Used Audi S6 Avant for sale near Biggleswade
There are 2 used Audi S6 Avant for sale from UK dealers within 20 miles of Biggleswade on AskCar, as of 10 November 2026. The cheapest is £22,550. AskCar lists 25 used Audi S6 Avant across the UK, from 24 dealerships.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Biggleswade
1 of the 2 Audi S6 Avant within 20 miles of Biggleswade had its price reduced in the last 14 days to 10 November 2026. Its line in the list below says by how much.
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 25 priced Audi S6 Avant adverts on AskCar as of 10 November 2026.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2018 Audi S6 Avant 4.0 TFSI V8, 444 bhp, automatic, petrol, estate, 5 doors, grey. Mileage: 81,119 miles. Price: £22,550, reduced by £640 from £23,190 since AskCar first saw it on 29 July 2026, 104 days ago. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 May 2027. Dealer: Evans Halshaw Vauxhall Bedford in Bedford, 8 miles from Biggleswade. AskCar page: https://askcar.co.uk/car/audi-s6-avant-2018-adb65645c228
- 2021 Audi S6 Avant 3.0 TDI V6 Vorsprung, 339 bhp, automatic, diesel, estate, 5 doors, blue. Mileage: 40,064 miles. Price: £47,995, reduced by £2,000 from £49,995 since AskCar first saw it on 16 July 2026, 117 days ago. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 June 2027. Dealer: EAG Specialist Cars in St Neots, 14 miles from Biggleswade. AskCar page: https://askcar.co.uk/car/audi-s6-avant-2021-54bec3c4d2a1
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