2021 BMW X3 2.0 20d MHT M Sport

Price: £24,474. Fair price: £1,714 (6%) under the AskCar estimate of £26,188, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,052 priced BMW X3 adverts on AskCar as of 7 November 2026.

AskCar lists 3,156 used BMW X3 from 1,227 UK dealerships, as of 7 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2021
  • Mileage: 39,895 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport has covered 39,895 miles, around 7,600 fewer miles than is typical for its age. Its asking price of £24,474 is £1,714 below the AskCar estimate of £26,188. The AskCar estimate uses UK dealer asking prices, including 3,052 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. You can find this car at Carsa Cannock in Cannock Chase. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,714 (6%) under the AskCar estimate of £26,188.

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 3,052 priced BMW X3 adverts across different ages and specifications, as of 7 November 2026.

A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,500: the median of the 175 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2021 BMW X3 advertised 1 day ago. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 145 of the 311 first advertised between 13 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £24,474. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 2 January 2027.

It has had 3 MOTs. The latest, on 18 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 33,695 miles, which matches the advertised 39,895 miles.

Advertised mileage is about 7,600 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

98 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 7 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 39,805 miles. Price: £27,995, £3,521 more than this car. Dealer: Comiskey Motors in Newry. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4a74ba95a5eb
  • 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 39,500 miles. Price: £24,099, £375 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bc0574d64edc
  • 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 39,287 miles. Price: £25,950, £1,476 more than this car. Dealer: North Oxford Bmw in Oxford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-026c7d138989
  • The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, grey, under a mile from this car. Mileage: 34,720 miles. Price: £25,650, £1,176 more than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-15acc3c55011

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

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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.