7.1 secs. Miles per tank. 580 miles. Insurance group get an insurance quote? 35. Annual road tax. £395 - £675 See all rates. Dimensions (mm) Length 4916mm X Width 2012mm. Drivetrain All Wheel Drive Engine Engine Order Code NA Engine Type and Required Fuel Intercooled Supercharger Premium Unleaded V-6 Displacement (liters/cubic inches) 3.0 L/183 Fuel System Overview. The 2018 Audi A6 3.0 TDI QUATTRO S TRONIC is an all wheel drive 4 Door Sedan that was released to the Australian market on 8th January 2017 classified as a 4GL MY18. The Audi A6 is regarded as a large built in Germany with prices from a dealer as a used car starting at $36,700. The Audi A6 is an all wheel drive 4 door with 5 seats Basic Audi A6 C7 3.0 TDI Specs. Now before we cover the problems of this 3.0 TDI engine, let’s first focus on the specs. Since specs are also important when it comes to purchasing your future vehicle. As you probably know, the 3.0 TDI is one engine that has been in production for a really long time. The A6 3.0 TDI’s turbo-diesel has been redesigned from the ground up. Weight drops by 11.5 percent (55 pounds) compared with the engine it replaces . Some 13 pounds were trimmed from the Mlb6U.