2008: The sport differential in the Audi S4 - The self-locking center differential in the classic quattro power-train does an excellent job of distributing the power between the axles. To make driving even more dynamic, it needs an additional component that actively splits the torque between the wheels of the rear axle. Audi presented this solution in the new S4 in late 2008 the sport differential.
Source: Audi AG
Excellent !!
lubime10 6 months ago