2021 BMW X3 2.0 20d MHT M Sport
Version: 2.0 xDrive20d MHT M Sport Auto 4WD Euro 6 5dr Step (187 bhp)
Price: £24,999. Fair price: £560 (2%) under the AskCar estimate of £25,559, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,003 priced BMW X3 adverts on AskCar as of 31 October 2026.
AskCar lists 3,056 used BMW X3 from 1,192 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- X3
- Trim
- M Sport
- Version
- 2.0 xDrive20d MHT M Sport Auto 4WD Euro 6 5dr Step (187 bhp)
- Mileage
- 42,468 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- SUV
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 187 bhp
- Seats
- 5
- CO2
- 160 g/km
- Colour
- White
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- 20d; MHT
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
The advertised mileage for this 2021 BMW X3 M Sport is 42,468 miles. Priced at £24,999, it is advertised £560 below the AskCar estimate of £25,559. The AskCar estimate uses 3,003 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. Ask the dealer why the advert shows fewer miles than the 46,461 recorded at the latest MOT. Its recorded MOT is valid until 14 August 2027. The seller is Stratstone Bmw Leeds, based in Leeds.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £24,999 |
Price and mileage comparison
Fair price: £560 (2%) under the AskCar estimate of £25,559.
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 3,003 priced BMW X3 adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 6,400 miles lower than the median mileage of a 2021 BMW X3 on AskCar.
Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.
MOT
MOT: valid until 14 August 2027. 46,461 miles at the last test.
Other matching cars
113 other 2021 BMW X3 M Sport automatic diesel cars are for sale at UK dealers from £16,295 to £35,995, as of 31 October 2026.
The 5 cheapest:
- 2021 BMW X3. Price: £16,295. Mileage: 114,230 miles. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-410b25cca95f
- 2021 BMW X3. Price: £17,697. Mileage: 100,743 miles. Dealer: Luks Autohaus in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-cd045b7da29b
- 2021 BMW X3. Price: £18,750. Mileage: 85,302 miles. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c82fb953279d
- 2021 BMW X3. Price: £19,100. Mileage: 85,245 miles. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4a99aa1f934e
- 2021 BMW X3. Price: £20,000. Mileage: 87,665 miles. Dealer: Marshall Honda Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-17dfd701d98e
The 113 matching cars have covered 12,230 to 114,230 miles, compared with 42,468 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW X3 cars for sale · 2021 BMW X3 price guide
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Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.