2023 BMW X6 3.0 40d MHT M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 40d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 20,999 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 195 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 20,999 miles on the clock, this 2023 BMW X6 M Sport has done roughly 9,700 fewer miles than a typical 2023 BMW X6. Priced at £53,990, it is advertised £6,949 above the AskCar estimate of £47,041. To work out the AskCar estimate, we analyse UK dealer adverts for 545 BMW X6 cars across different ages and specifications. We first recorded this car for sale today. The government's MOT record matches its advertised mileage. It is advertised by Sytner Oldbury BMW in Warley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £6,949 (14%) over the AskCar estimate of £47,041.

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 545 priced BMW X6 adverts across different ages and specifications, as of 12 November 2026.

A 2023 BMW X6 with the 3.0 diesel engine is typically advertised at £47,400: the median of the 36 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2023 BMW X6 advertised today. About 3 in 10 of 2023 BMW X6 cars are gone from sale within a month of being advertised: 16 of the 51 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £53,990. 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 12 November 2026: valid until 24 October 2027.

It has had one MOT, on 23 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 20,722 miles, which matches the advertised 20,999 miles.

Advertised mileage is about 9,700 miles lower than the median mileage of a 2023 BMW X6 on AskCar.

Similar cars

26 other 2023 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £35,995 to £59,995, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 23,221 miles. Price: £45,475, £8,515 less than this car. Dealer: MINI UK at Listers Boston in Boston. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-c8b3fdf9ae5b
• 2023 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 23,272 miles. Price: £45,475, £8,515 less than this car. Dealer: Listers in Boston. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-a078ab24e738
• 2023 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 23,575 miles. Price: £46,995, £6,995 less than this car. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-73723b5d08a0

• The nearest: 2023 BMW X6 M Sport, 3.0 diesel SUV, grey, 36 miles from this car. Mileage: 34,732 miles. Price: £46,999, £6,991 less than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-96892420f250