2021 BMW X3 2.0 20d MHT M Sport

Price: £22,971. Fair price: £362 (1%) under the AskCar estimate of £23,333, 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 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2021
  • Mileage: 62,000 miles
  • Fuel: Diesel, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 156 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport has covered 62,000 miles, around 13,400 more miles than is typical for its age. The AskCar estimate for this car is £23,333. It is priced at £22,971, which is £362 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. It first appeared in our advert records 30 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at G-Force Motors in Barnsley. 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: £362 (1%) under the AskCar estimate of £23,333.

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 £22,971. 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 2 November 2026: valid until 5 May 2027.

It failed its MOT on 20 April 2026 (nearside rear road wheel fixing missing) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 59,314 miles, which matches the advertised 62,000 miles.

Advertised mileage is about 13,400 miles higher 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, black. Mileage: 62,476 miles. Price: £24,990, £2,019 more than this car. Dealer: Fermanagh Auto Sales in Enniskillen. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-3de60f355caf
  • 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 61,159 miles. Price: £21,400, £1,571 less than this car. Dealer: Sytner Select Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-fef0302b07b3
  • 2021 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 62,847 miles. Price: £23,227, £256 more than this car. Dealer: Carsa Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-b8c21606fbf1
  • The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, silver, 7 miles from this car. Mileage: 55,608 miles. Price: £23,950, £979 more than this car. Dealer: Sandal BMW Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-86f67217be83

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

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Photos

10 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.