The Audi A4 is a compact executive car produced by German automobile manufacturer Audi, a subsidiary of the Volkswagen Group. The A4, now in its fourth generation, has been produced since late 1994, and is based on the Volkswagen Group B platform as a successor to the Audi A80. Audi uses an internal numbering system which identifies the A4 as a continuation of the Audi 80 line, with the initial A4 designated as the B5-series, followed by the B6, B7, and the current B8. The A4 is known for reliability issues, which is where can help. can help you to find new, used and reconditioned parts for your Audi A4 from breakers across the country. Our nationwide network of independent breakers are on hand to help you find the part you need to get your A4 back on the road, and all you have to do is use our simple Find a Part box. To locate parts for your Audi A4 today start by choosing one of the part categories below.