For more than twenty years, the A6 has been the brand's mid-size luxury sedan. It competes with the BMW 5-Series and the Mercedes-Benz E-Class. For more on the current model, including prices, options, and specifications, see our review of the 2014 Audi A6 and S6. You can also compare the Audi A6 to its competition. Joined for parts of its life by...
More...