Audi RS 6 GTO Concept Might Be the Best Tribute for Brand's 40 Years of Quattro

Just about every Audi aficionado - and much of the rest of the world - knows very well the exact meaning of “quattro” (four in Italian). It’s because the Ingolstadt-based automaker had no less than four decades to get the moniker into popular automotive culture as its own way of saying “four-wheel drive.” Interestingly, the Audi Neckarsulm trainees are honoring the AWD system with a differ...