For Abt head Hans-Jürgen Abt, the original Quattro was an icon. "When I took over the tuning department at ABT from my father ...

In the 2000s and 2010s, Audi owned sports car racing. The brand won the 24 Hours of Le Mans 13 times in 15 years, enough to make the brand the second-winningest marque in the history of the race.