2023 BMW X6 3.0 30d MHT M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 23,946 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 186 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X6 M Sport has covered 23,946 miles, around 4,300 fewer miles than is typical for its age. The dealer is asking £51,490, which is £3,162 above the AskCar estimate of £48,328. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 22 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Lloyd Land Rover Newcastle in Wallsend. 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

Fair price: £3,162 (6%) over the AskCar estimate of £48,328.

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 2023 BMW X6 with the 3.0 diesel engine is typically advertised at £48,600: the median of the 36 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW X6 has been on sale for at least 22 days.

Price history

AskCar first saw this advert on 14 October 2026 at £51,990. Its asking price is now £51,490, £500 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 14 October 2026: £51,990
• 28 October 2026: £51,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 October 2027.

It has had one MOT, on 21 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 23,927 miles, which matches the advertised 23,946 miles.

Advertised mileage is about 4,300 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 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 24,000 miles. Price: £49,990, £1,500 less than this car. Dealer: A2B Performance in Kings Langley. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-33ab6de563a3
• 2023 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 23,575 miles. Price: £46,995, £4,495 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
• 2023 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 23,272 miles. Price: £45,475, £6,015 less than this car. Dealer: Listers in Boston. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-a078ab24e738

• The nearest: 2023 BMW X6 M Sport, 3.0 diesel SUV, blue, 6 miles from this car. Mileage: 31,578 miles. Price: £49,450, £2,040 less than this car. Dealer: Lloyd Newcastle BMW in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-615c05547651