As well as its current RS3 Power R, RS5-R, S5 and SQ5 Abt has brought along its new RS4-R. Now in its fourth generation, the standard Audi RS4 is more potent than ever. Its 2.9-litre twin-turbo V6 ...

Thanks to a new stand-alone ECU from the tuner, ABT Sportsline has taken the Audi RS4’s 2.9-litre twin-turbo V6 from 444bhp to just over 500bhp, with the option to increase it to almost 530bhp ...