The AUDI A6 (1997-04) 4DR SALOON 1.9 TDI 130 SPORT 6SPD is a spacious executive saloon, offering more comfort and presence than an ordinary family car. In the UK used market, it competes with older BMW 5 Series and Mercedes-Benz E-Class models, with understated styling and a premium feel. mycarcheck.com records 103 checks covering 48 different cars, giving a useful snapshot rather than a complete market picture. The average recorded mileage is 168,000, with annual use around 7,000 miles; cars have had about four to five keepers. The average private-sale valuation is £900, so condition and history matter greatly. The 1.9-litre diesel suits regular commuting and longer journeys, while the six-speed gearbox helps make motorway driving relaxed. Sport trim gives it a firmer character. It can suit couples or families needing a long-distance car, but examples deserve careful checks. Compared with rivals, its appeal is roomy refinement and premium character.