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

69,229 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

Grey

Doors

5

Driven wheels

Four Wheel Drive

Engine badge

20d

Emissions standard

Euro 6

About this car

With 69,229 miles on the clock, this 2018 BMW X3 M Sport has done roughly 5,800 more miles than a typical 2018 BMW X3. At £18,385, it is advertised £89 below our estimated market asking price of £18,474. The estimate uses 2,996 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 124 days ago. Its asking price has since fallen by £600. The time on sale and price change could be useful context when negotiating. Its recorded MOT is valid until 27 February 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Bayer Car Sales, based in Fareham.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £18,474. The asking price is £89 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 5,800 miles higher than typical for a 2018 BMW X3.

The advertised mileage is consistent with the last MOT reading.