2018 BMW X3

Overview

Make

BMW

Model

X3

Trim

M SPORT

Version

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

Mileage

35,110 miles

Year

2018

Fuel type

Diesel

Body type

SUV

Engine

2.0 L

Gearbox

Automatic

Power

187 bhp

Seats

5

CO2

144 g/km

Colour

White

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

20d

Emissions standard

Euro 6

About this car

This 2018 BMW X3 M Sport is advertised with 35,110 miles, approximately 28,700 below the typical mileage for its age. The dealer is asking £20,850, which is £1,673 below our market estimate of £22,523. Our estimate draws on 2,970 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 28 days ago. Its asking price has since fallen by £600. The latest MOT record shows an expiry date of 19 September 2027, with the advertised mileage consistent with the recorded reading. It is advertised by Car Planet Barnet in New Southgate.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £22,523. The asking price is £1,673 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 28,700 miles lower than typical for a 2018 BMW X3.

The advertised mileage is consistent with the last MOT reading.