Derived from the current RS 3 Sportback, the chassis of the Audi A3 concept is fully capable of handling the power from the drive system at all times. The four-seater masters any type of curve with speed, stability and composure, turning spontaneously into corners going in and providing superior traction going out. Its self-steering response remains essentially neutral all the way up to the lofty handling limits.
The front suspension – a McPherson construction with a separate axle support – has a track measuring a full 1,572 millimeters (61.89 in). To a large extent, its components are made of aluminum. The rack-and-pinion steering is extremely efficient because its electromechanical drive system requires no energy when driving straight ahead.
The four-link rear suspension with its 1,542-millimeter (60.71-in) track is likewise fixed to a subframe. Its control arms made of high-strength steel enable the suspension to absorb longitudinal and lateral forces separately. The shock absorbers and coil springs are mounted separately from each other.
The Audi drive select dynamic handling system gives the driver five modes from which to select the engine characteristics, power steering and the seven-speed S tronic. The modes are comfort, auto, dynamic, individual and efficiency, the last of which is designed for maximum economy.
The imposing light-alloy rims measure 20 inches in diameter. In five twin-spoke design, they are made of CFRP and aluminum. The slender, recessed rims optimize ventilation. The tire format is 245/30 at the front and rear. The front brake disks are gripped by four-piston calipers. The ESP stabilization system has a Sport mode and can be completely deactivated. The parking brake is actuated electromechanically.