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 its replacement for 2006, called the Audi R10 TDI, was unveiled on 13 December 2005. The R10 TDI employed many new and innovative features, the most notable being the twin-turbocharged direct injection diesel engine. It was first raced in the 2006 12 Hours of Sebring as a race-test in preparation for the 2006 24 Hours of Le Mans, which it later went on to win. Audi had a win in the first diesel sports car at 12 Hours of Sebring (the car was developed with a Diesel engine due to ACO regulations that favor diesel engines). As well as winning