2023 BMW X6 3.0 M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 MHT M Sport Auto 4WD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 28,715 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 184 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X6 M Sport has covered 28,715 miles. Its asking price of £39,950 is £6,723 below the AskCar estimate of £46,673. The AskCar estimate uses UK dealer asking prices, including 547 BMW X6 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 20 days ago, the asking price has dropped by £1,900. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is North Oxford Bmw, based in Oxford. 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

Good value: £6,723 (14%) under the AskCar estimate of £46,673.

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 20 days.

Price history

AskCar first saw this advert on 16 October 2026 at £41,850. Its asking price is now £39,950, £1,900 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 16 October 2026: £41,850
• 24 October 2026: £41,450
• 5 November 2026: £39,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 17 December 2026.

It has had one MOT, on 18 December 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 19,689 miles, which matches the advertised 28,715 miles.

Advertised mileage is about 400 miles higher 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, blue. Mileage: 27,445 miles. Price: £46,895, £6,945 more than this car. Dealer: Berry Croydon BMW in Croydon. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-5494d5efeba4
• 2023 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 31,000 miles. Price: £45,495, £5,545 more than this car. Dealer: Evo Motor Group in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-223dc66bfad1
• 2023 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 31,578 miles. Price: £49,450, £9,500 more than this car. Dealer: Lloyd Newcastle BMW in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-615c05547651

• The nearest: 2023 BMW X6 M Sport, 3.0 diesel SUV, grey, 36 miles from this car. Mileage: 24,000 miles. Price: £49,990, £10,040 more than this car. Dealer: A2B Performance in Kings Langley. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-33ab6de563a3