2021 BMW X3 M
3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
£39,995
Fair price: within 8% of the typical £41,423 for this model, age and mileage, drawing on 128 adverts of this make and model.
Overview
- Make
- BMW
- Model
- X3 M
- Trim
- COMPETITION
- Version
- 3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
- Mileage
- 62,137 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 503 bhp
- Seats
- 5
- Colour
- White
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- Competition
- Emissions standard
- Euro 6
About this car
At 62,137 miles, this 2021 BMW X3 M Competition has covered about 23,900 more miles than other 2021 BMW X3 M cars. The dealer is asking £39,995, which is £1,428 below our market estimate of £41,423. We use UK dealer asking prices, including 128 BMW X3 M listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 109 days ago. The seller is AR Motor Group, based in Blackburn.
Stock data from 22 October 2026.
Price history
First seen on 6 July 2026, 109 days ago. Advert duration calculated on 23 October 2026.
| Date observed | Asking price |
|---|---|
| 6 July 2026 | £39,995 |
| 22 October 2026 | £39,995 |
Price and mileage comparison
Estimated market asking price: £41,423. The asking price is £1,428 below this estimate.
The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.
The pricing calculation includes 128 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 23,900 miles higher than typical for a 2021 BMW X3 M.
23 other cars with the same year, trim, gearbox and fuel are for sale from £36,000 to £57,995.
| Asking price | Mileage |
|---|---|
| £36,000 | 85,546 miles |
| £39,995 | 60,994 miles |
| £40,995 | 47,300 miles |
| £41,995 | 57,000 miles |
| £42,060 | 43,979 miles |
These cars have covered 23,000–85,546 miles, compared with 62,137 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.
Browse all BMW X3 M cars for sale · 2021 BMW X3 M price guide
How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.