Full test of the 2014 Audi A6 3.0 TDI Quattro. Read more and see photos at Car and Driver. direct fuel injection. Displacement: 181 cu in, 2967 cc Power: 240 hp @ 3500 rpm Torque: 428 lb-ft Audi A6 Station wagon (estate) 2006, 2007, 2008; What is the body type, Audi A6 Avant (4F,C6)? Station wagon (estate), 5 Doors, 5 Seats: What is the fuel economy, Audi A6 Avant (4F,C6) 3.0 TDI V6 (233 Hp) quattro Tiptronic? 8.4 l/100 km 28 US mpg 33.63 UK mpg 11.9 km/l: How ECO is the car, Audi A6 3.0 TDI V6 (233 Hp) quattro Tiptronic? 226 g/km ^{The 2.7 offers 178bhp and 280lb ft to the 3.0’s 222bhp and 332lb ft, and hits 62mph 0.8sec slower at 8.1sec, but counters with average fuel consumption of 41.5mpg (34.0) and CO2 emissions of} Fuel Consumption - Economy Combined: 28 MPG 8.4 L/100 km 34 MPG UK: Audi A6 (C6) 3.0 TDI V6 Quattro (2006) vs Audi A8 (D3) 3.0 TDI V6 Quattro (2003) vs Volkswagen .