Few race cars are as iconic – and pretty much none as successful – as this Porsche model. This is the story of how Porsche ...

Unthinkable to all except Porsche ... place with fewer than 30 minutes remaining. So second it would be. Or would it? With under 20 minutes to go, the leading 917 suffered another hub failure ...

This S model features 20-inch front and 21-inch rear wheels, shod with 315/30 rubber on ... point as the Porsche – so too the admittedly bigger Bentley Continental GT Speed Cabriolet.