Disclosure: This post may contain affiliate links, meaning when you click the links and make a purchase, we receive a commission. The Audi A6 C6 was first introduced in 2004 and is the A6's third generation since it was introduced. It was built on the Volkswagen Group's C6 platform. The A6 C6 had a facelift in 2008 which made the exterior look much more modern and featured … [Read more...] about Audi A6 C6 Ultimate Guide