The Audi RS 6 is a high-performance variant of the Audi A6 range, produced by the high-performance subsidiary company Audi Sport GmbH, for its parent company Audi AG, a subsidiary of the Volkswagen Gr
Audi Sport GmbH, formerly known as quattro GmbH, is the high-performance car manufacturing subsidiary of Audi, itself a subsidiary of the greater Volkswagen Group.
"S line" badge in front grille
Audi A4 B7 DTM Edition, one of the cars produced by quattro GmbH