2021 Audi A6 Allroad prices

There are 6 used 2021 Audi A6 Allroad cars for sale from UK dealers on AskCar, as of 8 November 2026. The cheapest is £17,490.

Dealers lowered the asking price on more than a quarter of 2021 Audi A6 Allroad cars: 2 of the 6 in the 14 days to 8 November 2026.

AskCar lists 109 used Audi A6 Allroad across the UK, from 88 dealerships.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2021 Audi A6 Allroad cars for sale now

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. All 6 cars listed here meet these rules.

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. The figures on this page describe the cars advertised, not a valuation of every 2021 Audi A6 Allroad.

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. Each car's AskCar page has its full price history and cheaper cars like it.

Best value 2021 Audi A6 Allroad: priced furthest below the AskCar estimate

Their asking prices run from £17,490 to £52,995.

Cheapest 2021 Audi A6 Allroad: the lowest asking prices

These 6 are priced £17,490 to £52,995. They have covered 39,770 to 136,801 miles.

Lowest-mileage 2021 Audi A6 Allroad

These 6 have covered 39,770 to 136,801 miles. Their asking prices run from £17,490 to £52,995.

Recently reduced 2021 Audi A6 Allroad: the biggest price reductions in the 14 days to 8 November 2026

The dealer lowered the asking price on each of these 2 in the 14 days to 8 November 2026. Their reductions since AskCar first saw them run from £2,000 to £2,700.

Newly advertised 2021 Audi A6 Allroad: first seen by AskCar in the 7 days to 8 November 2026

These 2 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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