The AUDI A6 (2008-11) 4DR SALOON 2.0 TDIE CR DPF EU5 136 S LINE is a large, four-door executive saloon, aimed at buyers wanting space and comfort beyond a hatchback. In the UK used-car market, it sits among premium choices alongside the BMW 5 Series and Mercedes-Benz E-Class, with an image that is understated. Checks on mycarcheck.com show 383 look-ups covering 192 distinct VINs, a useful sample of cars being researched. Recorded examples average £3,100 in private-sale value and 149,000 miles, with around 12,000 miles driven yearly. The average keeper count is just over four, so inspect service records and ownership history carefully. The diesel suits commuters, motorway users and families seeking a roomy cabin and boot, while S line trim adds a sportier look. It is best for buyers prioritising long-distance comfort and premium feel; against rivals, the A6 is known for comfort and understated style. Check condition and running costs before buying.