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

The resulting Audi quattro – known as the Ur-quattro, ‘Ur’ being ‘original’ in German – was unveiled at the 1980 Geneva motor show, ahead of the model’s debut for the 1981 rally season.

As we know, Audi's four-legged rally monster saw significant success ... The muscular Audi Ur-Quattro measured 173.4 inches long from tip to tail, was underpinned by a 99.4-inch-long wheelbase ...

It was a bespoke rally machine ... for the Ur-Quattro, with Mikkola winning the drivers’ crown. Following the introduction of the short-wheelbase Sport version in ’84, Audi retained its ...