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: 51,807 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

At 51,807 miles, this 2018 BMW X6 M Sport has covered about 11,300 fewer miles than other 2018 BMW X6 cars. Its asking price of £21,990 is £1,156 below the AskCar estimate of £23,146. The AskCar estimate uses 536 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 59 days ago. Its asking price has since fallen by £1,800. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at East Kilbride Used Car Centre in Glasgow. 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: £1,156 (4%) under the AskCar estimate of £23,146.

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 59 days.

Price history

AskCar first saw this advert on 4 September 2026 at £23,790. Its asking price is now £21,990, £1,800 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 4 September 2026: £23,790
• 5 September 2026: £22,990
• 24 September 2026: £22,490
• 16 October 2026: £21,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 September 2027.

It has had 8 MOTs. The latest, on 2 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 51,803 miles, which matches the advertised 51,807 miles.

Advertised mileage is about 11,300 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, white. Mileage: 52,000 miles. Price: £23,995, £2,005 more than this car. Dealer: RWD Motor Group in Ossett. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-13659c5f22a7
• 2018 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 52,302 miles. Price: £23,299, £1,309 more than this car. Dealer: Pine Lodge Cars in Whitchurch. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-b4d127f5d27b
• 2018 BMW X6 M Sport, 3.0 diesel SUV, red. Mileage: 53,450 miles. Price: £22,490, £500 more than this car. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-9c9a936f29b4

• The nearest: 2018 BMW X6 M Sport, 3.0 diesel SUV, black, 16 miles from this car. Mileage: 69,735 miles. Price: £19,998, £1,992 less than this car. Dealer: Arnold Clark Kilmarnock Peugeot Jeep Leapmotor in Kilmarnock. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-ba120c74aeb9