Even crazier is the turbo V-8 offered in the RS 6 Avant ... The five-seat Audi A6 is a mid-size luxury sedan that bridges the gap between the smaller A4 and full-size A8. Engines range from ...

Exactly how Audi would apply the Sportback name varied, though: the A7 was similar in concept to the A5 Sportback, with its coupe-like roof over a four-door body, whereas the A3 Sportback is a vaguely ...