Audi RS

RS as in Rennsport: Audi’s most evocative abbreviation represents special cars, fantastic drivetrain solutions and abundant traction. Born of a partnership with Porsche, these two letters evolved into a constant in most Audi model lines. RS as in Rennsport: Audi’s most evocative abbreviation represents special cars, fantastic drivetrain solutions and abundant traction. Born of a partnership with Porsche, these two letters evolved into a constant in most Audi model lines.