-mounted paddle shifters.

Porsche AG Team Manthey will field two 911 RSRs this year and they will be driven by Marc Lieb, Richard Lietz, Romain Dumas, Joerg Bergmeister, Patrick Pilet and Timo Bernhard.

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