Used Audi A6 for sale in Northern Ireland
There are 7 used Audi A6 for sale from UK dealers in Northern Ireland on AskCar, as of 12 November 2026. The cheapest is £19,950. AskCar lists 66 used Audi A6 across the UK, from 53 dealerships.
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions in Northern Ireland
2 of the 7 Audi A6 in Northern Ireland had their price reduced in the last 14 days to 12 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 58 priced Audi A6 adverts on AskCar as of 12 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.
- 2023 Audi A6 TDI, automatic, diesel, estate, 5 doors, grey. Mileage: 28,800 miles. Price: £29,995, reduced by £999 from £30,994 since AskCar first saw it on 3 November 2026, 9 days ago. Good value: £6,176 (17%) under the AskCar estimate of £36,171. Euro 6 emissions standard. ULEZ compliant. Dealer: Ballyrobert Mallusk in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-2023-ae9e07d73330
- 2022 Audi A6 2.0 Sport, automatic, saloon, white. Mileage: 40,878 miles. Price: £19,950, unchanged since AskCar first saw it on 29 September 2026, 44 days ago. Fair price: £1,060 (5%) under the AskCar estimate of £21,010. MOT: valid until 28 July 2027. Dealer: Wilsons of Rathkenny in Ballymena. AskCar page: https://askcar.co.uk/car/audi-a6-2022-78690306b198
- 2021 Audi A6 2.0 S Line, automatic, saloon, 4 doors, blue. Mileage: 40,323 miles. Price: £21,995, reduced by £500 from £22,495 since AskCar first saw it on 28 May 2026, 168 days ago. Fair price: £998 (4%) under the AskCar estimate of £22,993. Euro 6 emissions standard. MOT: valid until 3 March 2027. Dealer: Roadside Motors Lurgan in Lurgan. AskCar page: https://askcar.co.uk/car/audi-a6-2021-487a1134b8e2
- 2026 Audi A6 2.0 e-hybrid S Line, 294 bhp, automatic, plug-in hybrid (petrol), saloon, 4 doors, grey. Mileage: 5,133 miles. Price: £38,490, reduced by £10,500 from £48,990 since AskCar first saw it on 6 August 2026, 98 days ago. Fair price: £1,643 (4%) under the AskCar estimate of £40,133. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-2026-b1109c0f4fac
- 2022 Audi A6 2.0 S Line, automatic, silver. Mileage: 54,000 miles. Price: £27,594, unchanged since AskCar first saw it on 25 September 2026, 48 days ago. Above the going rate: £2,839 (11%) over the AskCar estimate of £24,755. Euro 6 emissions standard. MOT: valid until 5 August 2027. Dealer: Desmond Motors Londonderry in Derry. AskCar page: https://askcar.co.uk/car/audi-a6-2022-9a63befd8e4f
- 2025 Audi A6, estate, grey. Mileage: 15,864 miles. Price: £54,990, reduced by £8,000 from £62,990 since AskCar first saw it on 4 June 2026, 161 days ago. Above the going rate: £5,793 (11%) over the AskCar estimate of £49,197. MOT: first test not yet due. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-2025-d6af69506087
- 2019 Audi A6, saloon, black. Mileage: 93,000 miles. Dealer: Vinny Donnelly Motors in Warrenpoint. AskCar page: https://askcar.co.uk/car/audi-a6-2019-02ee9ef0a09a
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