2018 BMW X6 3.0 M50d

Overview

• Make: BMW
• Model: X6
• Version: 3.0 M50d Auto 4WD Euro 6 5dr (375 bhp)
• Year: 2018
• Mileage: 96,727 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 375 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 205 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X6 has covered 96,727 miles, around 33,600 more miles than is typical for its age. Priced at £19,495, it is advertised £268 above the AskCar estimate of £19,227. The AskCar estimate uses 547 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 102 days ago. Its asking price has since fallen by £2,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Gibbons Automotive in Westbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £268 (1%) over the AskCar estimate of £19,227.

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 4 November 2026.

A 2018 BMW X6 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 54 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW X6 has been on sale for at least 102 days.

Price history

AskCar first saw this advert on 25 July 2026 at £21,995. Its asking price is now £19,495, £2,500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 25 July 2026: £21,995
• 31 July 2026: £20,995
• 5 August 2026: £20,745
• 13 August 2026: £20,495
• 21 August 2026: £19,995
• 29 August 2026: £19,745
• 5 September 2026: £19,495
• 10 September 2026: £18,995
• 17 September 2026: £18,495
• 25 September 2026: £17,995
• 3 October 2026: £17,745
• 9 October 2026: £19,995
• 16 October 2026: £19,895
• 24 October 2026: £19,745
• 31 October 2026: £19,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 June 2027.

It has had 6 MOTs. The latest, on 26 June 2026, passed.

Advisories at the latest test: offside front shock absorbers has light misting of oil on limt; nearside front brake pad wear sensor broken.

Mileage at that test: 96,653 miles, which matches the advertised 96,727 miles.

Advertised mileage is about 33,600 miles higher than the median mileage of a 2018 BMW X6 on AskCar.