The AUDI A6 (2004-09) 5DR AVANT 2.8 FSI SE is a large, premium five-door estate, offering more luggage space than the A6 saloon while retaining a smart, comfortable feel. In the UK used-car market, it sits among executive family cars, giving buyers a practical alternative to an SUV with useful versatility. The 2.8-litre petrol engine suits drivers who value smooth progress, while the Avant’s roomy cabin and boot make it well suited to family trips, commuting and loads. SE trim and understated design give it a refined feel compared with mainstream estates, though running costs may be higher than smaller cars. Mycarcheck.com has recorded two look-ups for this model, covering one VIN, so its figures are a limited snapshot rather than a market-wide guide. That data shows an average recorded mileage of 142,000 miles, five previous keepers and a private-sale estimate of £1,100; check each car’s full history and condition carefully.