Audi is expanding its A6 model series with a classic business Sedan. It sets standards in design and aerodynamics and makes innovation and comfort in the premium full-size class tangible in every detail. Its drag coefficient of 0.23 is the best value for a combustion-engine production model in Audi history. Modern gasoline and diesel engines with MHEV plus mild hybrid technology ensure increased efficiency with improved performance. In combination with sophisticated suspension technologies, the A6... continue