The resulting Audi quattro – known as the Ur-quattro, ‘Ur’ being ‘original ... and it would eventually be on sale for 11 years, selling over 11,000 units. The quattro was unique.

and it was all because of Quattro. Every Audi available today owes its life to the Ur-Quattro and the Quattro Sport. The first Audi Quattro rally car (sometimes called Ur Quattro, “Ur” being ...