GROUP B RALLY
1985 Audi Sport quattro S1
Röhrl’s Pikes Peak car
The S1 evolution debuted at the 1985 Argentina Rally — the third Group B specification of the original quattro. Engine: 2.1-litre inline-five with a single turbocharger, 500-plus hp dependent on boost setting (Audi never published a definitive figure). Drive went to all four wheels through a five-speed sequential gearbox.
Walter Röhrl took it to a 10:47.85 Pikes Peak run in 1987 — the first sub-eleven-minute climb of the unpaved hillclimb course, captured on Audi’s in-car film. Stig Blomqvist and Hannu Mikkola also drove the car in WRC events. After Group B’s mid-1986 ban, the chassis was retired.
- Engine
- 2.1L turbocharged I5, 500+ hp
- Drivetrain
- Permanent AWD
- Class
- Group B (1985–86)
- Notable result
- Röhrl, Pikes Peak 1987 — 10:47.85





