Possibly influenced by the success of BMW’s twin-turbo diesel engines, Audi has released its most potent V6 TDI ever. It will first be seen in the A6 and A7 models and boasts 313hp from 3900-4500rpm ...

The A6 sedan, Avant and Allroad and the A7 Sportback all benefit from the new twin-turbocharged 3.0-litre engine, with European sales starting this month. Producing 230kW of power (3900-4500rpm) and ...

Audi's first A6 Allroad was born in 2000 into a very different world to that which greets its third-generation successor. Audi has been making cars with four-wheel drive ever since it introduced the ...

German tuning firm MTM has recently turned its attention to the 3.0-litre V6 BiTurbo diesel engine in the A6. The company has re-mapped the ECU to produce 376bhp and 575 lb ft, up from the standard ...

The A6 BiTDI S line has a clumsy name but makes a great deal of sense. It mixes class-leading quality with style and practicality, while still being a seriously fast saloon. It’s quicker than any ...