2011 Detroit Auto Show: 918 RSR concept of Porsche

Today, hybrid race car is the Porsche 918 RSR concept was officially launched press in Cobo Hall, Detroit, Michigan, USA.

Here are the pictures of this model posted by Motor Authority, 918 RSR is even far more attractive than the pictures in the studio. It may be the experimental models before Porsche launched the production version of the 918 Spyder concept.