2021 BMW X3 2.0 20d MHT M Sport
Price: £25,199. Fair price: £241 (under 1%) over the AskCar estimate of £24,958, 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: 45,407 miles
- Fuel: Diesel, mild hybrid
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 160 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 45,407 miles, this 2021 BMW X3 M Sport has covered about 3,500 fewer miles than other 2021 BMW X3 cars. Priced at £25,199, it is advertised £241 above the AskCar estimate of £24,958. 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 34 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers BMW Stafford, based in Stafford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £241 (under 1%) over the AskCar estimate of £24,958.
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
This 2021 BMW X3 has been on sale for at least 34 days.
Price history
AskCar first saw this advert on 1 October 2026 at £24,999. Its asking price is now £25,199, £200 more.
Price changes recorded:
- 1 October 2026: £24,999
- 4 October 2026: £26,299
- 12 October 2026: £26,199
- 19 October 2026: £26,099
- 25 October 2026: £25,999
- 27 October 2026: £25,899
- 3 November 2026: £25,199
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 31 August 2027.
It has had 3 MOTs. The latest, on 6 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 44,543 miles, which matches the advertised 45,407 miles.
Advertised mileage is about 3,500 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, silver. Mileage: 45,812 miles. Price: £27,995, £2,796 more than this car. Dealer: Group 1 Cambridge BMW in Cambridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-cc6e834d0ca2
- 2021 BMW X3 M Sport, 2.0 diesel SUV, silver. Mileage: 46,000 miles. Price: £28,450, £3,251 more than this car. Dealer: Billington Motor Group in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-1a9ff99aace7
- 2021 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 44,768 miles. Price: £22,905, £2,294 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-dc1b07fd381b
- The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, grey, under a mile from this car. Mileage: 47,000 miles. Price: £24,299, £900 less than this car. Dealer: Lookers BMW Stafford in Stafford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-547ddbf94563
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
More like this
- Used BMW X3 M Sport prices
- Used BMW X3 for sale under £30,000
- Used diesel BMW X3 for sale
- Used BMW X3 for sale near Stafford
Photos
31 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.