The 1986 Audi Sport quattro S1 E2 Pikes Peak occupies a unique place in Audi competition history. Driven by Bobby Unser to victory at the 1986 Pikes Peak International Hill Climb, it reclaimed the course record from Audi's own Michèle Mouton and delivered Unser's record-setting tenth overall victory on the mountain.
The 1986 Audi 5000 CS quattro “Talladega” was a highly modified prototype performance sedan built by Audi to set closed-circuit speed records for all-wheel-drive production cars.
The 1985 Audi Sport quattro S1 Pikes Peak is among the most significant competition cars in Audi history. Driven by Michèle Mouton to victory at the 1985 Pikes Peak International Hill Climb, it became the first Audi to win the event outright and established Mouton as the first and, to date, only woman to claim overall victory on America's Mountain.
Following success at Pike's Peak with the quattro driven by John Buffum, Audi Sport brought its new Group B-homologated Sport quattro S1 to contest the 1984 Pike's Peak International Hillclimb with French rally driver Michèle Mouton.