2021 BMW X3 M

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

£53,949

Above the going rate: £6,017 over the typical £47,932 for this model, age and mileage, drawing on 132 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
35,000 miles
Year
2021
Fuel type
Petrol
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
503 bhp
Seats
5
CO2
247 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 35,000 miles, approximately 3,200 below the typical mileage for its age. Its asking price of £53,949 is £6,017 above our estimate of £47,932. Our estimate draws on 132 BMW X3 M adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 62 days ago. Its asking price has since fallen by £1,000. Our records show an MOT expiry date of 5 October 2026, which has passed. Ask the dealer for an update. The advertised mileage is consistent with the mileage at its latest MOT. You can find this car at A1 Ortos in Oldham.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 August 2026, 62 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £1,000 from the first recorded £54,949. 2 price reductions recorded, the latest observed on 9 October 2026.

Recorded asking prices
Date observedAsking price
22 August 2026£54,949
19 September 2026£54,449
9 October 2026£53,949
21 October 2026£53,949

Price and mileage comparison

Estimated market asking price: £47,932. The asking price is £6,017 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 132 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,200 miles lower 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 5 October 2026. 31,409 miles at the last test.

25 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 21,328–85,546 miles, compared with 35,000 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