Used BMW X3 for sale near Carmarthen
There are 3 used BMW X3 for sale from UK dealers within 20 miles of Carmarthen on AskCar, as of 7 November 2026. The cheapest is £19,995. AskCar lists 3,156 used BMW X3 across the UK, from 1,227 dealerships.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Carmarthen
1 of the 3 BMW X3 within 20 miles of Carmarthen had its price reduced in the last 14 days to 7 November 2026. Its line in the list below says by how much.
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 3,052 priced BMW X3 adverts on AskCar as of 7 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.
- 2023 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 7,178 miles. Price: £33,500, reduced by £3,450 from £36,950 since AskCar first saw it on 28 May 2026, 163 days ago. Good value: £4,688 (12%) under the AskCar estimate of £38,188. Euro 6 emissions standard. ULEZ compliant. Dealer: Sinclair Direct Swansea in Swansea, 18 miles from Carmarthen. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-dcffbd1af131
- 2022 BMW X3 2.0 20i MHT M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, white. Mileage: 47,600 miles. Price: £28,990, unchanged since AskCar first saw it on 24 October 2026, 14 days ago. Fair price: £236 (under 1%) over the AskCar estimate of £28,754. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 March 2027. Dealer: jjmotors in Llanelli, 13 miles from Carmarthen. AskCar page: https://askcar.co.uk/car/bmw-x3-2022-b547f49d15cf
- 2020 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, silver. Mileage: 75,000 miles. Price: £19,995, unchanged since AskCar first saw it on 6 November 2026, 1 day ago. Fair price: £529 (2%) under the AskCar estimate of £20,524. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 February 2027. Dealer: Ross Car Sales in Swansea, 15 miles from Carmarthen. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-3f614694f7a0
BMW X3 across the UK by price
- Under £5,000 (52 cars)
- Under £8,000 (164 cars)
- Under £10,000 (260 cars)
- Under £15,000 (511 cars)
- Under £20,000 (916 cars)
- Under £30,000 (1,666 cars)
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