2018 BMW X6 3.0 30d M Sport Edition

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: 100,751 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 183 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X6 M Sport Edition is advertised with 100,751 miles, approximately 37,600 above the typical mileage for its age. The dealer is asking £19,490, which is £1,900 above the AskCar estimate of £17,590. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. We first saw this car advertised 161 days ago. Its asking price has since fallen by £1,000. The latest recorded MOT expiry date is 5 October 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. It is for sale at CMC Autos in Darlington. 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

Above the going rate: £1,900 (10%) over the AskCar estimate of £17,590.

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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £20,490. Its asking price is now £19,490, £1,000 less. The latest price cut was seen on 30 September 2026.

Price changes recorded:

• 29 May 2026: £20,490
• 14 July 2026: £19,990
• 30 September 2026: £19,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 5 October 2026; ask the dealer for the current MOT.

It failed its MOT on 6 October 2025 (engine MIL inoperative or indicates a malfunction) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 93,949 miles, which matches the advertised 100,751 miles.

Advertised mileage is about 37,600 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: 84,000 miles. Price: £17,450, £2,040 less than this car. Dealer: The Car Shop Bedford in Bedford. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-1b342094e454
• 2018 BMW X6 M Sport Edition, 3.0 diesel SUV, blue. Mileage: 72,227 miles. Price: £19,995, £505 more 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: 68,800 miles. Price: £21,790, £2,300 more than this car. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-89376a281481