2018 BMW X6 3.0 30d M Sport

Price: £20,490. Fair price: £338 (1%) under the AskCar estimate of £20,828, 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 xDrive30d M Sport Auto 4WD Euro 6 5dr Step (254 bhp)
  • Year: 2018
  • Mileage: 76,400 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 254 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 183 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X6 M Sport has covered 76,400 miles, around 13,300 more miles than is typical for its age. Its asking price of £20,490 is £338 below the AskCar estimate of £20,828. The AskCar estimate uses 536 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 32 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Motorlanka in Stourbridge. 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: £338 (1%) under the AskCar estimate of £20,828.

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 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £20,490. 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 2 November 2026: valid until 18 February 2027.

It has had 4 MOTs. The latest, on 19 February 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 74,085 miles, which matches the advertised 76,400 miles.

Advertised mileage is about 13,300 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, black. Mileage: 76,900 miles. Price: £21,389, £899 more than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-c174b72c4856
  • 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 77,000 miles. Price: £20,290, £200 less than this car. Dealer: Fish Motors in Bolton. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-b64e9a849910
  • 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 78,940 miles. Price: £19,995, £495 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, black, 13 miles from this car. Mileage: 128,000 miles. Price: £15,748, £4,742 less than this car. Dealer: UP Prestige in Bridgnorth. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-a09314e1c6f5

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

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Photos

40 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.