source: ABT Sportsline ABT Sportsline has hidden an entire subcompact car in the power boost for the current Audi RS5-R. “On the ABT RS5-R, we get an additional 80 HP and 90 Nm from the 2.9 liter biturbo V6, which has a very similar design to the engine in the first Audi RS4,” CEO Hans-Jürgen Abt proudly explains. The vehicle, which is limited to 50 units, will be presented live for the first time at the Geneva International Motor Show (March 8 to 18, 2018). Thanks to ABT...