2021 BMW X3

Overview

Make

BMW

Model

X3

Trim

M SPORT

Version

2.0 12kWh 30e M Sport Auto 4WD Euro 6 (s/s) 5dr (288 bhp)

Mileage

84,918 miles

Year

2021

Fuel type

Petrol Plug-in Hybrid

Body type

SUV

Engine

2.0 L

Gearbox

Automatic

Power

288 bhp

Seats

5

CO2

47 g/km

Colour

White

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

30e

Hybrid type

Plug-in hybrid

Emissions standard

Euro 6

About this car

At 84,918 miles, this 2021 BMW X3 M Sport has covered about 36,400 more miles than other 2021 BMW X3 cars. The dealer is asking £20,500, which is £533 below our market estimate of £21,033. We use UK dealer asking prices, including 2,996 BMW X3 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 146 days ago, the asking price has dropped by £1,896. Our latest MOT record expired on 17 October 2026. Check the current position with the dealer. Its advertised mileage is consistent with the latest recorded MOT reading. The seller is Quality Part X Dunstable, based in Dunstable.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £21,033. The asking price is £533 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 2,996 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 36,400 miles higher 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.