As well as acting as an umbrella firm for its four constituent brands (Audi, Horch, DKW, Wanderer), Auto Union is widely known for its racing team (Auto Union Rennabteilung, based at Horch works in Zwickau/Saxony).
Ademais de actuar como empresa paraugas para as súas catro marcas constituíntes (Audi, Horch, DKW, Wanderer), Auto Union é amplamente coñecida polo seu equipo de carreiras (Auto Union Rennabteilung, baseado en Horch traballaba en Zwickau/Saxony).