VEHICLE ANALYSIS: Audi A6 3.0 TDI quattro The facelifted A6 range is now on sale in Britain. As well as the styling changes, emissions are claimed to be up to 22% lower, Matrix headlights are a new ...

Audi is betting big on diesel. For the 2014 model year the German automaker has introduced diesel engines to the 2014 A6, A7, A8, and Q5, with the ultimate goal of making diesel available across most ...

The six-cylinder turbodiesel in the 2014 Audi A6 TDI is the newest engine to power the A6, and it's putting up a clean fight. Its direct competitors are the diesel-powered BMW 535d xDrive and Mercedes ...

EDITOR WES RAYNAL: I've been loving the Audi A6 for a while. The diesel makes it more appealing to me. Why? To my mind, it has all the diesel benefits like torque (check out that 428 lb-ft!) and fuel ...