Audi introduces the A3 Clubsport Quattro concept.
Read This Article
Audi announces pricing on the new 2015 Audi A3.
Much as BMW has its M division and Mercedes-Benz can turn to AMG when they want to make fast cars, Audi relies on its own in-house tuner, Quattro GmbH.
The 2013 Audi S4 presents buyers with a unique proposition: a performance sports sedan with more performance than a BMW 3 Series or Mercedes-Benz C-Class.