2021 BMW X3 M

Overview

Make

BMW

Model

X3 M

Trim

COMPETITION

Version

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

Mileage

34,000 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 34,000 miles, around 4,200 fewer than typical for its age. At £42,990, it is advertised £5,198 below our estimated market asking price of £48,188. The estimate uses 132 UK dealer adverts for the BMW X3 M, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 63 days ago. Its asking price has since fallen by £500. It may give you a starting point for a conversation about price. MOT records show an expiry date of 27 April 2027, and the latest recorded mileage is consistent with the advert. The seller is Bedford Car Centres, based in Bedford.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £48,188. The asking price is £5,198 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 132 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 4,200 miles lower than typical for a 2021 BMW X3 M.

The advertised mileage is consistent with the last MOT reading.