2018 BMW X6 3.0 30d M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (254 bhp)
• Year: 2018
• Mileage: 62,735 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X6 M Sport is advertised with 62,735 miles on the clock. The dealer is asking £21,222, which is £659 below the AskCar estimate of £21,881. To work out the AskCar estimate, we analyse UK dealer adverts for 536 BMW X6 cars across different ages and specifications. Since we first spotted the advert 10 days ago, the asking price has dropped by £273. Our records show an MOT expiry date of 15 October 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Hitchfields in Huddersfield. 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: £659 (3%) under the AskCar estimate of £21,881.

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 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £21,495. Its asking price is now £21,222, £273 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 23 October 2026: £21,495
• 1 November 2026: £21,222

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 15 October 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 14 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 53,278 miles, which matches the advertised 62,735 miles.

Advertised mileage is about 400 miles lower 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: 63,124 miles. Price: £21,990, £768 more than this car. Dealer: Lloyd Colne BMW in Colne. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-1471cf71b0ff
• 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 61,549 miles. Price: £22,000, £778 more than this car. Dealer: Hawco Group in Perth. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-afb53562b05d
• 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 60,622 miles. Price: £21,990, £768 more than this car. Dealer: Car City UK Catterick in Catterick. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-88e027472d90

• The nearest: 2018 BMW X6 M Sport, 3.0 diesel SUV, white, 9 miles from this car. Mileage: 52,000 miles. Price: £23,995, £2,773 more than this car. Dealer: RWD Motor Group in Ossett. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-13659c5f22a7