Used Audi A6 Saloon for sale near Cardiff
There are 20 used Audi A6 Saloon for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 6 November 2026. Typical asking price £16,100 (the median: half cost less, half cost more). The cheapest is £5,690. AskCar lists 906 used Audi A6 Saloon across the UK, from 664 dealerships.
The middle half of the 20 cars are priced between £10,700 and £24,500.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 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
9 of the 20 Audi A6 Saloon within 20 miles of Cardiff had their price reduced in the last 14 days to 6 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 875 priced Audi A6 Saloon adverts on AskCar as of 6 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.
- 2023 Audi A6 Saloon 2.0 TFSI S Line, 201 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 31,198 miles. Price: £20,282, reduced by £3,372 from £23,654 since AskCar first saw it on 2 July 2026, 127 days ago. Good value: £3,230 (13%) under the AskCar estimate of £23,512. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 March 2027. Dealer: Carbase Lympsham in Lympsham, 17 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-fb228453730a
- 2014 Audi A6 Saloon 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 110,608 miles. Price: £5,995, reduced by £500 from £6,495 since AskCar first saw it on 3 October 2026, 34 days ago. Good value: £778 (11%) under the AskCar estimate of £6,773. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 May 2027. Dealer: Cardiff Motors in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2014-8c31a5a02c4a
- 2014 Audi A6 Saloon 2.0 TDI ultra S Line, 187 bhp, manual, diesel, saloon, 4 doors, blue. Mileage: 110,022 miles. Price: £5,690, unchanged since AskCar first saw it on 30 October 2026, 7 days ago. Good value: £673 (10%) under the AskCar estimate of £6,363. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 November 2026. Dealer: Elite Vehicles Direct in Abertillery, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2014-faf54c782f9f
- 2022 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 29,502 miles. Price: £23,610, reduced by £2,320 from £25,930 since AskCar first saw it on 28 May 2026, 162 days ago. Good value: £2,477 (9%) under the AskCar estimate of £26,087. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 May 2027. Dealer: BUY & Go Cars in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2022-2846ebb29c71
- 2018 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 53,099 miles. Price: £16,000, reduced by £2,000 from £18,000 since AskCar first saw it on 20 July 2026, 109 days ago. Fair price: £1,175 (6%) under the AskCar estimate of £17,175. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 December 2026. Dealer: Carpoint UK Motor Company in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-9a33c4b846df
- 2017 Audi A6 Saloon 2.0 TDI SE Executive, 187 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 75,298 miles. Price: £10,790, reduced by £1,200 from £11,990 since AskCar first saw it on 6 July 2026, 123 days ago. Fair price: £525 (4%) under the AskCar estimate of £11,315. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 27 September 2026; ask the dealer for the current MOT. Dealer: Motorpod in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2017-2968a7e93797
- 2018 Audi A6 Saloon 2.0 TDI Sport, 201 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 80,765 miles. Price: £12,999, reduced by £1,500 from £14,499 since AskCar first saw it on 25 July 2026, 104 days ago. Fair price: £571 (4%) under the AskCar estimate of £13,570. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 December 2026. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-3456d6f13feb
- 2018 Audi A6 Saloon 2.0 TDI ultra Black Edition, 187 bhp, manual, diesel, saloon, 4 doors, black. Mileage: 42,526 miles. Price: £14,150, reduced by £1,670 from £15,820 since AskCar first saw it on 28 May 2026, 162 days ago. Fair price: £494 (3%) under the AskCar estimate of £14,644. Euro 6 emissions standard. ULEZ compliant. Dealer: Evans Halshaw Vauxhall Newport in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2018-12a3cdbcecc2
- 2015 Audi A6 Saloon 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 62,000 miles. Price: £10,495, unchanged since AskCar first saw it on 25 September 2026, 42 days ago. Fair price: £348 (3%) under the AskCar estimate of £10,843. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 July 2027. Dealer: Coopers Car Sales in Cardiff, 8 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2015-2b96dfce45fe
- 2021 Audi A6 Saloon 2.0 TFSI Sport, 201 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 50,014 miles. Price: £16,138, unchanged since AskCar first saw it on 27 October 2026, 10 days ago. Fair price: £461 (2%) under the AskCar estimate of £16,599. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 May 2027. Dealer: Carbase Weston-super-Mare in Weston-super-Mare, 13 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2021-93f45a6f7bb4
- 2015 Audi A6 Saloon 2.0 TDI ultra Black Edition, 187 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 92,940 miles. Price: £9,495, reduced by £1,300 from £10,795 since AskCar first saw it on 17 July 2026, 112 days ago. Fair price: £255 (2%) under the AskCar estimate of £9,750. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 July 2027. Dealer: Motoring WAY in Abertillery, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2015-854f00c81c19
- 2017 Audi A6 Saloon 2.0 TDI ultra SE Executive, 187 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 102,000 miles. Price: £8,495, unchanged since AskCar first saw it on 25 September 2026, 42 days ago. Fair price: £189 (2%) under the AskCar estimate of £8,684. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 3 April 2027. Dealer: Coopers Car Sales in Cardiff, 8 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2017-60c717a9679b
- 2022 Audi A6 Saloon 2.0 TFSI Black Edition, 201 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 42,897 miles. Price: £21,812, unchanged since AskCar first saw it on 4 November 2026, 2 days ago. Fair price: £397 (1%) under the AskCar estimate of £22,209. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 November 2026. Dealer: Carbase Weston-super-Mare in Weston-super-Mare, 13 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2022-de625a472c80
- 2026 Audi A6 Saloon 2.0 TFSI Edition 1, 201 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 8,000 miles. Price: £38,650, reduced by £2,350 from £41,000 since AskCar first saw it on 19 September 2026, 48 days ago. Fair price: £407 (1%) under the AskCar estimate of £39,057. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Mon Motors Cardiff Audi in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2026-9e95c0f3bf42
- 2026 Audi A6 Saloon 2.0 TDI Edition 1, 201 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 2,850 miles. Price: £42,250, reduced by £2,750 from £45,000 since AskCar first saw it on 19 September 2026, 48 days ago. Fair price: £80 (under 1%) over the AskCar estimate of £42,170. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Mon Motors Cardiff Audi in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2026-cab89b440348
- 2026 Audi A6 Saloon 2.0 TFSI S Line, 201 bhp, automatic, petrol, saloon, 4 doors, blue. Mileage: 8,500 miles. Price: £34,350, reduced by £2,650 from £37,000 since AskCar first saw it on 19 September 2026, 48 days ago. Fair price: £125 (under 1%) over the AskCar estimate of £34,225. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Mon Motors Cardiff Audi in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2026-7422122a8832
- 2023 Audi A6 Saloon 2.0 TFSI Sport, 201 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 38,828 miles. Price: £19,999, unchanged since AskCar first saw it on 21 July 2026, 108 days ago. Fair price: £151 (under 1%) over the AskCar estimate of £19,848. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 April 2027. Dealer: FRF Vauxhall Bridgend in Bridgend, 17 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2023-b7a8dfa27e08
- 2019 Audi A6 Saloon 2.0 TDI Sport, 201 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 101,500 miles. Price: £12,995, unchanged since AskCar first saw it on 1 November 2026, 5 days ago. Fair price: £332 (2%) over the AskCar estimate of £12,663. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 January 2027. Dealer: J & P Auto Services in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2019-7c6a810e03e1
- 2022 Audi A6 Saloon 2.0 TDI Black Edition, 201 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 37,399 miles. Price: £27,191, reduced by £799 from £27,990 since AskCar first saw it on 8 July 2026, 121 days ago. Fair price: £1,035 (3%) over the AskCar estimate of £26,156. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 November 2026. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2022-e1b29638ded8
- 2024 Audi A6 Saloon 2.0 TDI S Line, 201 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 15,735 miles. Price: £32,841, unchanged since AskCar first saw it on 8 October 2026, 29 days ago. Fair price: £2,050 (6%) over the AskCar estimate of £30,791. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-saloon-2024-3a18abde3784
Audi A6 Saloon across the UK by price
- Under £5,000 (44 cars)
- Under £8,000 (132 cars)
- Under £10,000 (216 cars)
- Under £15,000 (387 cars)
- Under £20,000 (642 cars)
- Under £30,000 (799 cars)
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