Assuring new technologies and materials are fit for production means also putting the vehicle's components under severe stresses, exceeding those normally encountered in every day road driving. The Nürburgring Nordschleife is the most demanding track in the world, for man and machine, an...

An amazing battle between Uwe Alzen (Porsche Cayman) and Stefan Kissling (Corvette GT3). Great overtake at the Wippermann to a lapped BMW M3.