A6 (C4) [1994 - 1997]

This car started the 'A' designation of Audi cars when it debuted in 1994.
Effectively a major face lift of the previous Audi 100, the A6 also debuted the 1.8 20v engine that became prevalent in Audis and Volkswagens for some years and was available in both saloon and Avant body types.