The Audi RS4 is a pretty badass car any way you look at it, but put it next to the A4 DTM and it looks remarkably pedestrian. With torquey turbodiesel versions of the R8 supercar, TT range and Q7 sport-ute all making their debuts at the 2008 Geneva Motor Show, Ingolstadt chose the most extreme racing version of its A4 to highlight at its press conference.

Unveiled by Dr. Martin Mühlmeier, Head of Audi Sport Technology; Audi Motorsport chief Dr. Wolfgang Ullrich; and reigning champion driver Mattias Ekström; the "project R14" A4 DTM represents over a year of development. The racing formula governing the DTM German touring car championship precludes Audi from showcasing any of its trademark technologies – like FSI direct-injection, TDI diesels or quattro all-wheel-drive – but that didn't stop Audi's racing engineers from working their magic, focusing on the car's aerodynamics. That much became immediately evident as soon as the veil was lifted off the new racer, decked out in more wings and fins than the San Diego Zoo and Sea World combined.

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