Both versions are equipped with the same engine, the reengineered 2.0 TFSI with an output of 188 kW. With 350 Nm of torque available constantly from 2,500 to 5,000 rpm, the direct-injection, two-litre turbo catapults the three-door model from 0 to 100 km/h in 5.7 seconds and 5.8 seconds for the Sportback version. Top speed is limited electronically to 250 km/h and yet the S3's fuel consumption is astonishingly low, at an average of 8.5 litres per 100 kms.

A six-speed manual transmission handles the business of getting the power from the engine to the standard quattro driveline. The 18-inch wheels provide a firm grip with the road. The sport suspension holds the body 25 millimetres lower and integrates lightweight aluminium components. Black brake calipers act on 17-inch disc brakes. Audi's compact premium sports model reacts spontaneously to steering movements and its handling remains stable, precise and almost neutral right up to its physical limits. When coming out of a bend it digs its 'claws' into the tarmac, enabling the driver to start accelerating again at the earliest possible moment.