The AUDI A4 (2001-05) 4DR SALOON 1.9 TDI 130 SPORT 6SPD is a compact executive saloon: a comfortable, four-door alternative to mainstream family cars, aimed at buyers wanting a more premium feel. In the UK it sits in the same used-car class as the BMW 3 Series and Mercedes-Benz C-Class, while offering a practical boot and understated styling. mycarcheck.com records 1,040 look-ups across 567 different VINs, a sizeable sample that suggests continuing interest in this older A4. Checks show average recorded mileage of 166,000 miles, around 9,000 miles a year, and nearly six previous keepers. The average private-sale valuation is £300, so condition, history and maintenance matter greatly when assessing examples. The 1.9-litre diesel is valued for useful pulling power and economical long-distance travel, suiting commuters and small families. Its six-speed gearbox and composed ride make it engaging on longer journeys, while the premium cabin and comfort remain appealing still today.