[source: ABT Sportsline] The normal version of the Audi RS3 sedan offers a boot capacity of 315 liters and 400 HP (294 kW) – both can be increased significantly: the luggage compartment by folding down the rear seats, the horsepower by paying a visit to ABT Sportsline. At the maximum "escalation stage" ABT Power R, a whopping 500 HP (368 kW) and 570 Nm are ready to launch. With this power, the sporty notchback can reach up to 186 mph and rockets from 0 to 62 mph in 3.7 seconds. ...