2018 BMW X6

3.0 40d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)

£20,000

Fair price: within 8% of the typical £19,125 for this model, age and mileage, drawing on 523 adverts of this make and model.

Overview

Make
BMW
Model
X6
Trim
M SPORT
Version
3.0 40d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
Mileage
90,000 miles
Year
2018
Fuel type
Diesel
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
309 bhp
Seats
5
CO2
165 g/km
Colour
White
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
40d
Emissions standard
Euro 6

About this car

This 2018 BMW X6 M Sport has covered 90,000 miles, around 20,300 more than typical for its age. Our estimated market asking price is £19,125. This car is advertised at £20,000, which is £875 above that figure. The estimate uses 523 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 17 days. MOT records show an expiry date of 24 October 2026, and the latest recorded mileage is consistent with the advert. The seller is Cobham Automotive, based in Cobham.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 6 October 2026, 17 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
6 October 2026£20,000
22 October 2026£20,000

Price and mileage comparison

Estimated market asking price: £19,125. The asking price is £875 above 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 523 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 20,300 miles higher than typical for a 2018 BMW X6.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 24 October 2026. 83,506 miles at the last test.

30 other cars with the same year, trim, gearbox and fuel are for sale from £13,995 to £29,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£13,995120,000 miles
£14,799129,000 miles
£15,748128,000 miles
£18,74585,086 miles
£19,17597,717 miles

These cars have covered 10,000–129,000 miles, compared with 90,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BMW X6 cars for sale · 2018 BMW X6 price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos