2021 BMW X3 2.0 20d MHT M Sport
Price: £24,499. Fair price: £1,236 (4%) under the AskCar estimate of £25,735, 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 xDrive20d MHT M Sport Auto 4WD Euro 6 5dr Step (187 bhp)
- Year: 2021
- Mileage: 39,500 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 has covered 39,500 miles, around 9,100 fewer miles than is typical for its age. The AskCar estimate for this car is £25,735. It is priced at £24,499, which is £1,236 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. We first recorded this car for sale 7 days ago. Its advertised mileage matches the government's MOT record. The seller is Fords Of Winsford Car Supermarket, based in Winsford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,236 (4%) under the AskCar estimate of £25,735.
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 7 days.
Price history
AskCar first saw this advert on 26 October 2026 at £23,899. Its asking price is now £24,499, £600 more.
Price changes recorded:
- 26 October 2026: £23,899
- 27 October 2026: £24,599
- 31 October 2026: £24,499
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 October 2027.
It failed its MOT on 16 October 2026 (nearside headlamp aim too low; offside headlamp aim too low) and passed later the same day.
Advisories at the latest test: nearside rear tyre has a cut but not deep enough to reach the ply or cords; offside rear tyre has a cut but not deep enough to reach the ply or cords.
Mileage at that test: 39,242 miles, which matches the advertised 39,500 miles.
Advertised mileage is about 9,100 miles lower 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, grey. Mileage: 39,287 miles. Price: £26,750, £2,251 more than this car. Dealer: North Oxford Bmw in Oxford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-026c7d138989
- 2021 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 39,805 miles. Price: £27,995, £3,496 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, blue. Mileage: 41,103 miles. Price: £25,950, £1,451 more than this car. Dealer: Heartys of Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-589d190699a2
- The nearest: 2021 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 52,680 miles. Price: £23,799, £700 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-15e343dee05c
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
More like this
Photos
42 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.