Used Audi A3 for sale under £20,000 near Swansea
34 cars from UK dealers within 20 miles of Swansea, updated 23 October 2026. Typical asking price £16,700. Half of them are priced between £11,600 and £19,100.
AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.
Price cuts near Swansea
13 cars within 20 miles have had their price cut since they were first listed.
- 2023 Audi A3, 23,080 miles, £19,180, cut by £2,499, Bridgend
- 2022 Audi A3, 17,921 miles, £17,072, cut by £2,463, Bridgend
- 2023 Audi A3, 16,048 miles, £18,399, cut by £1,500, Swansea
- 2021 Audi A3, 18,246 miles, £19,499, cut by £1,500, Swansea
- 2022 Audi A3, 63,703 miles, £14,995, cut by £1,300, Llanelli
- 2021 Audi A3, 64,644 miles, £15,642, cut by £1,140, Swansea
- 2023 Audi A3, 3,694 miles, £19,849, cut by £950, Swansea
- 2014 Audi A3, 39,998 miles, £9,650, cut by £840, Neath
Cars for sale now
The cheaper cars like each one are on its AskCar page.
- 2023 Audi A3, 16,048 miles, £18,399, £2,941 under typical, Swansea
- 2016 Audi A3, 76,005 miles, £7,890, £911 under typical, Neath
- 2021 Audi A3, 18,246 miles, £19,499, Swansea
- 2023 Audi A3, 19,424 miles, £17,400, Bridgend
- 2023 Audi A3, 3,694 miles, £19,849, Swansea
- 2016 Audi A3, 46,780 miles, £11,999, Swansea
- 2017 Audi A3, 62,373 miles, £11,495, Bridgend
- 2018 Audi A3, 89,241 miles, £10,495, Bridgend
- 2023 Audi A3, 23,080 miles, £19,180, Bridgend
- 2021 Audi A3, 56,353 miles, £15,495, Bridgend
- 2022 Audi A3, 17,921 miles, £17,072, Bridgend
- 2023 Audi A3, 22,548 miles, £19,999, Swansea
- 2023 Audi A3, 35,642 miles, £17,895, Bridgend
- 2022 Audi A3, 63,703 miles, £14,995, Llanelli
- 2022 Audi A3, 7,677 miles, £19,995, Llanelli
- 2015 Audi A3, 130,568 miles, £7,045, Bridgend
- 2023 Audi A3, 24,088 miles, £17,249, Swansea
- 2023 Audi A3, 53,665 miles, £16,395, Bridgend
- 2018 Audi A3, 63,632 miles, £11,749, Swansea
- 2014 Audi A3, 39,998 miles, £9,650, Neath
- 2018 Audi A3, 83,590 miles, £10,999, Neath
- 2023 Audi A3, 48,641 miles, £19,481, Bridgend
- 2021 Audi A3, 64,644 miles, £15,642, Swansea
- 2020 Audi A3, 45,399 miles, £17,499, Swansea
- 2018 Audi A3, 60,500 miles, £10,295, Swansea
- 2023 Audi A3, 24,292 miles, £19,990, Bridgend
- 2016 Audi A3, 41,878 miles, £12,995, Port Talbot
- 2022 Audi A3, 22,267 miles, £19,978, Swansea
- 2017 Audi A3, 64,000 miles, £8,995, Swansea
- 2018 Audi A3, 75,000 miles, £11,995, Swansea
- 2013 Audi A3, 109,000 miles, £7,995, Port Talbot
- 2023 Audi A3, 59,414 miles, £16,999, Swansea
- 2023 Audi A3, 37,216 miles, £19,991, Swansea
- 2022 Audi A3, 28,789 miles, £18,791, Swansea
Audi A3 near Swansea by price
Audi A3 across the UK by price
- Under £3,000 (121)
- Under £5,000 (302)
- Under £8,000 (886)
- Under £10,000 (1,390)
- Under £15,000 (2,474)
- Under £20,000 (4,216)
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