Used Audi A4 for sale near Swansea
There are 12 used Audi A4 for sale from UK dealers within 20 miles of Swansea on AskCar, as of 8 November 2026. Typical asking price £18,200 (the median: half cost less, half cost more). The cheapest is £9,491. AskCar lists 1,461 used Audi A4 across the UK, from 964 dealerships.
The middle half of the 12 cars are priced between £14,800 and £22,000.
As of 8 November 2026, AskCar lists 595,762 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 Swansea
5 of the 12 Audi A4 within 20 miles of Swansea had their price reduced in the last 14 days to 8 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 1,408 priced Audi A4 adverts on AskCar as of 8 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.
- 2018 Audi A4 1.4 TFSI S Line, 148 bhp, manual, petrol, saloon, 4 doors, white. Mileage: 80,000 miles. Price: £9,491, unchanged since AskCar first saw it on 9 October 2026, 30 days ago. Fair price: £266 (2%) under the AskCar estimate of £9,758. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 June 2027. Dealer: Fabian Motor Company in Swansea, 3 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2018-f2be500228b1
- 2024 Audi A4 2.0 TFSI Black Edition, 147 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 29,288 miles. Price: £22,791, reduced by £1,656 from £24,447 since AskCar first saw it on 2 October 2026, 37 days ago. Fair price: £274 (1%) under the AskCar estimate of £23,065. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2024-a6f8a051d21c
- 2023 Audi A4 2.0 TFSI Technik, 147 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 29,341 miles. Price: £17,499, reduced by £900 from £18,399 since AskCar first saw it on 13 October 2026, 26 days ago. Fair price: £184 (1%) under the AskCar estimate of £17,683. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 7 October 2027. Dealer: Motorpoint Swansea in Swansea, 2 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2023-24b3b19e05cc
- 2017 Audi A4 1.4 TFSI Sport, 148 bhp, manual, petrol, saloon, 4 doors, black. Mileage: 44,220 miles. Price: £10,499, unchanged since AskCar first saw it on 15 October 2026, 24 days ago. Fair price: £178 (1%) over the AskCar estimate of £10,321. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 August 2027. Dealer: Corner Park Swansea in Swansea, 2 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2017-1303eebcc3cc
- 2021 Audi A4 2.0 TFSI Sport Edition, 147 bhp, manual, petrol, saloon, 4 doors. Mileage: 40,949 miles. Price: £16,999, reduced by £500 from £17,499 since AskCar first saw it on 30 October 2026, 9 days ago. Fair price: £360 (2%) over the AskCar estimate of £16,639. Euro 6 emissions standard. ULEZ compliant. Dealer: Saxon Automobiles in Neath, 4 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2021-f0354a82c4fd
- 2023 Audi A4 2.0 TDI S Line, 160 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 33,156 miles. Price: £22,249, unchanged since AskCar first saw it on 12 October 2026, 27 days ago. Fair price: £1,439 (6%) over the AskCar estimate of £20,810. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 August 2027. Dealer: Days Motorpark in Swansea, 2 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2023-11edade14694
- 2024 Audi A4 2.0 TDI S Line, 160 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 6,282 miles. Price: £27,499, reduced by £3,434 from £30,933 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £1,797 (6%) over the AskCar estimate of £25,702. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sinclair Group in Bridgend, 18 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2024-b616ec59fc55
- 2023 Audi A4 2.0 TDI S Line, 160 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 35,626 miles. Price: £21,999, unchanged since AskCar first saw it on 12 October 2026, 27 days ago. Fair price: £1,467 (7%) over the AskCar estimate of £20,532. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 September 2027. Dealer: Days Motorpark in Swansea, 2 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2023-e86ece71c515
- 2023 Audi A4 2.0 TFSI Technik, 147 bhp, automatic, petrol, saloon, 4 doors, grey. Mileage: 30,994 miles. Price: £18,999, unchanged since AskCar first saw it on 27 September 2026, 42 days ago. Above the going rate: £1,461 (8%) over the AskCar estimate of £17,538. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 September 2027. Dealer: Days Motorpark in Swansea, 2 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2023-b55d811d1b02
- 2019 Audi A4 2.0 TDI S Line, 187 bhp, automatic, diesel, saloon, 4 doors, blue. Mileage: 38,345 miles. Price: £19,495, reduced by £500 from £19,995 since AskCar first saw it on 25 September 2026, 44 days ago. Above the going rate: £1,889 (10%) over the AskCar estimate of £17,606. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 January 2027. Dealer: Pontardawe Car Sales in Port Talbot, 7 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2019-34ddfd29cea8
- 2017 Audi A4 1.4 TFSI Black Edition, 148 bhp, manual, petrol, saloon, 4 doors, white. Mileage: 66,999 miles. Price: £13,495, unchanged since AskCar first saw it on 25 September 2026, 44 days ago. Above the going rate: £1,776 (15%) over the AskCar estimate of £11,719. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 January 2027. Dealer: Llanelli Motor Company in Llanelli, 10 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2017-4d82928452e9
- 2021 Audi A4 2.0 TFSI Sport Edition, 147 bhp, automatic, petrol, saloon, 4 doors, white. Mileage: 76,864 miles. Price: £15,220, unchanged since AskCar first saw it on 31 October 2026, 8 days ago. Fair price: £660 (4%) over the AskCar estimate of £14,560. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 August 2027. Dealer: Sinclair Group in Bridgend, 18 miles from Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2021-f28230602cb7
Audi A4 across the UK by price
- Under £3,000 (34 cars)
- Under £5,000 (101 cars)
- Under £8,000 (303 cars)
- Under £10,000 (458 cars)
- Under £15,000 (792 cars)
- Under £20,000 (1,162 cars)
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