40 years, 40 figures, 40 images: fascinating facts and tales about Audi’s quattro technology

3.1 seconds is how long it takes the Sport quattro S1 with the medium manual transmission ratio to accelerate from 0 to 100 km/h (62.1 mph). The rally car that Audi used for the first time in 1985 produced 350 kW (476 PS) with its five-cylinder turbo engine and weighed only 1,090 kilograms (2403.0 lb).