2021 BMW X3 M

3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)

£52,488

Above the going rate: £8,590 over the typical £43,898 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
52,000 miles
Year
2021
Fuel type
Petrol
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
503 bhp
Seats
5
CO2
262 g/km
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 has covered 52,000 miles, around 13,800 more than typical for its age. The dealer is asking £52,488, which is £8,590 above our market estimate of £43,898. We use UK dealer asking prices, including 128 BMW X3 M listings, and account for the car’s age, mileage and specification. It first appeared in our advert records 149 days ago. The recorded MOT expired on 27 June 2026, so ask the dealer whether it has been renewed. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. It is for sale at Auto Group in Brent.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 149 days ago. Advert duration calculated on 24 October 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£43,988
2 June 2026£52,488
6 July 2026£52,488
22 October 2026£52,488

Price and mileage comparison

Estimated market asking price: £43,898. The asking price is £8,590 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 128 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 13,800 miles higher than typical for a 2021 BMW X3 M.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 27 June 2026. 33,196 miles at the last test.

23 other cars with the same year, trim, gearbox and fuel are for sale from £36,000 to £57,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£36,00085,546 miles
£39,99560,994 miles
£39,99562,137 miles
£40,99547,300 miles
£41,99557,000 miles

These cars have covered 23,000–85,546 miles, compared with 52,000 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

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