The AUDI A6 (1997-04) 5DR AVANT 1.8T MTRON AUTO is a five-door estate with useful load space and a comfortable, upmarket feel. In the UK used-car market, it is a premium family wagon, offering a practical alternative to an SUV and rival estates from BMW and Mercedes-Benz. Its restrained design remains quietly distinctive. Mycarcheck.com recorded five checks across four VINs, so the figures are a small snapshot rather than a reliable market-wide picture. Within that sample, average private-sale value was £700, average recorded mileage was 146,000, and cars had four previous keepers on average. Average annual mileage was 2,000, suggesting these examples may have seen limited recent use. With its turbo petrol engine and automatic gearbox, the A6 Avant suits families, regular travellers or anyone wanting a roomy older car. It feels more refined than mainstream estates, but age and mileage make service history, condition and a vehicle check important.