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

In 2007 the Audi R8 high-performance sports car launched on the market in its first generation. Its quattro drive was tailor-made: A cardan shaft ran from the transmission in the rear to an unregulated viscous coupling on the front axle. In its current generation, the R8 uses a controlled multi-plate clutch here.