Used BMW 3 Series for sale near Carmarthen
There are 5 used BMW 3 Series for sale from UK dealers within 20 miles of Carmarthen on AskCar, as of 10 November 2026. The cheapest is £6,995. AskCar lists 7,127 used BMW 3 Series across the UK, from 2,713 dealerships.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 6,864 priced BMW 3 Series adverts on AskCar as of 10 November 2026.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2020 BMW 3 Series 2.0 330e M Sport, 288 bhp, automatic, plug-in hybrid (petrol), estate, 5 doors, black. Mileage: 42,750 miles. Price: £19,990, unchanged since AskCar first saw it on 20 October 2026, 21 days ago. Good value: £1,875 (8%) under the AskCar estimate of £21,865. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 22 September 2026; ask the dealer for the current MOT. Dealer: Six Ways Car Sales in Swansea, 16 miles from Carmarthen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-3ec29c9f81f0
- 2017 BMW 3 Series 3.0 330d M Sport, 254 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 66,290 miles. Price: £18,690, reduced by £559 from £19,249 since AskCar first saw it on 27 August 2026, 75 days ago. Fair price: £1,083 (6%) over the AskCar estimate of £17,607. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 December 2026. Dealer: Celtic Auto Group in Gorseinon, 18 miles from Carmarthen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2017-f671c0e469bd
- 2021 BMW 3 Series 2.0 330e M Sport PRO Edition, 288 bhp, automatic, plug-in hybrid (petrol), saloon, 4 doors, grey. Mileage: 85,096 miles. Price: £17,999, unchanged since AskCar first saw it on 14 July 2026, 119 days ago. Fair price: £1,147 (6%) over the AskCar estimate of £16,852. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 26 June 2026; ask the dealer for the current MOT. Dealer: Victoria Road Motors in Swansea, 18 miles from Carmarthen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-98416b75bc08
- 2018 BMW 3 Series 2.0 320d M Sport Shadow Edition, 187 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 70,999 miles. Price: £15,995, unchanged since AskCar first saw it on 16 October 2026, 25 days ago. Above the going rate: £1,440 (9%) over the AskCar estimate of £14,555. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 January 2027. Dealer: Llanelli Motor Company in Llanelli, 14 miles from Carmarthen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-075759b3f91c
- 2016 BMW 3 Series 2.0 320i M Sport, 181 bhp, manual, petrol, saloon, 4 doors, blue. Mileage: 111,000 miles. Price: £6,995, unchanged since AskCar first saw it on 6 November 2026, 4 days ago. Fair price: £542 (7%) under the AskCar estimate of £7,537. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 January 2027. Dealer: Ross Car Sales in Swansea, 15 miles from Carmarthen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2016-3102ea113148
BMW 3 Series across the UK by price
- Under £2,000 (29 cars)
- Under £3,000 (120 cars)
- Under £5,000 (496 cars)
- Under £8,000 (1,179 cars)
- Under £10,000 (1,709 cars)
- Under £15,000 (2,717 cars)
- Under £20,000 (3,994 cars)
- Under £30,000 (5,798 cars)
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