The AUDI A6 (2004-09) 4DR SALOON 2.0 TDI 140 S LINE is a popular executive car in the UK, known for blending style with practicality. It fits into the mid-size saloon market, appealing to those seeking a comfortable and refined vehicle for daily commuting, family use, or business travel. According to mycarcheck.com data, this model has been frequently checked, with over 435 look-ups and nearly 220 different VINs, indicating its popularity among used car buyers. This particular model is often chosen for its fuel efficiency, thanks to the 2.0 TDI diesel engine, making it a cost-effective option for long-distance drivers and those with a regular driving routine. Its S LINE trim adds a sporty and stylish touch, standing out in the competitive executive car class. Generally used by individuals who value comfort and a sophisticated feel, it is well-suited to professionals, families, and those looking for a reliable, premium vehicle. What makes the AUDI A6 (2004-09) 4DR SALOON 2.0 TDI 140 S LINE notable is its blend of quality build, impressive interior features, and reputation for reliability. While rivals like the BMW 3 Series and Mercedes-Benz E-Class hold their own, the A6 is often praised for its spaciousness and smooth driving experience. With an average mileage of around 154,000 miles and multiple previous keepers, it remains a dependable choice for used car buyers seeking value and performance.