The Audi A6 3.0t Quattro is added to Audi’s sedan lineup this year, and the vehicle is placed between 3.2 FSI front-wheel drive and the 4.2 FSI V8-powered quattro models; as everyone pretty well knows that the “Quattro” is one of the performance-oriented Audi’s full-time AWD system. The numeric designator equipped in the vehicle indicates [...]