26 Photos Like Mr. Lorio, I gauged this A6 in the context of our long-departed long-term A6, and I was impressed. Audi's new 300-hp, 3.0-liter supercharged V-6 clearly has no problem The new flagship Audi A6 oil-burner has speed to burn, but it lacks the poise and engagement of a sporting great Related Audi A6 2011-2018 reviews. Audi A6 3.0 BiTDi Quattro SE. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. Black 2016 Audi A6 3.0 TDI Premium Plus quattro quattro 8-Speed Automatic with Tiptronic 3.0L V6 TDI Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. 2014 Audi A6 3.0T Quattro Prestige Call 703-361-6882, Clean Carfax, Well Maintained w 30 Service Records p7HKi.