2018 BMW X6 3.0 40d M Sport

Price: £22,495. Fair price: £158 (under 1%) under the AskCar estimate of £22,653, our expected asking price for this car from its model, age, mileage and specification, drawing on 536 priced BMW X6 adverts on AskCar as of 2 November 2026.

AskCar lists 550 used BMW X6 from 384 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: X6
  • Trim: M Sport
  • Version: 3.0 M Sport Auto 4WD Euro 6 5dr (308 bhp)
  • Year: 2018
  • Mileage: 80,600 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 308 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X6 M Sport has covered 80,600 miles, around 17,500 more miles than is typical for its age. Priced at £22,495, it is advertised £158 below the AskCar estimate of £22,653. The AskCar estimate uses UK dealer asking prices, including 536 BMW X6 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 124 days ago. The seller is Charles Prestige, based in Carterton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £158 (under 1%) under the AskCar estimate of £22,653.

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 536 priced BMW X6 adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW X6 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 52 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW X6 has been on sale for at least 124 days.

Price history

AskCar first saw this advert on 1 July 2026 at £22,495. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 17,500 miles higher than the median mileage of a 2018 BMW X6 on AskCar.

Similar cars

31 other 2018 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £13,995 to £29,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 80,000 miles. Price: £20,995, £1,500 less than this car. Dealer: CarPlex in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-da7170bf0af9
  • 2018 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 78,946 miles. Price: £18,995, £3,500 less than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-bd36ff41d0d3
  • 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 78,940 miles. Price: £19,995, £2,500 less than this car. Dealer: Parkland Motors in Costock. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-5ca2d82b8549
  • The nearest: 2018 BMW X6 M Sport, 3.0 diesel SUV, white, 37 miles from this car. Mileage: 60,035 miles. Price: £20,985, £1,510 less than this car. Dealer: Grant Specialist Cars in Redditch. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-d9b0591827c9

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

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Photos

25 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.