Used Audi A6 for sale near Cardiff
There are 3 used Audi A6 for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 4 November 2026. The cheapest is £14,795. AskCar lists 77 used Audi A6 across the UK, from 64 dealerships.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Cardiff
2 of the 3 Audi A6 within 20 miles of Cardiff had their price reduced in the last 14 days to 4 November 2026. Each one's 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 64 priced Audi A6 adverts on AskCar as of 4 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.
- 2021 Audi A6 2.0 Black Edition, automatic, saloon, 4 doors, white. Mileage: 50,176 miles. Price: £18,690, reduced by £809 from £19,499 since AskCar first saw it on 16 August 2026, 80 days ago. Good value: £2,657 (12%) under the AskCar estimate of £21,347. Euro 6 emissions standard. MOT: valid until 10 March 2027. Dealer: P W Millar Ford in Barry, 6 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-2021-a8b9a6d28f5f
- 2018 Audi A6 2.0 S Line, automatic, saloon, 4 doors, white. Mileage: 98,248 miles. Price: £14,795, reduced by £200 from £14,995 since AskCar first saw it on 25 September 2026, 40 days ago. Above the going rate: £1,690 (12%) over the AskCar estimate of £13,105. Euro 6 emissions standard. MOT: valid until 20 September 2027. Dealer: RTM Motors Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-2018-09e3f7062556
- 2025 Audi A6, hatchback, black. Mileage: 2,051 miles. Price: £59,991, unchanged since AskCar first saw it on 28 May 2026, 160 days ago. Above the going rate: £7,537 (14%) over the AskCar estimate of £52,454. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-2025-703149db0ba6
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