The AUDI A6 (2008-11) 5DR AVANT 2.0 TDI CR DPF EU5 170 S LINE SPECIAL EDITION 6SPD is a large, premium estate car, offering more luggage space than the A6 saloon while retaining a smart, executive feel. In the UK used-car market, it sits above mainstream family estates, competing with BMW 5 Series Touring and Mercedes-Benz E-Class Estate models. Mycarcheck.com records 905 checks covering 420 VINs, a substantial snapshot of buyer interest. Average private-sale valuation is £3,800, with recorded mileage averaging 139,000 and annual use 8,000 miles; cars have had around 3.4 previous keepers. These figures are context, not a price or condition guarantee. An efficient diesel estate suits commuting, family trips and bulky loads, while S line trim gives it a sportier look and the 170-horsepower engine provides confident motorway pace. It blends comfort, practicality and premium appeal, making this used Audi A6 Avant a compelling alternative to German rivals.