2018 BMW X6 3.0 30d M Sport Edition

Price: £23,995. Fair price: £919 (3%) under the AskCar estimate of £24,914, 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: 43,000 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 has covered 43,000 miles, around 20,200 fewer miles than is typical for its age. Priced at £23,995, it is advertised £919 below the AskCar estimate of £24,914. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. This car was first seen in our listings data 10 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Sheering Car Sales in Bishop's Stortford. 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: £919 (3%) under the AskCar estimate of £24,914.

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 10 days.

Price history

AskCar first saw this advert on 26 October 2026 at £23,995. 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 14 November 2026.

It has had 5 MOTs. The latest, on 28 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 38,599 miles, which matches the advertised 43,000 miles.

Advertised mileage is about 20,200 miles lower 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, white. Mileage: 50,596 miles. Price: £23,990, the same price as this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-5f38457fc77c
  • 2018 BMW X6 M Sport Edition, 3.0 diesel SUV, black. Mileage: 34,000 miles. Price: £29,950, £5,955 more than this car. Dealer: First Autos in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-39217232e9bf
  • 2018 BMW X6 M Sport Edition, 3.0 diesel SUV, white. Mileage: 59,650 miles. Price: £22,490, £1,505 less 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

More like this

Photos

32 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.