Technical specs and performance data for the Audi A6 3.0 TDI quattro 272 C7 (2014-2018) Technical specifications for the 2014-2018 Audi A6 3.0 TDI quattro 272 (C7) 4 door saloon. Find & compare performance, practicality, chassis, brakes, top speed, acceleration, suspension, engine, weights, luggage & more. Stage I ECU Upgrade Volkswagen Groupā€™s 3.0 TDI is found in many vehicle makes and models in the Audi and Volkswagen lineup. Over 45 engine codes exist today with hundreds of ECU revisions across the world. AWE Exhaust for C8 Audi A6/A7 3.0T Presenting the AWE Touring Edition Exhaust for the C8 Audi A6/A7 3.0T: 50-state emissions-compliant dual 3ā€ catback exhausts Dyno-proven gains of 12 hp and 6 lb-ft of torque at the wheels Features AWEā€™s patented drone-canceling 180 TechnologyĀ® Post-catalyst downpipes feature factory-matched 2009 jetta. Feb 3, 2019. #1. So the wife and I picked up a 2015 A6 C7 3.0tdi, and me being the way I am with all my Dieselā€™s,Iā€™m ready to clean this one up. I have been doing some reading here and there, but not much is out there for info. (Not like my duramax and Cummins). So Iā€™m torn between apr stage 2 or Malone. Leaning towards Malone. Real MPG: Audi A6 (2011 - 2018) 3.0 TFSI quattro Efficient 2.0 TDI provides good performance. Rivals. Audi A6 (2011 - 2018) 42.7: avg mpg: Volkswagen Golf (2013 0x4W.