2021 BMW X3 M
3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
£43,495
Fair price: within 8% of the typical £43,664 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
- 53,000 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 503 bhp
- Seats
- 5
- Colour
- Black
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- Competition
- Emissions standard
- Euro 6
About this car
This 2021 BMW X3 M Competition is advertised with 53,000 miles, approximately 14,800 above the typical mileage for its age. Its asking price of £43,495 is £169 below our estimate of £43,664. Our estimate draws on 128 BMW X3 M adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 27 days. It is advertised by Sharman Group in Manchester.
Stock data from 22 October 2026.
Price history
First seen on 26 September 2026, 27 days ago. Advert duration calculated on 23 October 2026.
| Date observed | Asking price |
|---|---|
| 26 September 2026 | £43,495 |
| 22 October 2026 | £43,495 |
Price and mileage comparison
Estimated market asking price: £43,664. The asking price is £169 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 14,800 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 |
| £39,995 | 62,137 miles |
| £40,995 | 47,300 miles |
| £41,995 | 57,000 miles |
These cars have covered 23,000–85,546 miles, compared with 53,000 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.
Vehicle photos
- 2021 BMW X3 M photo 1
- 2021 BMW X3 M photo 2
- 2021 BMW X3 M photo 3
- 2021 BMW X3 M photo 4
- 2021 BMW X3 M photo 5
- 2021 BMW X3 M photo 6
- 2021 BMW X3 M photo 7
- 2021 BMW X3 M photo 8
- 2021 BMW X3 M photo 9
- 2021 BMW X3 M photo 10
- 2021 BMW X3 M photo 11
- 2021 BMW X3 M photo 12
- 2021 BMW X3 M photo 13
- 2021 BMW X3 M photo 14
- 2021 BMW X3 M photo 15
- 2021 BMW X3 M photo 16
- 2021 BMW X3 M photo 17
- 2021 BMW X3 M photo 18
- 2021 BMW X3 M photo 19
- 2021 BMW X3 M photo 20
- 2021 BMW X3 M photo 21
- 2021 BMW X3 M photo 22
- 2021 BMW X3 M photo 23
- 2021 BMW X3 M photo 24
- 2021 BMW X3 M photo 25
- 2021 BMW X3 M photo 26
- 2021 BMW X3 M photo 27
- 2021 BMW X3 M photo 28
- 2021 BMW X3 M photo 29
- 2021 BMW X3 M photo 30
- 2021 BMW X3 M photo 31
- 2021 BMW X3 M photo 32
- 2021 BMW X3 M photo 33
- 2021 BMW X3 M photo 34
- 2021 BMW X3 M photo 35
AskCar lists 588,092 cars from 13,071 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.