2021 Audi A6 Avant Black Edition prices

There are 19 used 2021 Audi A6 Avant Black Edition cars for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £23,500 (the median: half cost less, half cost more). The cheapest is £16,000. The middle half are priced between £22,500 and £25,500. Median mileage: about 42,000 miles.

Dealers lowered the asking price on more than a third of 2021 Audi A6 Avant Black Edition cars: 9 of the 19 in the 14 days to 10 November 2026.

AskCar lists 800 used Audi A6 Avant across the UK, from 594 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.

2021 Audi A6 Avant Black Edition cars for sale now, page 1 of 2

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 19 cars listed here meet these rules. Page 2 lists every other 2021 Audi A6 Avant Black Edition car, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 779 priced Audi A6 Avant adverts on AskCar as of 10 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 Audi A6 Avant Black Edition.

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 Avant Black Edition: priced furthest below the AskCar estimate

These 10 are priced 2% to 15% under their AskCar estimate. Their asking prices run from £17,890 to £27,475.

Cheapest 2021 Audi A6 Avant Black Edition: the lowest asking prices

These 10 are priced £16,000 to £23,499. They have covered 40,846 to 142,769 miles.

Lowest-mileage 2021 Audi A6 Avant Black Edition

These 10 have covered 15,615 to 42,416 miles. Their asking prices run from £21,990 to £27,475.

Recently reduced 2021 Audi A6 Avant Black Edition: the biggest price reductions in the 14 days to 10 November 2026

The dealer lowered the asking price on each of these 9 in the 14 days to 10 November 2026. Their reductions since AskCar first saw them run from £219 to £3,989.

Newly advertised 2021 Audi A6 Avant Black Edition: first seen by AskCar in the 7 days to 10 November 2026

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

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