The AUDI A6 (2004-09) 4DR SALOON 2.0 TDI 140 S LINE is a stylish and practical executive saloon that has a strong presence in the UK used car market. Known for its sleek design and comfortable interior, this model is often chosen by professionals and families seeking a reliable, well-equipped vehicle with a touch of luxury. It sits competitively among other executive saloons, offering a refined driving experience paired with decent fuel economy, especially in its diesel variant. The S line trim adds sporty touches and premium features, making it a notable choice for those wanting style without sacrificing practicality. Data from mycarcheck.com shows a relatively high sample size of 421 lookups for this model, with 214 different VINs recorded, indicating consistent interest and a steady presence in the used car market. The average recorded mileage is around 154,000 miles, reflecting typical usage for a vehicle of its age, and the average valuation is about £1,000, which makes it an affordable option for many buyers. The vehicle is often used for daily commuting or family travel, thanks to its spacious interior and comfortable ride. What makes this AUDI A6 stand out is its balance of style, comfort, and reliable performance. While it faces competition from similar executive saloons, it is recognized for its solid build quality and reputation for longevity. In comparison to rivals, the AUDI A6 (2004-09) 4DR SALOON 2.0 TDI 140 S LINE is often seen as a durable, well-rounded choice that appeals to those looking for a practical yet premium vehicle. Its appeal remains strong among used car buyers seeking a stylish, dependable saloon.