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

50,516 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

White

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

30d; MHT

Hybrid type

Mild hybrid

Emissions standard

Euro 6

About this car

At 50,516 miles, this 2021 BMW X3 M Sport has covered about 2,200 more miles than other 2021 BMW X3 cars. The dealer is asking £29,390, which is £108 below our market estimate of £29,498. 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 40 days ago, the asking price has dropped by £400. Its recorded MOT is valid until 20 August 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Phantom Motor Company, based in Wigan.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £29,498. The asking price is £108 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 2,200 miles higher than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.