2018 BMW X6 3.0 40d M Sport Edition

Overview

• Make: BMW
• Model: X6
• Trim: M Sport Edition
• Version: 3.0 40d M Sport Edition Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
• Year: 2018
• Mileage: 61,229 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 309 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 61,229 miles. Priced at £25,990, it is advertised £2,362 above the AskCar estimate of £23,628. The AskCar estimate uses 547 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 127 days ago. The recorded MOT expired on 13 August 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at 5th Gear Motor Company in Chislehurst. 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: £2,362 (9%) over the AskCar estimate of £23,628.

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 127 days.

Price history

AskCar first saw this advert on 1 July 2026 at £25,490. Its asking price is now £25,990, £500 more.

Price changes recorded:

• 1 July 2026: £25,490
• 9 July 2026: £25,990

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 13 August 2026; ask the dealer for the current MOT.

It failed its MOT on 22 July 2025 (offside front inner tyre has ply or cords exposed) and passed 1 day later, on 23 July 2025.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 53,269 miles, which matches the advertised 61,229 miles.

Advertised mileage is about 1,900 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: 60,769 miles. Price: £22,448, £3,542 less than this car. Dealer: Trade Drive Motors in Bedford. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-cd9abe2b9a70
• 2018 BMW X6 M Sport Edition, 3.0 diesel SUV, white. Mileage: 60,207 miles. Price: £22,290, £3,700 less than this car. Dealer: Evans Halshaw BYD Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-01d6a72522cf
• 2018 BMW X6 M Sport Edition, 3.0 diesel SUV, white. Mileage: 59,650 miles. Price: £22,490, £3,500 less than this car. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/bmw-x6-2018-450e568ca2bd