2018 BMW X6 3.0 40d M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 40d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
• Year: 2018
• Mileage: 79,600 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X6 M Sport is advertised with 79,600 miles, approximately 16,400 above the typical mileage for its age. Its asking price of £19,994 is £155 above the AskCar estimate of £19,839. The AskCar estimate uses UK dealer asking prices, including 547 BMW X6 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. Its advertised mileage matches the government's MOT record. The seller is BVG Automotive, based in Oldham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £155 (under 1%) over the AskCar estimate of £19,839.

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 6 November 2026.

A 2018 BMW X6 with the 3.0 diesel engine is typically advertised at £21,900: the median of the 54 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2018 BMW X6 advertised today. About 3 in 10 of 2018 BMW X6 cars are gone from sale within a month of being advertised: 21 of the 62 first advertised between 14 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £19,994. 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 6 November 2026: valid until 12 September 2027.

It has had 8 MOTs. The latest, on 8 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 78,474 miles, which matches the advertised 79,600 miles.

Advertised mileage is about 16,400 miles higher than the median mileage of a 2018 BMW X6 on AskCar.

Similar cars

34 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 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 80,000 miles. Price: £20,995, £1,001 more than this car. Dealer: CarPlex in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-da7170bf0af9
• 2018 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 78,946 miles. Price: £18,589, £1,405 less than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-bd36ff41d0d3
• 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 78,940 miles. Price: £19,995, the same price as 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, 12 miles from this car. Mileage: 77,000 miles. Price: £20,290, £296 more than this car. Dealer: Fish Motors in Bolton. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-b64e9a849910