Used Audi A6 Allroad for sale under £20,000

There are 88 used Audi A6 Allroad under £20,000 for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £12,000 (the median: half cost less, half cost more). The cheapest is £3,790. AskCar lists 109 used Audi A6 Allroad across the UK, from 88 dealerships.

The middle half of the 88 cars are priced between £8,500 and £16,000.

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.

23 of the 88 cars had their price reduced in the last 14 days to 8 November 2026.

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 108 priced Audi A6 Allroad 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.

Audi A6 Allroad by gearbox, fuel and body

Audi A6 Allroad under £20,000 by gearbox, fuel and body

Audi A6 Allroad prices by year

Audi A6 Allroad by price

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