Used Audi A3 for sale under £20,000 in Wales

148 cars from UK dealers in Wales, updated 27 October 2026. Typical asking price £15,000. Half of them are priced between £11,000 and £17,800.

AskCar lists 581,201 cars from 12,993 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.

Price cuts in Wales

62 cars in Wales have had their price cut since they were first listed.

2018 Audi A3, 57,000 miles, £9,495, cut by £2,500, Cowbridge
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
2022 Audi A3, 23,944 miles, £18,499, cut by £2,150, Haverfordwest
2019 Audi A3, 27,500 miles, £16,495, cut by £2,000, Newport
2023 Audi A3, 28,011 miles, £18,170, cut by £1,821, Merthyr Tydfil
2023 Audi A3, 18,658 miles, £18,280, cut by £1,711, Chester
2023 Audi A3, 16,048 miles, £18,199, cut by £1,700, Swansea

Cars for sale now, page 1 of 2

The cheaper cars like each one are on its AskCar page.

2016 Audi A3, 76,005 miles, £7,890, £913 under typical, Neath
2018 Audi A3, 72,000 miles, £11,995, £1,260 under typical, Swansea
2020 Audi A3, 22,000 miles, £16,990, £1,569 under typical, Blackwood
2019 Audi A3, 61,518 miles, £13,499, £1,198 under typical, Newport
2018 Audi A3, 117,000 miles, £6,995, Cardiff
2023 Audi A3, 28,011 miles, £18,170, Merthyr Tydfil
2017 Audi A3, 62,373 miles, £10,995, Bridgend
2013 Audi A3, 143,000 miles, £3,395, Chepstow
2021 Audi A3, 18,246 miles, £19,499, Swansea
2023 Audi A3, 16,048 miles, £18,199, Swansea
2018 Audi A3, 54,416 miles, £12,980, Newport
2018 Audi A3, 47,320 miles, £13,900, Cardiff
2015 Audi A3, 101,000 miles, £6,290, Cwmbran
2018 Audi A3, 74,756 miles, £8,999, Tonypandy
2021 Audi A3, 39,502 miles, £18,049, Newport
2023 Audi A3, 3,694 miles, £19,849, Swansea
2021 Audi A3, 43,783 miles, £16,640, Cardiff
2023 Audi A3, 16,022 miles, £18,799, Newport
2020 Audi A3, 62,000 miles, £11,995, Blackwood
2023 Audi A3, 19,424 miles, £17,400, Bridgend
2023 Audi A3, 18,658 miles, £18,280, Chester
2016 Audi A3, 46,780 miles, £11,999, Swansea
2019 Audi A3, 27,500 miles, £16,495, Newport
2015 Audi A3, 111,982 miles, £6,995, Cardiff
2023 Audi A3, 24,088 miles, £16,549, Swansea
2017 Audi A3, 46,134 miles, £10,850, Newport
2021 Audi A3, 38,204 miles, £16,999, Tredegar
2020 Audi A3, 43,950 miles, £13,500, Cardiff
2020 Audi A3, 33,500 miles, £14,199, Newport
2022 Audi A3, 25,267 miles, £19,991, Cardiff
2020 Audi A3, 29,000 miles, £14,550, Ebbw Vale
2023 Audi A3, 36,980 miles, £17,799, Newport
2023 Audi A3, 58,938 miles, £13,860, Merthyr Tydfil
2016 Audi A3, 78,000 miles, £9,490, Newport
2019 Audi A3, 70,093 miles, £10,299, Tonypandy
2021 Audi A3, 60,108 miles, £16,499, Merthyr Tydfil
2023 Audi A3, 17,500 miles, £19,650, Cardiff
2017 Audi A3, 130,000 miles, £9,495, Cardiff
2019 Audi A3, 64,106 miles, £12,900, Wrexham
2023 Audi A3, 23,080 miles, £19,180, Bridgend
2020 Audi A3, 50,210 miles, £13,999, Cardiff
2023 Audi A3, 25,260 miles, £17,488, Cardiff
2018 Audi A3, 89,241 miles, £10,495, Bridgend
2022 Audi A3, 19,700 miles, £19,995, Llay
2023 Audi A3, 50,833 miles, £17,140, Wrexham
2022 Audi A3, 23,944 miles, £18,499, Haverfordwest
2020 Audi A3, 41,508 miles, £12,444, Neyland
2015 Audi A3, 130,568 miles, £7,045, Bridgend
2022 Audi A3, 7,677 miles, £19,995, Llanelli
2022 Audi A3, 29,944 miles, £16,950, Conwy
2019 Audi A3, 41,311 miles, £14,400, Cardiff
2017 Audi A3, 52,500 miles, £13,799, Newport
2019 Audi A3, 51,898 miles, £13,300, Cardiff
2023 Audi A3, 18,687 miles, £16,499, Cardiff
2021 Audi A3, 56,353 miles, £15,495, Bridgend
2023 Audi A3, 22,548 miles, £19,999, Swansea
2019 Audi A3, 18,891 miles, £13,999, Newport
2021 Audi A3, 30,252 miles, £18,390, Neyland
2020 Audi A3, 54,523 miles, £14,000, Llandudno
2023 Audi A3, 21,677 miles, £16,399, Cardiff
2018 Audi A3, 51,536 miles, £13,800, Cardiff
2022 Audi A3, 39,799 miles, £18,000, Conwy
2019 Audi A3, 94,127 miles, £9,550, Newport
2015 Audi A3, 133,645 miles, £5,995, Cardiff
2022 Audi A3, 17,921 miles, £17,072, Bridgend
2023 Audi A3, 41,887 miles, £16,995, Queensferry
2023 Audi A3, 35,642 miles, £17,895, Bridgend
2022 Audi A3, 36,950 miles, £19,495, Llandudno
2021 Audi A3, 23,219 miles, £18,738, Haverfordwest
2018 Audi A3, 63,632 miles, £11,749, Swansea
2023 Audi A3, 17,999 miles, £18,549, Newport
2019 Audi A3, 38,000 miles, £15,999, Holyhead
2017 Audi A3, 61,035 miles, £12,995, Aberaeron
2024 Audi A3, 23,828 miles, £19,950, Conwy
2022 Audi A3, 63,703 miles, £14,995, Llanelli
2014 Audi A3, 39,998 miles, £9,650, Neath
2018 Audi A3, 48,000 miles, £13,350, Ebbw Vale
2017 Audi A3, 48,156 miles, £13,995, Chester
2023 Audi A3, 53,665 miles, £16,395, Bridgend
2018 Audi A3, 60,500 miles, £10,295, Swansea
2021 Audi A3, 48,339 miles, £18,290, Neyland
2020 Audi A3, 42,759 miles, £16,049, Newport
2023 Audi A3, 30,671 miles, £19,749, Newport
2024 Audi A3, 37,338 miles, £16,850, Neyland
2017 Audi A3, 71,897 miles, £11,290, Newport
2018 Audi A3, 83,590 miles, £10,999, Neath
2018 Audi A3, 34,079 miles, £15,995, Chester
2016 Audi A3, 105,000 miles, £8,490, Abertillery
2023 Audi A3, 47,252 miles, £19,490, Neyland
2022 Audi A3, 47,633 miles, £15,950, Conwy
2017 Audi A3, 24,668 miles, £17,995, Chester
2008 Audi A3, 119,251 miles, £2,295, Flint
2021 Audi A3, 53,000 miles, £15,290, Newport
2021 Audi A3, 46,279 miles, £14,275, Llantrisant
2023 Audi A3, 30,235 miles, £19,890, Neyland
2017 Audi A3, 102,300 miles, £8,990, Brecon
2016 Audi A3, 59,200 miles, £10,990, Newport
2021 Audi A3, 64,644 miles, £15,642, Swansea
2015 Audi A3, 72,632 miles, £8,295, Cardiff
2023 Audi A3, 24,292 miles, £19,990, Bridgend

Under £15,000 (75)

Audi A3 across the UK by price

Under £2,000 (43)
Under £3,000 (126)
Under £5,000 (312)
Under £8,000 (914)
Under £10,000 (1,420)
Under £15,000 (2,504)
Under £20,000 (4,215)

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