Used automatic Audi A6 Avant for sale under £20,000

There are 428 used automatic Audi A6 Avant under £20,000 for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £14,000 (the median: half cost less, half cost more). The cheapest is £1,395. AskCar lists 805 used Audi A6 Avant across the UK, from 592 dealerships.

The middle half of the 428 cars are priced between £10,000 and £17,000.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

140 of the 428 cars had their price reduced in the last 14 days to 8 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202024£18,100£15,800 to £19,000
201990£16,600£15,300 to £18,500
201863£14,400£13,000 to £16,000
201749£14,200£12,300 to £16,000
201645£10,900£9,000 to £13,000
201548£11,500£10,000 to £13,600
201424£7,900£6,900 to £11,600

Cars for sale now, page 3 of 5

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 782 priced Audi A6 Avant adverts on AskCar as of 8 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 and town; AskCar page.

Cheaper cars like each one, with its price history, are on its AskCar page.

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