The Audi Q7 3.0 TDI should be out later this year. 233 Horsepower and 369 ft-lbs of torque come from its 3.0L V6 Bluetec Diesel. This engine would go nicely in the A6. In 2009 Audi is also coming out with a A4 TDi. Check out the video below for more about the 2009 Audi Q7.