I’m riding shotgun in an Audi Sport Quattro S1 ... five-cylinder engine develops up to 600hp and blasts this 1,090kg brute to 62mph in 3.1 seconds. The Quattro S1 is an unapologetic and glorious ...

Racing driver Walter Rohrl, Group B monster Audi Sport quattro S1, and the treacherous Pikes Peak Hill Climb are iconic in and of themselves, but when combined, it marks a legendary moment in the ...