Used BMW 3 Series for sale under £20,000 in Wales

121 cars from UK dealers in Wales, updated 27 October 2026. Typical asking price £12,500. Half of them are priced between £8,800 and £16,600.

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

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

2017 BMW 3 Series, 75,000 miles, £9,340, cut by £1,359, Cardiff
2021 BMW 3 Series, 70,370 miles, £19,250, cut by £1,250, Cardiff
2013 BMW 3 Series, 73,000 miles, £7,295, cut by £1,200, Cardiff
2022 BMW 3 Series, 57,607 miles, £17,560, cut by £1,170, Merthyr Tydfil
2019 BMW 3 Series, 40,794 miles, £17,860, cut by £1,131, Merthyr Tydfil
2021 BMW 3 Series, 81,355 miles, £13,300, cut by £1,130, Cardiff
2018 BMW 3 Series, 57,000 miles, £12,999, cut by £1,000, Swansea
2021 BMW 3 Series, 91,000 miles, £15,995, cut by £1,000, Denbigh

Cars for sale now, page 1 of 2

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

2013 BMW 3 Series, 138,000 miles, £3,495, £1,007 under typical, Chester
2016 BMW 3 Series, 76,204 miles, £8,000, £1,749 under typical, Tonypandy
2008 BMW 3 Series, 74,300 miles, £4,195, £635 under typical, Cardiff
2021 BMW 3 Series, 81,355 miles, £13,300, £1,948 under typical, Cardiff
2004 BMW 3 Series, 158,000 miles, £2,795, £379 under typical, Flint
2015 BMW 3 Series, 90,944 miles, £7,995, £1,064 under typical, Flint
2016 BMW 3 Series, 105,400 miles, £11,995, £1,396 under typical, Newport
2020 BMW 3 Series, 42,750 miles, £19,990, £2,146 under typical, Swansea
2022 BMW 3 Series, 57,607 miles, £17,560, £1,870 under typical, Merthyr Tydfil
2012 BMW 3 Series, 62,200 miles, £5,450, £562 under typical, Swansea
2006 BMW 3 Series, 234,000 miles, £1,495, £151 under typical, Flint
2017 BMW 3 Series, 97,659 miles, £8,490, £839 under typical, Rhyl
2022 BMW 3 Series, 44,291 miles, £18,491, £1,612 under typical, Bridgend
2019 BMW 3 Series, 33,089 miles, £18,995, Chester
2016 BMW 3 Series, 67,173 miles, £8,610, Cardiff
2017 BMW 3 Series, 70,059 miles, £13,690, Newport
2013 BMW 3 Series, 115,450 miles, £3,995, Ystrad Mynach
2016 BMW 3 Series, 20,401 miles, £15,995, Chester
2019 BMW 3 Series, 43,091 miles, £19,990, Wrexham
2019 BMW 3 Series, 55,305 miles, £15,249, Swansea
2017 BMW 3 Series, 40,221 miles, £14,995, Chester
2021 BMW 3 Series, 52,840 miles, £17,991, Cardiff
2017 BMW 3 Series, 75,000 miles, £9,340, Cardiff
2012 BMW 3 Series, 111,000 miles, £3,695, Tredegar
2019 BMW 3 Series, 40,794 miles, £17,860, Merthyr Tydfil
2018 BMW 3 Series, 82,000 miles, £11,990, Newport
2019 BMW 3 Series, 61,000 miles, £16,495, Cardiff
2019 BMW 3 Series, 80,984 miles, £12,990, Newport
2016 BMW 3 Series, 78,589 miles, £9,780, Wrexham
2018 BMW 3 Series, 102,000 miles, £9,695, Chepstow
2021 BMW 3 Series, 76,600 miles, £15,900, Cardiff
2019 BMW 3 Series, 57,064 miles, £19,999, Bridgend
2022 BMW 3 Series, 92,939 miles, £17,999, Merthyr Tydfil
2014 BMW 3 Series, 57,000 miles, £10,195, Chester
2017 BMW 3 Series, 100,000 miles, £6,495, Cardiff
2018 BMW 3 Series, 95,691 miles, £16,490, Newport
2013 BMW 3 Series, 88,000 miles, £8,090, Cwmbran
2021 BMW 3 Series, 65,119 miles, £16,995, Bridgend
2015 BMW 3 Series, 68,608 miles, £8,999, Tonypandy
2022 BMW 3 Series, 58,812 miles, £18,999, Tonypandy
2016 BMW 3 Series, 51,024 miles, £16,988, Cardiff
2020 BMW 3 Series, 113,258 miles, £12,399, Cardiff
2018 BMW 3 Series, 57,000 miles, £12,999, Swansea
2021 BMW 3 Series, 94,222 miles, £15,990, Newport
2021 BMW 3 Series, 97,000 miles, £14,554, Caldicot
2019 BMW 3 Series, 56,000 miles, £16,799, Holyhead
2019 BMW 3 Series, 71,971 miles, £15,699, Newport
2018 BMW 3 Series, 42,000 miles, £16,590, Newport
2014 BMW 3 Series, 111,100 miles, £5,000, Chepstow
2021 BMW 3 Series, 55,773 miles, £19,999, Newport
2012 BMW 3 Series, 78,000 miles, £5,446, Barry
2019 BMW 3 Series, 87,500 miles, £12,990, Newport
2015 BMW 3 Series, 47,000 miles, £12,795, Mold
2018 BMW 3 Series, 69,079 miles, £12,290, Newport
2019 BMW 3 Series, 59,000 miles, £19,490, Newport
2018 BMW 3 Series, 101,000 miles, £10,991, Swansea
2015 BMW 3 Series, 80,400 miles, £9,490, Newport
2012 BMW 3 Series, 60,567 miles, £6,999, Tonypandy
2015 BMW 3 Series, 89,500 miles, £7,995, Caldicot
2021 BMW 3 Series, 53,525 miles, £19,795, Newtown
2013 BMW 3 Series, 108,900 miles, £5,750, Chepstow
2021 BMW 3 Series, 87,565 miles, £14,995, Cardiff
2016 BMW 3 Series, 59,630 miles, £9,790, Newport
2017 BMW 3 Series, 42,000 miles, £10,995, Colwyn Bay
2018 BMW 3 Series, 101,000 miles, £8,000, Cwmbran
2017 BMW 3 Series, 101,261 miles, £8,799, Newport
2014 BMW 3 Series, 68,358 miles, £9,990, Newport
2006 BMW 3 Series, 118,947 miles, £2,494, Cardiff
2018 BMW 3 Series, 43,661 miles, £16,991, Cardiff
2013 BMW 3 Series, 73,000 miles, £7,295, Cardiff
2020 BMW 3 Series, 81,000 miles, £17,990, Newport
2017 BMW 3 Series, 99,000 miles, £12,491, Swansea
2021 BMW 3 Series, 78,590 miles, £17,995, Carmarthen
2017 BMW 3 Series, 59,000 miles, £16,995, Hawarden
2021 BMW 3 Series, 85,096 miles, £17,999, Swansea
2013 BMW 3 Series, 89,000 miles, £9,995, Swansea
2017 BMW 3 Series, 66,290 miles, £18,690, Gorseinon
2018 BMW 3 Series, 87,000 miles, £12,790, Newport
2021 BMW 3 Series, 108,000 miles, £15,200, Cardiff
2018 BMW 3 Series, 89,678 miles, £8,950, Bridgend
2018 BMW 3 Series, 55,200 miles, £12,490, Newport
2018 BMW 3 Series, 75,000 miles, £13,995, Colwyn Bay
2020 BMW 3 Series, 70,802 miles, £19,798, Conwy
2021 BMW 3 Series, 91,000 miles, £15,995, Denbigh
2012 BMW 3 Series, 79,446 miles, £6,995, Cardiff
2014 BMW 3 Series, 112,000 miles, £4,996, Barry
2017 BMW 3 Series, 82,500 miles, £8,790, Newport
2017 BMW 3 Series, 68,000 miles, £11,995, Colwyn Bay
2019 BMW 3 Series, 87,900 miles, £18,500, Cardiff
2017 BMW 3 Series, 85,000 miles, £10,750, Port Talbot
2015 BMW 3 Series, 68,238 miles, £7,499, Tonypandy
2014 BMW 3 Series, 56,000 miles, £9,491, Swansea
2018 BMW 3 Series, 70,999 miles, £15,995, Llanelli
2015 BMW 3 Series, 57,567 miles, £15,940, Barry
2019 BMW 3 Series, 73,998 miles, £19,995, Abertillery
2014 BMW 3 Series, 40,918 miles, £13,495, Chester
2018 BMW 3 Series, 68,195 miles, £13,999, Merthyr Tydfil
2019 BMW 3 Series, 65,460 miles, £18,490, Brecon
2021 BMW 3 Series, 70,370 miles, £19,250, Cardiff
2019 BMW 3 Series, 103,156 miles, £15,995, Cwmbran

Under £8,000 (27)
Under £10,000 (46)
Under £15,000 (78)
Under £30,000 (167)

BMW 3 Series across the UK by price

Under £2,000 (34)
Under £3,000 (117)
Under £5,000 (485)
Under £8,000 (1,181)
Under £10,000 (1,701)
Under £15,000 (2,689)
Under £20,000 (3,901)
Under £30,000 (5,659)

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