2018 BMW X6 3.0 40d M Sport

Price: £22,000. Fair price: £1,645 (6%) under the AskCar estimate of £23,645, 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 xDrive40d M Sport Auto 4WD Euro 6 5dr Step (308 bhp)
  • Year: 2018
  • Mileage: 61,549 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 308 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 183 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X6 M Sport has covered 61,549 miles. The dealer is asking £22,000, which is £1,645 below the AskCar estimate of £23,645. To work out the AskCar estimate, we analyse UK dealer adverts for 536 BMW X6 cars across different ages and specifications. We first saw this car advertised 43 days ago. Its asking price has since fallen by £1,000. The recorded MOT expired on 29 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Hawco Group in Perth. 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: £1,645 (6%) under the AskCar estimate of £23,645.

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 43 days.

Price history

AskCar first saw this advert on 20 September 2026 at £23,000. Its asking price is now £22,000, £1,000 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 20 September 2026: £23,000
  • 14 October 2026: £22,500
  • 27 October 2026: £22,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 29 September 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 30 September 2025, passed.

Advisories at the latest test: offside front seat belt webbing slightly damaged or frayed; offside front tyre slightly damaged; nearside rear nail in tyre.

Mileage at that test: 58,075 miles, which matches the advertised 61,549 miles.

Advertised mileage is about 1,600 miles lower 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, black. Mileage: 60,622 miles. Price: £21,990, the same price as this car. Dealer: Car City UK Catterick in Catterick. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-88e027472d90
  • 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 62,735 miles. Price: £21,222, £778 less than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-60eaed033b7c
  • 2018 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 60,035 miles. Price: £20,985, £1,015 less than this car. Dealer: Grant Specialist Cars in Redditch. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-d9b0591827c9
  • The nearest: 2018 BMW X6 M Sport, 3.0 diesel SUV, black, 52 miles from this car. Mileage: 51,807 miles. Price: £21,990, the same price as this car. Dealer: East Kilbride Used Car Centre in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-27876e8c967d

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

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Photos

29 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.