The engine has a Euro 6 standard. Fuel tank capacity is 75 liters. Consumption in city is 7,3 lt/100km, consumption in highway is 5,1 lt/100km and combined fuel consumption is 5,9 lt/100km according to official factory data. Estimated A6 Limousine 3.0 TDI V6 clean diesel real World MPG/consumption is 9,3 lt/100km. Key Specifications of Audi A6 2011-2015 3.0 TDI Quattro Premium Plus. ARAI Mileage. 14.57 kmpl. City Mileage. 11.24 kmpl. Fuel Type. Diesel. Engine Displacement (cc) 2967. All specifications, colors, performance and fuel economy data of 2013 Audi A6 3.0 TFSI quattro, including acceleration times 0-60 mph, 0-100 km/h, quarter mile, half mile time, top speed, mileage and fuel economy, dimensions, safety, comfort, and more. New twin-turbo diesel engine gives the A6 Avant massive real world pace with decent economy: an appealing fast estate Audi A6 Avant 3.0 TDI Biturbo S-Line. Price: £46,000; Top speed: 155mph What is the fuel economy, Audi A6 Allroad quattro (4G, C7) 3.0 BiTurbo V6 (313 Hp) quattro tiptronic? 6.7 l/100 km 35.11 US mpg 42.16 UK mpg 14.93 km/l: How ECO is the car, Audi A6 3.0 BiTurbo V6 (313 Hp) quattro tiptronic? 176 g/km CO 2 Euro 5: How fast is the car, 2012 A6 Allroad quattro (4G, C7) 3.0 BiTurbo V6 (313 Hp) quattro tiptronic? The Audi A6 is an executive car made by the German company Audi since 1994. Fuel consumption will be 2.2 L/100 km 2013–2018-- A6 2.0 TDI: yHV9L3.