Audi have confirmed that the V6 TDI engine will be made available within the new A6 Saloon, A6 Avant and the A7 Sportback. The highly anticipated Audi A6 allroad Quattro is also set to feature the brand new engine. This car is due to be released next month. Cost The Audi A6 Saloon 3.0 BiTDI(…)