2021 BMW X3 M
3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
£42,060
Fair price: within 8% of the typical £45,590 for this model, age and mileage, drawing on 122 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
- 43,979 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 503 bhp
- Seats
- 5
- CO2
- 261 g/km
- Colour
- Grey
- 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 43,979 miles, approximately 6,300 above the typical mileage for its age. At £42,060, it is advertised £3,530 below our estimated market asking price of £45,590. To estimate its market asking price, we analyse UK dealer adverts for 122 BMW X3 M cars across different ages and specifications. Since we first spotted the advert 56 days ago, the asking price has dropped by £930. MOT records show an expiry date of 6 April 2027, and the latest recorded mileage is consistent with the advert. The seller is Evans Halshaw Ford Coatbridge, based in Coatbridge.
Stock data from 23 October 2026.
Price history
First seen on 29 August 2026, 56 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £930 from the first recorded £42,990. 3 price reductions recorded, the latest observed on 29 September 2026.
| Date observed | Asking price |
|---|---|
| 29 August 2026 | £42,990 |
| 2 September 2026 | £42,510 |
| 16 September 2026 | £42,450 |
| 29 September 2026 | £42,060 |
| 23 October 2026 | £42,060 |
Price and mileage comparison
Estimated market asking price: £45,590. The asking price is £3,530 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 122 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 6,300 miles higher than typical for a 2021 BMW X3 M.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 6 April 2027. 39,081 miles at the last test.
20 other cars with the same year, trim, gearbox and fuel are for sale from £39,995 to £54,500.
| Asking price | Mileage |
|---|---|
| £39,995 | 60,994 miles |
| £39,995 | 62,137 miles |
| £40,995 | 47,300 miles |
| £41,995 | 57,000 miles |
| £42,990 | 30,200 miles |
These cars have covered 23,000–62,137 miles, compared with 43,979 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
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- 2021 BMW X3 M photo 19
- 2021 BMW X3 M photo 20
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