The AUDI A6 (2011-15) 4DR SALOON QUATTRO 3.0 TFSI SS 300 EU5 S LINE STRON AUTO7 is a large, premium four-door saloon, aimed at buyers wanting executive-car comfort rather than a hatchback or SUV. In the UK used market, it sits alongside the BMW 5 Series and Mercedes-Benz E-Class, offering a polished, understated alternative. mycarcheck.com records 28 look-ups covering seven distinct VINs, giving a useful, though modest, snapshot. Checked cars averaged £6,600 in private-sale value, 76,000 miles and around 5,000 miles a year; recorded keepers averaged 2.4. These figures describe cars checked, not a guaranteed price or condition. This S line quattro combines sporty styling with a powerful petrol engine, automatic transmission and four-wheel drive for confident performance. It suits commuters and families seeking comfort, space and refinement. Against BMW and Mercedes rivals, its all-weather grip and engaging drive appeal, though fuel and upkeep costs may exceed those of smaller saloons.