2018 BMW X3 3.0 30d M Sport

Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)

Price: £25,000. Fair price: £793 (3%) over the AskCar estimate of £24,207, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,003 priced BMW X3 adverts on AskCar as of 31 October 2026.

AskCar lists 3,056 used BMW X3 from 1,192 UK dealerships, as of 31 October 2026.

Overview

Make
BMW
Model
X3
Trim
M Sport
Version
3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
Mileage
48,712 miles
Year
2018
Fuel type
Diesel
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
261 bhp
Seats
5
CO2
157 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
30d
Emissions standard
Euro 6

About this car

At 48,712 miles, this 2018 BMW X3 M Sport has covered about 15,700 fewer miles than other 2018 BMW X3 cars. Its asking price of £25,000 is £793 above the AskCar estimate of £24,207. To work out the AskCar estimate, we analyse UK dealer adverts for 3,003 BMW X3 cars across different ages and specifications. Since we first spotted the advert 50 days ago, the asking price has dropped by £2,000. The latest recorded MOT expiry date is 23 September 2026, which has passed. Confirm its status with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. The seller is Sytner Warwick BMW, based in Warwick.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 11 September 2026, 50 days ago. Price reduced by £2,000 from £27,000 since AskCar first saw it. 3 price reductions recorded, the latest seen on 27 October 2026.

Recorded asking prices
Date observedAsking price
11 September 2026£27,000
29 September 2026£26,000
13 October 2026£25,500
27 October 2026£25,000
31 October 2026£25,000

Price and mileage comparison

Fair price: £793 (3%) over the AskCar estimate of £24,207.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 3,003 priced BMW X3 adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 15,700 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: the latest record we hold ran out on 23 September 2026; ask the dealer for the current MOT. 43,123 miles at the last test.

Other matching cars

125 other 2018 BMW X3 M Sport automatic diesel cars are for sale at UK dealers from £13,250 to £29,950, as of 31 October 2026.

The 5 cheapest:

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all BMW X3 cars for sale · 2018 BMW X3 price guide

More like this

Photos

32 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.