2018 BMW X6

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

£22,495

Fair price: within 8% of the typical £22,679 for this model, age and mileage, drawing on 514 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: 80,600 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

This 2018 BMW X6 M Sport has covered 80,600 miles, around 11,400 more than typical for its age. At £22,495, it is advertised £184 below our estimated market asking price of £22,679. We use UK dealer asking prices, including 514 BMW X6 listings, and account for the car’s age, mileage and specification. It first appeared in our advert records 112 days ago. The seller is Charles Prestige, based in Carterton.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 1 July 2026, 112 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
1 July 2026	£22,495
10 July 2026	£22,495
20 October 2026	£22,495

Price and mileage comparison

Estimated market asking price: £22,679. The asking price is £184 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 514 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 11,400 miles higher than typical for a 2018 BMW X6.

28 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 price	Mileage
£13,995	120,000 miles
£14,899	129,000 miles
£15,748	128,000 miles
£18,745	85,086 miles
£19,175	97,717 miles

These cars have covered 10,000–129,000 miles, compared with 80,600 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

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Dealer

Charles Prestige, Carterton. Across the dealer network: 22 cars for sale.

Dealer postcode: OX18 3HE.

Dealer opening hours

Monday: 09:30-18:00
Tuesday: 09:30-18:00
Wednesday: 09:30-18:00
Thursday: 09:30-18:00
Friday: 09:30-18:00
Saturday: 10:00-16:00
Sunday: Closed