2021 BMW X3 2.0 20d MHT M Sport

Price: £25,099. Fair price: £1,975 (7%) under the AskCar estimate of £27,074, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,992 priced BMW X3 adverts on AskCar as of 2 November 2026.

AskCar lists 3,072 used BMW X3 from 1,209 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 xDrive20d MHT M Sport Auto 4WD Euro 6 5dr Step (187 bhp)
  • Year: 2021
  • Mileage: 29,902 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 160 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 29,902 miles, this 2021 BMW X3 M Sport has covered about 18,700 fewer miles than other 2021 BMW X3 cars. The AskCar estimate for this car is £27,074. It is priced at £25,099, which is £1,975 below that estimate. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 30 days ago, the asking price has dropped by £1,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Fords of Winsford Manchester, based in Manchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,975 (7%) under the AskCar estimate of £27,074.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,600: the median of the 174 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £26,399. Its asking price is now £25,099, £1,300 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 3 October 2026: £26,399
  • 4 October 2026: £26,099
  • 8 October 2026: £25,999
  • 12 October 2026: £25,799
  • 17 October 2026: £25,599
  • 27 October 2026: £25,199
  • 31 October 2026: £25,099

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 September 2027.

It has had 3 MOTs. The latest, on 28 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,780 miles, which matches the advertised 29,902 miles.

Advertised mileage is about 18,700 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

97 other 2021 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,295 to £35,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 29,825 miles. Price: £28,990, £3,891 more than this car. Dealer: Group 1 Norwich BMW in Norwich. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-7dc3758813fa
  • 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 30,844 miles. Price: £27,381, £2,282 more than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-52bd90793c3b
  • 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 28,487 miles. Price: £26,749, £1,650 more than this car. Dealer: Lloyd Motor Group in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-40ce5a6e9fe7
  • The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, white, under a mile from this car. Mileage: 63,764 miles. Price: £23,890, £1,209 less than this car. Dealer: Williams Bmw Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bb5d2a99c17b

Browse all BMW X3 cars for sale · 2021 BMW X3 price guide

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Photos

29 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.