2021 BMW X3

Overview

Make

BMW

Model

X3

Trim

M SPORT

Version

3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)

Mileage

92,899 miles

Year

2021

Fuel type

Diesel Hybrid

Body type

SUV

Engine

3.0 L

Gearbox

Automatic

Power

282 bhp

Seats

5

CO2

164 g/km

Colour

Black

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

30d; MHT

Hybrid type

Mild hybrid

Emissions standard

Euro 6

About this car

This 2021 BMW X3 M Sport has covered 92,899 miles, around 43,400 more than typical for its age. The dealer is asking £21,490, which is £428 below our market estimate of £21,918. Our estimate draws on 3,009 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 26 days ago, the asking price has dropped by £1,500. Its recorded MOT is valid until 18 February 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Group 1 Assured Peterborough, based in Peterborough.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £21,918. The asking price is £428 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 3,009 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 43,400 miles higher than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.