Enjoy more of the Quattro's noise in the clip below, which shows highlights of her winning Pikes Peak run in '85, along with footage of Bobby Unser in '86 and an all-too-brief glimpse of Walter ...

Autograph session with Röhrl at Audi stand at Techno Classica in Essen 25 years after Walter Röhrl drifted up Pikes Peak in the Audi Sport quattro S1 and set a record that still stands today ...