The AUDI A4 (2001-05) 4DR SALOON 1.9 TDI 130 SE is a conventional four-door, mid-size executive saloon, aimed at buyers wanting a more refined alternative to mainstream family cars. In the UK used market it sits alongside the BMW 3 Series and Mercedes-Benz C-Class, while offering practical rear doors and a separate boot. The 130-horsepower diesel gives this Audi A4 a useful blend of brisk everyday performance and economy, making it well suited to commuting, motorway journeys and family duties. The SE trim brings a comfortable, well-finished feel, and the saloon’s understated design has aged gracefully. Compared with many rivals, it is known for a solid cabin, composed driving and long-distance comfort, rather than flashy styling. Mycarcheck.com logged 745 look-ups across 417 distinct VINs, providing a useful data sample. Checks show average mileage of 172,000, about 10,000 miles a year, nearly five previous keepers and an average private-sale valuation of £300.