The Audi Sport Quattro S1 was a variant of the Quattro developed for homologation for Group B rallying in 1984, and sold as a production car in limited numbers. [4] It featured an all aluminium 2,133 cc (2.1 L) Inline-five engine with a bore x stroke of 79.3 mm × 86.4 mm (3.1 in × 3.4 in) DOHC 4 valves per cylinder, Bosch LH Jetronic fuel ...

The 1985 Audi Sport Quattro S1 is the most powerful rally car ever built. Its design and performance history gives it a rich legacy that still influences today.

Jul 20, 2022 · The Audi Sport Quattro S1 is one of the wildest rally cars ever created, yet not enough gearheads give it the props it deserves.

After this was completed, Audi debuted the Sport Quattro S1 at the 1000 Lakes Rally in August 1985. The most notable changes could easily be spotted at a cursory glance, thanks to some very extroverted modifications which included huge overhangs and a massive rear wing.

Twenty-three years after the cancellation of Group B, the Sport Quattro S1 E2 is still widely regarded as the most powerful rally car ever fielded in international competition with the final factory machines of 1986 rated at 441 kW (600 PS; 591 bhp).

Nov 9, 2023 · Technical specifications for the 1985-1986 facelift Audi Sport quattro S1 E2 2 door coupé. Find & compare performance, practicality, chassis, brakes, top speed, acceleration, suspension, engine, weights, luggage & more.

Nov 23, 2022 · The Audi Sport Quattro S1 was, and is, a force of nature in WRC. It’s not an evolution of the Ur-Quattro but a purpose-built supercar intended to dominate Group B rallying. Introduced for the 1984 season, the S1 was smaller with wider wheel arches to accommodate 9-inch wide wheels.

Sep 22, 2014 · Full review of the superhot, 231-hp Audi S1 subcompact. Read more and see photos at Car and Driver.