Walter Röhrl says Nürburgring needed to build perfect car

Walter Rohrl driving the Porsche 918 Spyder

In this short video from Porsche we see Walter Röhrl explain why the Nürburgring is great for developing cars and how good he reckons the 918 Spyder is. He should know, he’s managed to get it around the Nordschleife in 7 minutes and 14 seconds.