2021 BMW X3
3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)
£38,994
Fair price: within 8% of the typical £38,649 for this model, age and mileage, drawing on 2,889 adverts of this make and model.
Overview
- Make
- BMW
- Model
- X3
- Version
- 3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)
- Mileage
- 25,862 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 354 bhp
- Seats
- 5
- CO2
- 207 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Emissions standard
- Euro 6
About this car
This 2021 BMW X3 has covered 25,862 miles, around 23,600 fewer than typical for its age. At £38,994, it is advertised £345 above our estimated market asking price of £38,649. To estimate its market asking price, we analyse UK dealer adverts for 2,889 BMW X3 cars across different ages and specifications. We first saw this car advertised 45 days ago. Its asking price has since fallen by £860. The latest MOT record shows an expiry date of 5 February 2027, with the advertised mileage consistent with the recorded reading. It is advertised by BMW Park Lane in London.
Stock data from 23 October 2026.
Price history
First seen on 11 September 2026, 45 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £860 from the first recorded £39,854. 2 price reductions recorded, the latest observed on 21 October 2026.
| Date observed | Asking price |
|---|---|
| 11 September 2026 | £39,854 |
| 15 October 2026 | £39,104 |
| 21 October 2026 | £38,994 |
| 23 October 2026 | £38,994 |
Price and mileage comparison
Estimated market asking price: £38,649. The asking price is £345 above 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 2,889 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 23,600 miles lower than typical for a 2021 BMW X3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 5 February 2027. 23,666 miles at the last test.
12 other cars with the same year, trim, gearbox and fuel are for sale from £28,946 to £37,490.
| Asking price | Mileage |
|---|---|
| £28,946 | 71,000 miles |
| £29,980 | 78,707 miles |
| £29,999 | 77,000 miles |
| £30,500 | 49,250 miles |
| £30,970 | 64,000 miles |
These cars have covered 24,019–78,707 miles, compared with 25,862 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 cars for sale · 2021 BMW X3 price guide
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Vehicle photos
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