ABT Releases Details on 510HP AS5-R Audi S5 Coupe

In spite of the fact that it’s only a matter of time before Audi replaces the current S5 Coupe’s normally aspirated 354HP 4.2-liter V8 with the new S4 / S5 Convertible’s 333HP supercharged 3.0 V6 TFSI, ABT Sportsline has created the AS5-R using the current S5 as a base. Thanks to a series of modifications that include changes to the engine management and the insertion of an ABT Compressor,