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 2 of 2
The cheaper cars like each one are on its AskCar page.
- 2012 BMW 3 Series, 135,000 miles, £3,999, Newport
- 2013 BMW 3 Series, 90,379 miles, £9,290, Newport
- 2019 BMW 3 Series, 43,117 miles, £17,500, Cardiff
- 2013 BMW 3 Series, 21,748 miles, £11,995, Chester
- 2014 BMW 3 Series, 70,000 miles, £11,995, Colwyn Bay
- 2021 BMW 3 Series, 79,999 miles, £18,990, Newport
- 2016 BMW 3 Series, 119,100 miles, £5,995, Cwmbran
- 2014 BMW 3 Series, 36,345 miles, £14,995, Chester
- 2018 BMW 3 Series, 86,000 miles, £9,995, Sarn
- 2016 BMW 3 Series, 16,458 miles, £14,490, Aberdare
- 2018 BMW 3 Series, 88,000 miles, £11,995, Colwyn Bay
- 2016 BMW 3 Series, 57,000 miles, £11,995, Colwyn Bay
- 2017 BMW 3 Series, 104,000 miles, £12,750, Port Talbot
- 2016 BMW 3 Series, 64,000 miles, £11,995, Colwyn Bay
- 2012 BMW 3 Series, 79,800 miles, £9,995, Chester
- 2010 BMW 3 Series, 125,000 miles, £4,995, Cardiff
- 2014 BMW 3 Series, 106,631 miles, £7,999, Newport
- 2016 BMW 3 Series, 93,000 miles, £9,495, Colwyn Bay
- 2016 BMW 3 Series, 78,500 miles, £19,995, Chester
- 2007 BMW 3 Series, 33,222 miles, £3,490, Flint
- 2013 BMW 3 Series, £5,795, Chepstow
BMW 3 Series in Wales by price
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)
More in Wales
- All used cars in Wales
- Nissan Qashqai (526)
- Volkswagen Golf (513)
- Ford Transit Custom (510)
- Ford Fiesta (453)
- Volkswagen Polo (444)
- Ford Puma (426)
- Vauxhall Corsa (407)
- Ford Kuga (405)
- Nissan Juke (368)
- Ford Focus (363)
- Kia Sportage (362)
- Volkswagen Tiguan (268)
More BMW
- All BMW 3 Series
- All BMW cars
- BMW 1 Series (7,200)
- BMW 3 Series (7,038)
- BMW X5 (3,284)
- BMW X3 (3,030)
- BMW 5 Series (2,832)
- BMW X1 (2,570)
- BMW 2 Series (1,859)
- BMW 4 Series (1,789)
- BMW 2 Series Gran Coupe (1,284)
- BMW 4 Series Gran Coupe (1,179)
- BMW i4 (836)
- BMW 2 Series Active Tourer (812)
- BMW M3 (812)
- BMW X2 (771)
- BMW M4 (762)