2021 BMW X3 2.0 20d MHT M Sport
Price: £26,744. Fair price: £578 (2%) under the AskCar estimate of £27,322, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,034 priced BMW X3 adverts on AskCar as of 4 November 2026.
AskCar lists 3,115 used BMW X3 from 1,212 UK dealerships, as of 4 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: 27,983 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: 160 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 27,983 miles, this 2021 BMW X3 M Sport has covered about 20,900 fewer miles than other 2021 BMW X3 cars. The dealer is asking £26,744, which is £578 below the AskCar estimate of £27,322. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. It first appeared in our advert records 3 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Vertu BMW Teesside in Stockton-on-Tees. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £578 (2%) under the AskCar estimate of £27,322.
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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.
A 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,500: the median of the 174 for sale on AskCar, as of 4 November 2026.
Time on sale
AskCar first saw this 2021 BMW X3 advertised 3 days ago. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 142 of the 303 first advertised between 13 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 1 November 2026 at £26,744. 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 4 November 2026: valid until 27 January 2027.
It failed its MOT on 13 January 2026 (nearside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.
There were no advisories at the latest test.
Mileage at that test: 24,843 miles, which matches the advertised 27,983 miles.
Advertised mileage is about 20,900 miles lower than the median mileage of a 2021 BMW X3 on AskCar.
Similar cars
95 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 4 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 27,860 miles. Price: £25,330, £1,414 less than this car. Dealer: Marshall BMW Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-b1b468899db5
- 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 28,487 miles. Price: £26,449, £295 less than this car. Dealer: Lloyd Motor Group in Aberdeen. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-40ce5a6e9fe7
- 2021 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 28,487 miles. Price: £26,449, £295 less than this car. Dealer: Lloyd South Lakes BMW in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-fba4128c002e
- The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, grey, 16 miles from this car. Mileage: 56,529 miles. Price: £23,500, £3,244 less than this car. Dealer: Swale Auto Sales II in Richmond. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-2883a15d2685
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
More like this
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Photos
54 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.