There have been two modern re-imaginings of the original 1984 Audi Ur-Quattro: the Quattro Concept of 2010 (shown above) and the Sport Quattro Concept revealed at the 2013 Frankfurt Motor Show.

I’m in the 40-year-old Audi ... the Quattro seemed every bit as exotic and unattainable as the Boxers and 911 Turbos that I’d read about in Car and Motor Sport. It wasn’t just that ...