2021 BMW X3 2.0 20d MHT M Sport
Price: £21,995. Fair price: £1,850 (7%) under the AskCar estimate of £23,845, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,076 priced BMW X3 adverts on AskCar as of 5 November 2026.
AskCar lists 3,143 used BMW X3 from 1,230 UK dealerships, as of 5 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: 52,926 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: 160 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 BMW X3 M Sport is advertised with 52,926 miles, approximately 4,000 above the typical mileage for its age. The AskCar estimate for this car is £23,845. It is priced at £21,995, which is £1,850 below that estimate. The AskCar estimate draws on 3,076 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. The seller is Park's Motor Group Kia Bathgate, based in West Lothian. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £1,850 (7%) under the AskCar estimate of £23,845.
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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.
A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,400: the median of the 177 for sale on AskCar, as of 5 November 2026.
Time on sale
AskCar first saw this 2021 BMW X3 advertised today. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 144 of the 306 first advertised between 13 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £21,995. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 4,000 miles higher 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 5 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 52,882 miles. Price: £25,890, £3,895 more than this car. Dealer: Fermanagh Auto Sales in Enniskillen. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-d908e59846a7
- 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 52,800 miles. Price: £25,750, £3,755 more than this car. Dealer: Reynolds Motor Group Southend-on-sea in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-33a77f1dc82c
- 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 52,680 miles. Price: £23,799, £1,804 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-15e343dee05c
- The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, white, 17 miles from this car. Mileage: 47,104 miles. Price: £24,995, £3,000 more than this car. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-f6188ad76bcc
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
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As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.