That's when the legendary Walter Röhrl drove the 600-horsepower Audi Sport Quattro S1 up the ... Röhrl and his mighty S1 back to Pikes Peak for a high-speed trip up memory lane.

An iconic Audi that set multiple records has surfaced for sale for the first time since leaving the automaker's hands.

Inspired, perhaps, by the freshly forged relationship between he two companies, Audi has decided to examine how much the two share in their pursuit of glory at Pikes Peak by taking it on in tandem.