That Rally-Inspired All-Wheel Drive System The Porsche 959 was born out of a time when the German marque was beginning to think about pushing the boundaries of the 911 sports car. Specifically ...

GM: Early Porsche 911s took many rally wins thanks to great traction from a drivetrain mounted over the driven rear wheels. R-GT is a 2wd car, so using the best tyres maximises that traction.