Used BMW X3 for sale near Merthyr Tydfil
There are 8 used BMW X3 for sale from UK dealers within 20 miles of Merthyr Tydfil on AskCar, as of 9 November 2026. The cheapest is £11,491. AskCar lists 3,127 used BMW X3 across the UK, from 1,220 dealerships.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Merthyr Tydfil
2 of the 8 BMW X3 within 20 miles of Merthyr Tydfil had their price reduced in the last 14 days to 9 November 2026. Each one's 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 3,046 priced BMW X3 adverts on AskCar as of 9 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 X3 3.0 30d M Sport, 261 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 72,199 miles. Price: £22,490, reduced by £500 from £22,990 since AskCar first saw it on 18 August 2026, 83 days ago. Fair price: £457 (1%) under the AskCar estimate of £22,947. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 April 2027. Dealer: Auto Unit in Newport, 19 miles from Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-2a75623604fd
- 2022 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 41,000 miles. Price: £29,705, unchanged since AskCar first saw it on 3 November 2026, 6 days ago. Fair price: £435 (1%) under the AskCar estimate of £30,140. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 October 2027. Dealer: Mon Motors Volvo Cars Cardiff in Cardiff, 18 miles from Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/bmw-x3-2022-08296eb121d7
- 2016 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 92,944 miles. Price: £11,491, reduced by £500 from £11,991 since AskCar first saw it on 30 September 2026, 40 days ago. Fair price: £298 (2%) over the AskCar estimate of £11,193. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 August 2027. Dealer: Greenaway Autos in Pontypridd, 13 miles from Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/bmw-x3-2016-3520f838bd25
- 2023 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 48,000 miles. Price: £31,990, unchanged since AskCar first saw it on 16 October 2026, 24 days ago. Fair price: £923 (2%) over the AskCar estimate of £31,067. Euro 6 emissions standard. ULEZ compliant. Dealer: Auto Unit in Newport, 19 miles from Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-011424140764
- 2018 BMW X3 2.0, diesel, white. Mileage: 90,244 miles. Price: £14,489, reduced by £10 from £14,499 since AskCar first saw it on 29 October 2026, 11 days ago. Fair price: £526 (3%) over the AskCar estimate of £13,963. MOT: valid until 12 June 2027. Dealer: Dragon Motor Group in Bridgend, 19 miles from Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a0f37f205c54
- 2019 BMW X3 3.0 M40d, 322 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 45,261 miles. Price: £31,495, unchanged since AskCar first saw it on 5 September 2026, 65 days ago. Fair price: £1,582 (5%) over the AskCar estimate of £29,913. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 March 2027. Dealer: Motoring WAY in Abertillery, 10 miles from Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/bmw-x3-2019-7be642278f28
- 2016 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 36,000 miles. Price: £17,695, unchanged since AskCar first saw it on 11 October 2026, 29 days ago. Above the going rate: £1,479 (9%) over the AskCar estimate of £16,216. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 September 2027. Dealer: Springvale Car Sales in Cwmbran, 15 miles from Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/bmw-x3-2016-7a48d3d0fa07
- 2015 BMW X3 2.0 20d SE, 187 bhp, automatic, diesel, SUV, 5 doors, red. Mileage: 19,935 miles. Price: £15,991, reduced by £1,000 from £16,991 since AskCar first saw it on 19 October 2026, 21 days ago. Above the going rate: £2,630 (19%) over the AskCar estimate of £13,361. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 August 2027. Dealer: Greenaway Autos in Pontypridd, 13 miles from Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/bmw-x3-2015-df2b857bc2ae
BMW X3 across the UK by price
- Under £5,000 (53 cars)
- Under £8,000 (162 cars)
- Under £10,000 (259 cars)
- Under £15,000 (509 cars)
- Under £20,000 (916 cars)
- Under £30,000 (1,654 cars)
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