2021 BMW X3

Overview

Make

BMW

Model

X3

Trim

M SPORT

Version

2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)

Mileage

42,917 miles

Year

2021

Fuel type

Diesel Hybrid

Body type

SUV

Engine

2.0 L

Gearbox

Automatic

Power

187 bhp

Seats

5

CO2

156 g/km

Colour

Black

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

20d; MHT

Hybrid type

Mild hybrid

Emissions standard

Euro 6

About this car

At 42,917 miles, this 2021 BMW X3 M Sport has covered about 5,400 fewer miles than other 2021 BMW X3 cars. Its asking price of £23,799 is £2,341 below our estimate of £26,140. Our estimate draws on 2,970 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 42 days ago, the asking price has dropped by £700. MOT records show an expiry date of 25 February 2027, and the latest recorded mileage is consistent with the advert. The seller is SG Petch Durham, based in Durham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £26,140. The asking price is £2,341 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 2,970 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 5,400 miles lower than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.