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

18,707 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

White

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

20d; MHT

Hybrid type

Mild hybrid

Emissions standard

Euro 6

About this car

With 18,707 miles on the clock, this 2021 BMW X3 M Sport has done roughly 29,700 fewer miles than a typical 2021 BMW X3. The dealer is asking £26,180, which is £3,372 below our market estimate of £29,552. We use UK dealer asking prices, including 2,970 BMW X3 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 71 days ago, the asking price has dropped by £2,460. Our latest MOT record expired on 12 August 2026. Check the current position with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. The seller is Big Motoring World Norwich, based in Norwich.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £29,552. The asking price is £3,372 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 29,700 miles lower than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.

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