A roads - rural town on dynamic & economy - 30.74 mpg. A roads - rural town on dynamic & economy - 32.36 mpg. Also the long term DIS seems to be pretty accurate within 2-3 mpg. To compare to other diesel cars owned (BMW/Ford) all with around the same or more HP have produced 40mpg+ consistantly. 23. First Name: Steve. Location: Lancashire. Audi Model:: A7 V6 TDI Quattro S Line. Audi Year: 2011. Posted November 16, 2016. Im thinking of using a local engineer that works with the remap developed by Leeds based Elite. I've done many cars in the past and never had one problem, they always improve the enjoyment. What is the body type, Audi A6 Avant (4G, C7 facelift 2016)? Station wagon (estate), 5 Doors, 5 Seats What is the fuel economy, Audi A6 Avant (4G, C7 facelift 2016) 2.0 TFSI (252 Hp) quattro S tronic? What is the fuel economy, Audi A6 Sedan (4G, C7) 2.0 TDI (177 Hp) Multitronic? 5 l/100 km 47.04 US mpg 56.5 UK mpg 20 km/l: Annual Fuel Cost* $2,750: Cost to Drive 25 Miles: $4.58: Cost to Fill the Tank: $85: Tank Size: 19.3 gallons *Based on 45% highway, 55% city driving, 15,000 annual miles and current fuel prices. Personalize. MSRP and tank size data provided by Edmunds.com, Inc. Range on a tank and refueling costs assume 100% of fuel in tank will be used before Technical specs and performance data for the Audi A6 3.0 TDI quattro 326 C7 (2014-2018) Technical specifications for the 2014-2018 facelift Audi A6 3.0 TDI quattro 326 (C7) 4 door saloon. Find & compare performance, practicality, chassis, brakes, top speed, acceleration, suspension, engine, weights, luggage & more. Audi (C7 2015) A6 Avant 2.0 TDI Ultra 190HP Fuel Consumption (Economy), Emissions and Range Fuel Consumption - Economy - Combined: 51 MPG 4.6 L/100 km 61 MPG UK What is the body type, Audi A6 Limousine (4G, C7 facelift 2016)? Sedan, 4 Doors, 5 Seats What is the fuel economy, Audi A6 Limousine (4G, C7 facelift 2016) 2.0 TDI ultra (190 Hp) S tronic? z3b5jU.