Used Audi A4 Avant for sale near Cardiff
There are 32 used Audi A4 Avant for sale from UK dealers within 20 miles of Cardiff on AskCar, as of 6 November 2026. Typical asking price £17,000 (the median: half cost less, half cost more). The cheapest is £5,850. AskCar lists 1,308 used Audi A4 Avant across the UK, from 861 dealerships.
The middle half of the 32 cars are priced between £11,700 and £21,000.
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
11 of the 32 Audi A4 Avant 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 1,256 priced Audi A4 Avant 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.
- 2019 Audi A4 Avant 2.0 TFSI, automatic, petrol, estate, 5 doors, white. Mileage: 70,000 miles. Price: £14,995, unchanged since AskCar first saw it on 5 November 2026, 1 day ago. Good value: £1,561 (9%) under the AskCar estimate of £16,556. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 June 2027. Dealer: Autostrada in Congresbury, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2019-7335189592ac
- 2023 Audi A4 Avant 2.0 TFSI Technik, 147 bhp, automatic, petrol, estate, 5 doors, grey. Mileage: 22,643 miles. Price: £17,799, reduced by £1,000 from £18,799 since AskCar first saw it on 29 August 2026, 69 days ago. Good value: £1,782 (9%) under the AskCar estimate of £19,581. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 7 July 2027. Dealer: Birchwood Motors in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-d67308348e05
- 2015 Audi A4 Avant 2.0 TDI SE Technik, automatic, diesel, estate, 5 doors, white. Mileage: 111,000 miles. Price: £5,850, unchanged since AskCar first saw it on 29 October 2026, 8 days ago. Good value: £575 (8%) under the AskCar estimate of £6,425. MOT: the latest record we hold ran out on 18 October 2026; ask the dealer for the current MOT. Dealer: Wo Motors in Banwell, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2015-21d4de318b42
- 2016 Audi A4 Avant 2.0 TFSI Sport, automatic, petrol, estate, 5 doors, black. Mileage: 61,851 miles. Price: £10,995, unchanged since AskCar first saw it on 16 October 2026, 21 days ago. Fair price: £710 (6%) under the AskCar estimate of £11,705. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 April 2027. Dealer: Winterstoke Motor Company Clevedon in Clevedon, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2016-126a19d906c1
- 2021 Audi A4 Avant 2.0 TDI S Line, 160 bhp, automatic, diesel, estate, 5 doors, white. Mileage: 54,820 miles. Price: £17,995, unchanged since AskCar first saw it on 29 August 2026, 69 days ago. Fair price: £1,116 (5%) under the AskCar estimate of £19,111. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 January 2027. Dealer: P W Millar Ford in Barry, 6 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-a5badf95220c
- 2018 Audi A4 Avant 2.0, automatic, diesel, estate, 5 doors, blue. Mileage: 72,000 miles. Price: £13,495, unchanged since AskCar first saw it on 18 October 2026, 19 days ago. Fair price: £754 (5%) under the AskCar estimate of £14,249. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 November 2026. Dealer: Autostrada in Congresbury, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-0baf3c547867
- 2024 Audi A4 Avant 2.0 TDI Sport, 161 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 24,367 miles. Price: £20,980, reduced by £2,188 from £23,168 since AskCar first saw it on 30 September 2026, 37 days ago. Fair price: £914 (4%) under the AskCar estimate of £21,894. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Carbase Lympsham in Lympsham, 17 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2024-1e9766ba8e46
- 2022 Audi A4 Avant 2.0 TFSI Black Edition, 147 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 45,187 miles. Price: £20,379, unchanged since AskCar first saw it on 27 October 2026, 10 days ago. Fair price: £678 (3%) under the AskCar estimate of £21,057. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 April 2027. Dealer: Carbase Weston-super-Mare in Weston-super-Mare, 13 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2022-e15164286b07
- 2023 Audi A4 Avant 2.0 TDI S Line, 160 bhp, automatic, diesel, estate, 5 doors, white. Mileage: 36,364 miles. Price: £22,500, unchanged since AskCar first saw it on 20 October 2026, 17 days ago. Fair price: £742 (3%) under the AskCar estimate of £23,242. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 September 2027. Dealer: Carbase Weston-super-Mare in Weston-super-Mare, 13 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-4a1b5ffbd7de
- 2023 Audi A4 Avant 2.0 TFSI S Line, 147 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 32,772 miles. Price: £20,751, unchanged since AskCar first saw it on 30 October 2026, 7 days ago. Fair price: £663 (3%) under the AskCar estimate of £21,414. Euro 6 emissions standard. ULEZ compliant. Dealer: Carbase Weston-super-Mare in Weston-super-Mare, 13 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-23b36bd284f8
- 2020 Audi A4 Avant 2.0 TDI Technik, automatic, diesel, estate, 5 doors, black. Mileage: 91,759 miles. Price: £11,995, reduced by £1,900 from £13,895 since AskCar first saw it on 28 May 2026, 162 days ago. Fair price: £348 (2%) under the AskCar estimate of £12,343. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 March 2027. Dealer: Squire Cars Abertillery in Abertillery, 17 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-2b6bb3c5da45
- 2020 Audi A4 Avant 2.0 TFSI Black Edition, 187 bhp, automatic, petrol, estate, 5 doors, grey. Mileage: 85,789 miles. Price: £15,495, unchanged since AskCar first saw it on 23 October 2026, 14 days ago. Fair price: £261 (1%) under the AskCar estimate of £15,756. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 April 2027. Dealer: T J Car Sales in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-2dcd77e49abc
- 2019 Audi A4 Avant 2.0 TDI Black Edition, automatic, diesel, estate, 5 doors, black. Mileage: 82,224 miles. Price: £13,995, reduced by £1,500 from £15,495 since AskCar first saw it on 15 July 2026, 114 days ago. Fair price: £156 (1%) under the AskCar estimate of £14,151. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 January 2027. Dealer: T J Car Sales in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2019-bc9c538f520b
- 2022 Audi A4 Avant 2.0 TDI Technik, automatic, diesel, estate, 5 doors, blue. Mileage: 50,245 miles. Price: £17,490, unchanged since AskCar first saw it on 30 September 2026, 37 days ago. Fair price: £126 (under 1%) under the AskCar estimate of £17,616. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 February 2027. Dealer: Failand Car Sales in Bristol, 20 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2022-2ebe03de6a0d
- 2024 Audi A4 Avant 2.0 TDI Black Edition, 201 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 32,000 miles. Price: £28,995, unchanged since AskCar first saw it on 4 November 2026, 2 days ago. Fair price: £113 (under 1%) under the AskCar estimate of £29,108. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Evolve Motor Company in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2024-70db3f3d3f4f
- 2017 Audi A4 Avant 2.0 TDI S Line, 147 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 136,480 miles. Price: £7,995, raised by £200 from £7,795 since AskCar first saw it on 25 September 2026, 42 days ago. Fair price: £25 (under 1%) under the AskCar estimate of £8,020. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 November 2026. Dealer: RTM Motors Cardiff in Cardiff, 2 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2017-bce030188a3c
- 2017 Audi A4 Avant 2.0 TDI S Line, 147 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 93,226 miles. Price: £10,895, reduced by £1,100 from £11,995 since AskCar first saw it on 3 August 2026, 95 days ago. Fair price: £12 (under 1%) over the AskCar estimate of £10,883. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 3 November 2026; ask the dealer for the current MOT. Dealer: Motoring WAY in Abertillery, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2017-226f28d6803e
- 2018 Audi A4 Avant 2.0 Sport, 187 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 96,250 miles. Price: £10,495, raised by £169 from £10,326 since AskCar first saw it on 5 October 2026, 32 days ago. Fair price: £13 (under 1%) over the AskCar estimate of £10,482. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 September 2027. Dealer: Magor Motor Company in Caldicot, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-810dcaa8af24
- 2022 Audi A4 Avant 2.0 TDI Black Edition, 160 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 60,310 miles. Price: £20,990, reduced by £500 from £21,490 since AskCar first saw it on 25 August 2026, 73 days ago. Fair price: £204 (under 1%) over the AskCar estimate of £20,786. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 February 2027. Dealer: Auto Unit in Newport, 11 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2022-a81cc2b305cb
- 2017 Audi A4 Avant 1.4 TFSI S Line, 148 bhp, manual, petrol, estate, 5 doors, black. Mileage: 110,900 miles. Price: £8,290, raised by £291 from £7,999 since AskCar first saw it on 23 August 2026, 75 days ago. Fair price: £83 (1%) over the AskCar estimate of £8,207. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 December 2026. Dealer: Junction 21 Motors in Weston-super-Mare, 15 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2017-af14d429e3c2
- 2024 Audi A4 Avant 2.0 TFSI Black Edition, automatic, petrol, estate, 5 doors, grey. Mileage: 16,850 miles. Price: £27,250, reduced by £1,600 from £28,850 since AskCar first saw it on 27 September 2026, 40 days ago. Fair price: £295 (1%) over the AskCar estimate of £26,955. 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-a4-avant-2024-998c04ccca73
- 2023 Audi A4 Avant 2.0 TDI Black Edition, 160 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 34,000 miles. Price: £25,350, reduced by £500 from £25,850 since AskCar first saw it on 24 October 2026, 13 days ago. Fair price: £398 (1%) over the AskCar estimate of £24,952. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 September 2027. Dealer: Mon Motors Cardiff Audi in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-920b5454700d
- 2016 Audi A4 Avant 1.4 TFSI Sport, 148 bhp, manual, petrol, estate, 5 doors, white. Mileage: 115,100 miles. Price: £6,645, reduced by £50 from £6,695 since AskCar first saw it on 25 October 2026, 12 days ago. Fair price: £109 (1%) over the AskCar estimate of £6,536. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 November 2026. Dealer: Used Cars Bristol in Clevedon, 14 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2016-5ed340ee95d7
- 2020 Audi A4 Avant 2.0 TFSI Black Edition, automatic, petrol, estate, 5 doors, white. Mileage: 58,548 miles. Price: £18,995, reduced by £1,000 from £19,995 since AskCar first saw it on 8 September 2026, 59 days ago. Fair price: £413 (2%) over the AskCar estimate of £18,582. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 December 2026. Dealer: T J Car Sales in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-557e4d14058f
- 2018 Audi A4 Avant 1.4 TFSI S Line, 148 bhp, manual, petrol, estate, 5 doors, grey. Mileage: 83,950 miles. Price: £10,490, unchanged since AskCar first saw it on 25 September 2026, 42 days ago. Fair price: £256 (2%) over the AskCar estimate of £10,234. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 March 2027. Dealer: Motorpod in Newport, 10 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2018-0fb5fc3c6a0a
- 2019 Audi A4 Avant 2.0 TFSI S Line, automatic, petrol, estate, 5 doors, black. Mileage: 44,046 miles. Price: £18,995, raised by £1,000 from £17,995 since AskCar first saw it on 16 September 2026, 51 days ago. Fair price: £756 (4%) over the AskCar estimate of £18,239. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 August 2027. Dealer: Winterstoke Motor Company Clevedon in Clevedon, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2019-18b50c86140a
- 2016 Audi A4 Avant 2.0 S Line, 187 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 62,142 miles. Price: £13,895, reduced by £300 from £14,195 since AskCar first saw it on 16 October 2026, 21 days ago. Fair price: £616 (4%) over the AskCar estimate of £13,279. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 July 2027. Dealer: Somerset Motor Company in Weston-super-Mare, 14 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2016-28a18d87d3e0
- 2017 Audi A4 Avant 2.0 TDI ultra S Line, 187 bhp, automatic, diesel, estate, 5 doors, grey. Mileage: 46,000 miles. Price: £16,493, reduced by £1,257 from £17,750 since AskCar first saw it on 5 June 2026, 154 days ago. Fair price: £792 (5%) over the AskCar estimate of £15,701. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 January 2027. Dealer: Vanza in Cardiff, 1 mile from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2017-3366b4b2b633
- 2023 Audi A4 Avant 2.0 TDI S Line, 160 bhp, automatic, diesel, estate, 5 doors, white. Mileage: 22,849 miles. Price: £26,920, reduced by £1,764 from £28,684 since AskCar first saw it on 28 May 2026, 162 days ago. Above the going rate: £1,996 (8%) over the AskCar estimate of £24,924. Euro 6 emissions standard. ULEZ compliant. Dealer: Sinclair Group in Bridgend, 18 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-474796eee489
- 2019 Audi A4 Avant 2.0 TDI Black Edition, automatic, diesel, estate, 5 doors, grey. Mileage: 37,500 miles. Price: £22,500, unchanged since AskCar first saw it on 1 November 2026, 5 days ago. Above the going rate: £1,962 (9%) over the AskCar estimate of £20,538. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 March 2027. Dealer: Mon Motors Cardiff Audi in Cardiff, 5 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2019-9418c51e2bbc
- 2017 Audi A4 Avant 2.0 TFSI S Line, automatic, petrol, estate, 5 doors, silver. Mileage: 42,472 miles. Price: £17,995, unchanged since AskCar first saw it on 4 August 2026, 94 days ago. Above the going rate: £1,769 (10%) over the AskCar estimate of £16,226. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 August 2027. Dealer: Winterstoke Motor Company Clevedon in Clevedon, 16 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2017-116ad6288ef7
- 2015 Audi A4 Avant 2.0 TDI Black Edition, 148 bhp, manual, diesel, estate, 5 doors, red. Mileage: 59,875 miles. Price: £12,790, unchanged since AskCar first saw it on 14 August 2026, 84 days ago. Above the going rate: £2,431 (23%) over the AskCar estimate of £10,359. Euro 5 emissions standard. MOT: valid until 31 January 2027. Dealer: Failand Car Sales in Bristol, 20 miles from Cardiff. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2015-d6caaf6e64fd
Audi A4 Avant across the UK by price
- Under £3,000 (25 cars)
- Under £5,000 (60 cars)
- Under £8,000 (199 cars)
- Under £10,000 (347 cars)
- Under £15,000 (610 cars)
- Under £20,000 (897 cars)
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