2018 BMW X6

3.0 M Sport Auto 4WD Euro 6 5dr (308 bhp)

£19,950

Fair price: within 8% of the typical £21,611 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 M Sport Auto 4WD Euro 6 5dr (308 bhp)
Mileage
85,000 miles
Year
2018
Fuel type
Diesel
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
308 bhp
Seats
5
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
40d
Emissions standard
Euro 6

About this car

With 85,000 miles on the clock, this 2018 BMW X6 M Sport has done roughly 15,300 more miles than a typical 2018 BMW X6. The dealer is asking £19,950, which is £1,661 below our market estimate of £21,611. To estimate its market asking price, we analyse UK dealer adverts for 523 BMW X6 cars across different ages and specifications. We have tracked this advert for 7 days. The seller is Best4U Motors, based in Brentwood.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 October 2026, 7 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
22 October 2026£19,950

Price and mileage comparison

Estimated market asking price: £21,611. The asking price is £1,661 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 523 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 15,300 miles higher than typical for a 2018 BMW X6.

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 85,000 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

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