The AUDI A4 (2001-05) 5DR AVANT 1.8T 190 S LINE MTRON AUTO is a five-door estate, bringing executive-car comfort and useful load space to the UK used-car market. Its S line styling gives this older Audi a sportier look, while the automatic gearbox and turbocharged petrol engine suit drivers wanting relaxed, brisk everyday travel. mycarcheck.com records 72 look-ups across 26 distinct VINs, a modest sample rather than a full market picture. The average private-sale valuation is £500, and recorded mileage averages 121,000 miles, with annual use around 5,000 miles. Checks show just over seven previous keepers on average, so check service records, ownership and condition carefully. This A4 Avant suits commuters and families needing boot space, comfort and brisk motorway travel. Its distinctive S line styling helps it stand out against established BMW 3 Series Touring and Mercedes C-Class estate rivals, but age, fuel costs and upkeep merit careful checks.