2021 BMW X3 2.0 20i M Sport
Version: 2.0 xDrive20i M Sport Auto 4WD Euro 6 5dr (181 bhp)
Price: £24,750. Fair price: £37 (under 1%) under the AskCar estimate of £24,787, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,993 priced BMW X3 adverts on AskCar as of 30 October 2026.
AskCar lists 3,047 used BMW X3 from 1,191 UK dealerships, as of 30 October 2026.
Overview
- Make
- BMW
- Model
- X3
- Trim
- M Sport
- Version
- 2.0 xDrive20i M Sport Auto 4WD Euro 6 5dr (181 bhp)
- Mileage
- 56,500 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 5
- CO2
- 178 g/km
- Colour
- Blue
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- 20i
- Emissions standard
- Euro 6
About this car
At 56,500 miles, this 2021 BMW X3 M Sport has covered about 7,600 more miles than other 2021 BMW X3 cars. The dealer is asking £24,750, which is £37 below the AskCar estimate of £24,787. To work out the AskCar estimate, we analyse UK dealer adverts for 2,993 BMW X3 cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 8 September 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Swansea MINI, based in Swansea.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £24,750 |
Price and mileage comparison
Fair price: £37 (under 1%) under the AskCar estimate of £24,787.
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 2,993 priced BMW X3 adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 7,600 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 8 September 2027. 54,352 miles at the last test.
Other matching cars
24 other 2021 BMW X3 M Sport automatic petrol cars are for sale at UK dealers from £17,995 to £31,771, as of 30 October 2026.
The 5 cheapest:
- 2021 BMW X3. Price: £17,995. Mileage: 105,470 miles. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-04bdaa521d48
- 2021 BMW X3. Price: £23,499. Mileage: 51,300 miles. Dealer: Wiltshire & Sons Farnham in Farnham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-bf81c66f6056
- 2021 BMW X3. Price: £23,995. Mileage: 73,500 miles. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-7f3684521ad5
- 2021 BMW X3. Price: £24,495. Mileage: 62,000 miles. Dealer: Carite in Swindon. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-c92dc6d1d472
- 2021 BMW X3. Price: £24,995. Mileage: 42,100 miles. Dealer: FJ Chalke - Nissan, Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-14a70a4a96c1
The 24 matching cars have covered 17,120 to 105,470 miles, compared with 56,500 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
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.