Used BMW X3 for sale near Boston
There are 15 used BMW X3 for sale from UK dealers within 20 miles of Boston on AskCar, as of 8 November 2026. Typical asking price £24,000 (the median: half cost less, half cost more). The cheapest is £5,999. AskCar lists 3,134 used BMW X3 across the UK, from 1,223 dealerships.
The middle half of the 15 cars are priced between £17,500 and £39,500.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Boston
4 of the 15 BMW X3 within 20 miles of Boston had their price reduced in the last 14 days to 8 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 3,033 priced BMW X3 adverts on AskCar as of 8 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.
- 2026 BMW X3 2.0 M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 13,179 miles. Price: £46,475, reduced by £5,500 from £51,975 since AskCar first saw it on 31 July 2026, 100 days ago. Fair price: £1,655 (3%) under the AskCar estimate of £48,130. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-054f2719e590
- 2014 BMW X3 2.0, manual, diesel, SUV, 5 doors, white. Mileage: 109,000 miles. Price: £6,995, unchanged since AskCar first saw it on 24 October 2026, 15 days ago. Fair price: £237 (3%) under the AskCar estimate of £7,232. Dealer: Fulletby Motors (2002) in Horncastle, 18 miles from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2014-dca82ccc7a48
- 2020 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 41,282 miles. Price: £22,975, reduced by £1,000 from £23,975 since AskCar first saw it on 18 September 2026, 51 days ago. Fair price: £700 (2%) under the AskCar estimate of £23,675. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 February 2027. Dealer: MINI UK at Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-c446ba47bc89
- 2021 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 51,834 miles. Price: £23,995, unchanged since AskCar first saw it on 3 November 2026, 5 days ago. Fair price: £565 (2%) under the AskCar estimate of £24,560. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 September 2027. Dealer: Grainger Motor Group in Spalding, 12 miles from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-6c8795cb5390
- 2016 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 80,011 miles. Price: £11,990, reduced by £1,500 from £13,490 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £281 (2%) under the AskCar estimate of £12,271. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 3 November 2026; ask the dealer for the current MOT. Dealer: JDC Vehicle Sales in Boston, 6 miles from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2016-5944b8166473
- 2015 BMW X3 2.0 20d SE, 187 bhp, manual, diesel, estate, 5 doors, white. Mileage: 126,120 miles. Price: £5,999, reduced by £400 from £6,399 since AskCar first saw it on 25 September 2026, 44 days ago. Fair price: £68 (1%) under the AskCar estimate of £6,067. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 August 2027. Dealer: Boston Car Center in Boston, 0 miles from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2015-c53c05d740ce
- 2015 BMW X3 2.0 20d SE, 187 bhp, manual, diesel, estate, 5 doors, white. Mileage: 125,975 miles. Price: £6,399, reduced by £400 from £6,399 since AskCar first saw it on 25 September 2026, 44 days ago. Fair price: £68 (1%) under the AskCar estimate of £6,067. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 August 2027. Dealer: Boston Car Center in Boston, 0 miles from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2015-5624ea1bf5a0
- 2023 BMW X3 2.0 20d MHT M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 36,084 miles. Price: £32,475, reduced by £500 from £32,975 since AskCar first saw it on 7 October 2026, 32 days ago. Fair price: £22 (under 1%) under the AskCar estimate of £32,497. Euro 6 emissions standard. ULEZ compliant. Dealer: MINI UK at Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-58485be5e36e
- 2022 BMW X3 2.0 20i MHT M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 34,742 miles. Price: £30,975, reduced by £2,000 from £32,975 since AskCar first saw it on 28 August 2026, 72 days ago. Fair price: £156 (under 1%) over the AskCar estimate of £30,819. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2022-caa7259ac179
- 2022 BMW X3 2.0 20i MHT M Sport, 181 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 34,763 miles. Price: £30,975, reduced by £2,000 from £32,975 since AskCar first saw it on 28 August 2026, 72 days ago. Fair price: £159 (under 1%) over the AskCar estimate of £30,816. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 29 September 2026; ask the dealer for the current MOT. Dealer: MINI UK at Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2022-6fb0d0bd32cc
- 2026 BMW X3 2.0 M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 10,471 miles. Price: £48,975, reduced by £5,000 from £53,975 since AskCar first saw it on 31 July 2026, 100 days ago. Fair price: £286 (under 1%) over the AskCar estimate of £48,689. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-cf2722e17f9c
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 13,179 miles. Price: £46,475, reduced by £5,500 from £51,975 since AskCar first saw it on 30 July 2026, 101 days ago. Fair price: £1,041 (2%) over the AskCar estimate of £45,434. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: MINI UK at Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-06248598925a
- 2020 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 48,250 miles. Price: £23,990, unchanged since AskCar first saw it on 27 October 2026, 12 days ago. Fair price: £1,184 (5%) over the AskCar estimate of £22,806. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 October 2027. Dealer: MINI UK at Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-4c8d49b899d3
- 2020 BMW X3 2.0 20d M Sport, 187 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 48,257 miles. Price: £23,990, unchanged since AskCar first saw it on 28 October 2026, 11 days ago. Fair price: £1,185 (5%) over the AskCar estimate of £22,805. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-e62fb6bd4c33
- 2026 BMW X3 2.0 20d MHT M Sport, 194 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 10,471 miles. Price: £48,975, reduced by £5,000 from £53,975 since AskCar first saw it on 30 July 2026, 101 days ago. Fair price: £3,013 (6%) over the AskCar estimate of £45,962. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: MINI UK at Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-x3-2026-1d8b2be13873
BMW X3 across the UK by price
- Under £5,000 (54 cars)
- Under £8,000 (165 cars)
- Under £10,000 (260 cars)
- Under £15,000 (507 cars)
- Under £20,000 (916 cars)
- Under £30,000 (1,657 cars)
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