Used Audi A3 for sale under £20,000 near Cardiff
91 cars from UK dealers within 20 miles of Cardiff, updated 26 October 2026. Typical asking price £14,000. Half of them are priced between £9,500 and £16,900.
AskCar lists 579,238 cars from 12,980 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 Cardiff
39 cars within 20 miles 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
- 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, 58,938 miles, £13,860, cut by £1,631, Merthyr Tydfil
- 2023 Audi A3, 42,724 miles, £17,386, cut by £1,613, Weston-super-Mare
- 2023 Audi A3, 21,677 miles, £16,399, cut by £1,600, Cardiff
Cars for sale now
The cheaper cars like each one are on its AskCar page.
- 2021 Audi A3, 32,000 miles, £14,795, £1,772 under typical, Congresbury
- 2020 Audi A3, 22,000 miles, £16,990, £1,620 under typical, Blackwood
- 2019 Audi A3, 61,518 miles, £13,499, £1,253 under typical, Newport
- 2024 Audi A3, 25,327 miles, £16,199, Weston-super-Mare
- 2023 Audi A3, 42,724 miles, £17,386, Weston-super-Mare
- 2023 Audi A3, 28,011 miles, £18,170, Merthyr Tydfil
- 2018 Audi A3, 117,000 miles, £6,995, Cardiff
- 2023 Audi A3, 24,689 miles, £16,000, Lympsham
- 2018 Audi A3, 34,000 miles, £11,795, Clevedon
- 2018 Audi A3, 54,416 miles, £12,980, Newport
- 2024 Audi A3, 23,657 miles, £16,737, Weston-super-Mare
- 2018 Audi A3, 74,756 miles, £8,999, Tonypandy
- 2023 Audi A3, 19,424 miles, £17,400, Bridgend
- 2023 Audi A3, 34,062 miles, £19,635, Lympsham
- 2021 Audi A3, 33,794 miles, £18,315, Weston-super-Mare
- 2023 Audi A3, 16,022 miles, £18,849, Newport
- 2021 Audi A3, 39,502 miles, £18,149, Newport
- 2017 Audi A3, 46,134 miles, £10,850, Newport
- 2019 Audi A3, 27,500 miles, £16,495, Newport
- 2015 Audi A3, 101,000 miles, £6,290, Cwmbran
- 2021 Audi A3, 43,783 miles, £16,640, Cardiff
- 2015 Audi A3, 111,982 miles, £6,995, Cardiff
- 2023 Audi A3, 17,500 miles, £19,650, Cardiff
- 2020 Audi A3, 43,950 miles, £13,500, Cardiff
- 2020 Audi A3, 62,000 miles, £11,995, Blackwood
- 2023 Audi A3, 58,938 miles, £13,860, Merthyr Tydfil
- 2023 Audi A3, 36,980 miles, £17,799, Newport
- 2022 Audi A3, 25,267 miles, £19,991, Cardiff
- 2022 Audi A3, 37,500 miles, £19,500, Cardiff
- 2019 Audi A3, 70,093 miles, £10,299, Tonypandy
- 2017 Audi A3, 130,000 miles, £9,495, Cardiff
- 2016 Audi A3, 78,000 miles, £9,490, Newport
- 2023 Audi A3, 26,611 miles, £17,405, Lympsham
- 2023 Audi A3, 23,080 miles, £19,180, Bridgend
- 2020 Audi A3, 50,210 miles, £13,999, Cardiff
- 2020 Audi A3, 33,500 miles, £14,199, Newport
- 2018 Audi A3, 47,142 miles, £14,400, Cardiff
- 2015 Audi A3, 130,568 miles, £7,045, Bridgend
- 2019 Audi A3, 51,898 miles, £13,300, Cardiff
- 2019 Audi A3, 41,311 miles, £14,400, Cardiff
- 2023 Audi A3, 65,973 miles, £14,874, Lympsham
- 2021 Audi A3, 56,353 miles, £15,495, Bridgend
- 2023 Audi A3, 24,135 miles, £19,851, Weston-super-Mare
- 2019 Audi A3, 18,891 miles, £13,999, Newport
- 2017 Audi A3, 52,500 miles, £13,799, Newport
- 2023 Audi A3, 21,677 miles, £16,399, Cardiff
- 2018 Audi A3, 51,536 miles, £13,800, Cardiff
- 2019 Audi A3, 94,127 miles, £9,550, Newport
- 2023 Audi A3, 18,687 miles, £16,699, Cardiff
- 2022 Audi A3, 17,921 miles, £17,072, Bridgend
- 2023 Audi A3, 17,999 miles, £18,499, Newport
- 2023 Audi A3, 35,642 miles, £17,895, Bridgend
- 2015 Audi A3, 133,645 miles, £5,995, Cardiff
- 2023 Audi A3, 53,665 miles, £16,395, Bridgend
- 2017 Audi A3, 71,897 miles, £11,290, Newport
- 2020 Audi A3, 42,759 miles, £16,049, Newport
- 2021 Audi A3, 53,000 miles, £15,290, Newport
- 2021 Audi A3, 46,279 miles, £14,275, Talbot Green
- 2015 Audi A3, 72,632 miles, £8,295, Cardiff
- 2016 Audi A3, 105,000 miles, £8,490, Abertillery
- 2023 Audi A3, 48,641 miles, £19,481, Bridgend
- 2011 Audi A3, 169,415 miles, £2,995, Ferndale
- 2016 Audi A3, 59,200 miles, £10,990, Newport
- 2023 Audi A3, 24,292 miles, £19,990, Bridgend
- 2019 Audi A3, 24,650 miles, £17,450, Cardiff
- 2022 Audi A3, 57,201 miles, £15,999, Tonypandy
- 2017 Audi A3, 40,917 miles, £10,995, Aberdare
- 2020 Audi A3, 50,100 miles, £16,198, Bridgend
- 2017 Audi A3, 115,000 miles, £7,495, Blackwood
- 2011 Audi A3, 45,000 miles, £6,995, Cardiff
- 2016 Audi A3, 70,400 miles, £10,990, Newport
- 2019 Audi A3, 50,554 miles, £13,350, Newport
- 2024 Audi A3, 22,533 miles, £18,699, Tonypandy
- 2015 Audi A3, 79,000 miles, £8,790, Bristol
- 2013 Audi A3, 102,000 miles, £4,999, Clevedon
- 2022 Audi A3, 61,869 miles, £17,990, Newport
- 2015 Audi A3, 50,081 miles, £9,990, Barry
- 2017 Audi A3, 110,422 miles, £8,495, Abertillery
- 2017 Audi A3, 73,500 miles, £12,490, Newport
- 2017 Audi A3, 96,834 miles, £10,495, Cwmbran
- 2021 Audi A3, 63,297 miles, £15,999, Tonypandy
- 2018 Audi A3, 45,000 miles, £13,495, Congresbury
- 2013 Audi A3, 127,750 miles, £5,495, Congresbury
- 2011 Audi A3, 86,500 miles, £3,995, Congresbury
- 2016 Audi A3, 95,000 miles, £7,491, Pontypridd
- 2013 Audi A3, 89,999 miles, £7,995, Aberdare
- 2006 Audi A3, 56,500 miles, £3,495, Congresbury
- 2010 Audi A3, 98,133 miles, £4,995, Ystrad Mynach
- 2018 Audi A3, 57,000 miles, £9,495, Cowbridge
- 2014 Audi A3, 122,750 miles, £4,495, Congresbury
- 2021 Audi A3, 52,000 miles, £15,995, Weston-super-Mare
Audi A3 near Cardiff by price
Audi A3 across the UK by price
- Under £3,000 (123)
- Under £5,000 (305)
- Under £8,000 (893)
- Under £10,000 (1,384)
- Under £15,000 (2,446)
- Under £20,000 (4,150)
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