2018 BMW X6 3.0 30d M Sport Edition

Price: £21,790. Fair price: £114 (under 1%) over the AskCar estimate of £21,676, our expected asking price for this car from its model, age, mileage and specification, drawing on 547 priced BMW X6 adverts on AskCar as of 5 November 2026.

AskCar lists 563 used BMW X6 from 394 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: X6
  • Trim: M Sport Edition
  • Version: 3.0 30d M Sport Edition Auto 4WD Euro 6 (s/s) 5dr (254 bhp)
  • Year: 2018
  • Mileage: 68,800 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 254 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 Edition is advertised with 68,800 miles, approximately 5,600 above the typical mileage for its age. The dealer is asking £21,790, which is £114 above the AskCar estimate of £21,676. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. We first recorded this car for sale 39 days ago. The government's MOT record matches its advertised mileage. You can find this car at Hanar Cars (UK) in Hoddesdon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £114 (under 1%) over the AskCar estimate of £21,676.

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 547 priced BMW X6 adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW X6 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 53 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW X6 has been on sale for at least 39 days.

Price history

AskCar first saw this advert on 27 September 2026 at £21,790. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 5 July 2027.

It has had 6 MOTs. The latest, on 4 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 67,174 miles, which matches the advertised 68,800 miles.

Advertised mileage is about 5,600 miles higher than the median mileage of a 2018 BMW X6 on AskCar.

Similar cars

11 other 2018 BMW X6 M Sport Edition 3.0 diesel automatic SUVs are for sale at UK dealers, from £17,450 to £29,950, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW X6 M Sport Edition, 3.0 diesel SUV, blue. Mileage: 72,227 miles. Price: £19,995, £1,795 less than this car. Dealer: Lloyd Select Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-cda76844c593
  • 2018 BMW X6 M Sport Edition, 3.0 diesel SUV, black. Mileage: 61,229 miles. Price: £25,990, £4,200 more than this car. Dealer: 5th Gear Motor Company in Orpington. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-de13c407ede6
  • 2018 BMW X6 M Sport Edition, 3.0 diesel SUV, white. Mileage: 60,769 miles. Price: £22,448, £658 more than this car. Dealer: Trade Drive Motors in Bedford. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-cd9abe2b9a70
  • The nearest: 2018 BMW X6 M Sport Edition, 3.0 diesel SUV, white, under a mile from this car. Mileage: 59,650 miles. Price: £22,490, £700 more than this car. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-450e568ca2bd

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

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Photos

49 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.