Audi A6 Audi A6 The Audi A6 is an executive car made by the German automaker Audi, now in its fifth generation. As the successor to the Audi 100, the A6 is manufactured in Neckarsulm, Germany, and is available in sedan and wagon configurations, the latter marketed by Audi as the "Avant". Audi's internal numbering treats the A6 as a continuation of the Audi 100 lineage, with the initial A6 designated as a member of the C4-series, followed by the C5, C6, C7 and the C8. The related Audi A7 is essentially a sportback (fastback) version of the C7-series and C8-series A6,
Audi Ur-S4 / Ur-S6 the last production Audi fitted with the famous 5-cylinder turbo engine that first came to prominence in Audi Quattro rally cars in the 1980s. There was also a European version called the "S6 Plus", which featured a 4.2 litre V8 engine with first model from quattro GmbH, Audi's equivalent to BMW's M division. Audi Ur-S4 / Ur-S6 Audi Ur-S4, and Audi Ur-S6 were unofficial names for the original models of the Audi S4 and S6 automobiles. The Ur-S4 was produced from 1992 to 1994, while the Ur-S6 was produced from 1995 to 1997. They both featured a 2.2 litre, 5-cylinder