Used Audi A6 Avant for sale near Cardiff
There are 16 used Audi A6 Avant for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 7 November 2026. Typical asking price £16,200 (the median: half cost less, half cost more). The cheapest is £6,495. AskCar lists 813 used Audi A6 Avant across the UK, from 595 dealerships.
The middle half of the 16 cars are priced between £14,400 and £21,500.
As of 7 November 2026, AskCar lists 601,018 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.
Price reductions near Cardiff
10 of the 16 Audi A6 Avant within 20 miles of Cardiff had their price reduced in the last 14 days to 7 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 789 priced Audi A6 Avant adverts on AskCar as of 7 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.
- 2019 Audi A6 Avant 2.0 TDI S Line, 201 bhp, automatic, diesel, estate, 5 doors, blue. Mileage: 74,000 miles. Price: £16,150, reduced by £1,790 from £17,940 since AskCar first saw it on 17 July 2026, 113 days ago. Good value: £1,994 (10%) under the AskCar estimate of £18,144. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 January 2027. Dealer: Evans Halshaw Vauxhall Newport in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-0c12fb6a1bc2
- 2019 Audi A6 Avant 3.0 S Line, 335 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 60,149 miles. Price: £22,999, unchanged since AskCar first saw it on 24 October 2026, 14 days ago. Fair price: £1,900 (7%) under the AskCar estimate of £24,899. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 February 2027. Dealer: Advantage 4 Vans in Clevedon, 13 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-2828c737ab3b
- 2022 Audi A6 Avant 2.0 TFSI S Line, 201 bhp, automatic, petrol, estate, 5 doors, silver. Mileage: 42,478 miles. Price: £22,349, reduced by £450 from £22,799 since AskCar first saw it on 3 November 2026, 4 days ago. Fair price: £1,521 (6%) under the AskCar estimate of £23,870. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 October 2027. Dealer: Motorpoint Newport in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2022-02f3c883eea5
- 2015 Audi A6 Avant 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, estate, 5 doors, blue. Mileage: 103,390 miles. Price: £9,299, reduced by £351 from £9,650 since AskCar first saw it on 27 July 2026, 103 days ago. Fair price: £435 (4%) under the AskCar estimate of £9,734. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 April 2027. Dealer: Junction 21 Motors in Weston-super-Mare, 15 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-2cf36d221d63
- 2019 Audi A6 Avant 2.0 TDI, 201 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 93,000 miles. Price: £14,495, reduced by £1,500 from £15,995 since AskCar first saw it on 4 September 2026, 64 days ago. Fair price: £612 (4%) under the AskCar estimate of £15,107. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 November 2026. Dealer: Autostrada in Congresbury, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-4f20d030e944
- 2021 Audi A6 Avant 2.0 TFSI S Line, 201 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 50,250 miles. Price: £21,495, reduced by £500 from £21,995 since AskCar first saw it on 25 August 2026, 74 days ago. Fair price: £763 (3%) under the AskCar estimate of £22,258. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 June 2027. Dealer: Somerset Motor Company in Weston-super-Mare, 14 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-c4eb3c6dcf3c
- 2021 Audi A6 Avant 2.0 TFSI Sport, automatic, petrol, estate, 5 doors, black. Mileage: 68,957 miles. Price: £16,990, unchanged since AskCar first saw it on 10 September 2026, 58 days ago. Fair price: £533 (3%) under the AskCar estimate of £17,523. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 May 2027. Dealer: Failand Car Sales in Bristol, 20 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2021-32f5240e7534
- 2018 Audi A6 Avant 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 57,753 miles. Price: £16,299, reduced by £700 from £16,999 since AskCar first saw it on 30 September 2026, 38 days ago. Fair price: £453 (2%) under the AskCar estimate of £16,752. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 June 2027. Dealer: Pinetree Car Superstore - Tonypandy in Tonypandy, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2018-53f1531a325c
- 2017 Audi A6 Avant 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 71,100 miles. Price: £13,990, unchanged since AskCar first saw it on 3 September 2026, 65 days ago. Fair price: £150 (1%) over the AskCar estimate of £13,840. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 March 2027. Dealer: Motorpod in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2017-0168954a2536
- 2015 Audi A6 Avant 2.0 TDI ultra Black Edition, 187 bhp, manual, diesel, estate, 5 doors, white. Mileage: 78,000 miles. Price: £12,690, reduced by £300 from £12,990 since AskCar first saw it on 9 September 2026, 59 days ago. Fair price: £289 (2%) over the AskCar estimate of £12,401. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 November 2026. Dealer: Auto Venue in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-f901e050c7aa
- 2019 Audi A6 Avant 2.0 TDI Black Edition, 201 bhp, automatic, diesel, estate, 5 doors. Mileage: 60,200 miles. Price: £20,495, reduced by £500 from £20,995 since AskCar first saw it on 6 October 2026, 32 days ago. Fair price: £519 (2%) over the AskCar estimate of £19,976. Euro 6 emissions standard. ULEZ compliant. Dealer: Evolve Motor Company in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2019-be909342df92
- 2015 Audi A6 Avant 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, estate, 5 doors, silver. Mileage: 43,728 miles. Price: £14,990, reduced by £400 from £15,390 since AskCar first saw it on 30 July 2026, 100 days ago. Fair price: £401 (2%) over the AskCar estimate of £14,589. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 February 2027. Dealer: Auto Venue in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2015-c006730a0bb7
- 2017 Audi A6 Avant 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 65,621 miles. Price: £14,990, reduced by £400 from £15,390 since AskCar first saw it on 6 July 2026, 124 days ago. Fair price: £586 (4%) over the AskCar estimate of £14,404. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 29 July 2026; ask the dealer for the current MOT. Dealer: Auto Venue in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2017-30ced3ad1a4c
- 2025 Audi A6 Avant, estate, black. Mileage: 464 miles. Price: £53,179, reduced by £4,812 from £57,991 since AskCar first saw it on 28 May 2026, 163 days ago. Above the going rate: £5,199 (10%) over the AskCar estimate of £47,980. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2025-957e50341678
- 2025 Audi A6 Avant 2.0 TDI Launch Edition Plus, 201 bhp, automatic, diesel, estate, 5 doors, blue. Mileage: 10,505 miles. Price: £49,690, reduced by £8,214 from £57,904 since AskCar first saw it on 28 May 2026, 163 days ago. Above the going rate: £4,894 (10%) over the AskCar estimate of £44,796. 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-avant-2025-fb243e454074
- 2010 Audi A6 Avant 2.7 TDI LE Mans, 187 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 79,500 miles. Price: £6,495, raised by £200 from £6,295 since AskCar first saw it on 15 August 2026, 84 days ago. Fair price: £3 (under 1%) under the AskCar estimate of £6,498. Euro 5 emissions standard. MOT: valid until 4 January 2027. Dealer: Specialist Cars of Bristol in Congresbury, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2010-a16477df075b
Audi A6 Avant across the UK by price
- Under £5,000 (37 cars)
- Under £8,000 (94 cars)
- Under £10,000 (154 cars)
- Under £15,000 (310 cars)
- Under £20,000 (486 cars)
- Under £30,000 (690 cars)
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