All these measures lend the Audi S4 and the S4 Avant the driving movement of a
sports car - their responses are plane, nearly reflex-like; manipulation exactness knows no cooperation. The steering guidance the driver with the road to supply the reactive, well-differentiated pointer.
Audi's drive chooses with the sport different can be merged with electronic damping control. The gas-filled hydraulic shock absorbers have an extra valve with an endless opening action. The control unit calculates the desirable damping force at a cycle frequency of 1,000 per second.
