2021 BMW X3 2.0 20d M Sport
Version: 2.0 xDrive20d M Sport Auto 4WD Euro 6 5dr (05/20-) (187 bhp)
Price: £21,000. Above the going rate: £1,743 (9%) over the AskCar estimate of £19,257, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,986 priced BMW X3 adverts on AskCar as of 29 October 2026.
AskCar lists 3,088 used BMW X3 from 1,215 UK dealerships, as of 29 October 2026.
Overview
- Make
- BMW
- Model
- X3
- Trim
- M Sport
- Version
- 2.0 xDrive20d M Sport Auto 4WD Euro 6 5dr (05/20-) (187 bhp)
- Mileage
- 89,000 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- SUV
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 187 bhp
- Seats
- 5
- CO2
- 156 g/km
- Colour
- Black
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- 20d
- Emissions standard
- Euro 6
About this car
This 2021 BMW X3 M Sport has covered 89,000 miles, around 39,800 more miles than is typical for its age. The dealer is asking £21,000, which is £1,743 above the AskCar estimate of £19,257. To work out the AskCar estimate, we analyse UK dealer adverts for 2,986 BMW X3 cars across different ages and specifications. We first recorded this car for sale today. MOT records show an expiry date of 30 May 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Warwick BMW, based in Warwick.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £21,000 |
Price and mileage comparison
Above the going rate: £1,743 (9%) over the AskCar estimate of £19,257.
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 2,986 priced BMW X3 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 39,800 miles higher than the median mileage of a 2021 BMW X3 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 30 May 2027. 82,532 miles at the last test.
Other matching cars
111 other 2021 BMW X3 M Sport automatic diesel cars are for sale at UK dealers from £16,295 to £36,500, as of 29 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 111 matching cars have covered 12,230 to 114,230 miles, compared with 89,000 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
More like this
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 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.