2023 BMW X6 3.0 30d MHT M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 30d MHT M Sport Steptronic 4WD Euro 6 (s/s) 5dr (294 bhp)
• Year: 2023
• Mileage: 69,000 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 294 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 190 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 69,000 miles on the clock, this 2023 BMW X6 M Sport has done roughly 40,700 more miles than a typical 2023 BMW X6. The dealer is asking £43,995, which is £1,838 above the AskCar estimate of £42,157. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. We first saw this car advertised 111 days ago. Its asking price has since fallen by £2,000. The seller is Winchmore Car Sales, based in Cuffley. 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: £1,838 (4%) over the AskCar estimate of £42,157.

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 111 days.

Price history

AskCar first saw this advert on 17 July 2026 at £45,995. Its asking price is now £43,995, £2,000 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 18 July 2026: £45,995
• 21 October 2026: £44,995
• 3 November 2026: £43,995

Mileage and MOT

Advertised mileage is about 40,700 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, black. Mileage: 54,730 miles. Price: £51,995, £8,000 more than this car. Dealer: Advanced Vehicle Leasing (Stockton) in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-70546e6c2301
• 2023 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 50,542 miles. Price: £50,000, £6,005 more than this car. Dealer: Sytner Sheffield BMW in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-16f6d9519d0e
• 2023 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 49,653 miles. Price: £43,327, £668 less than this car. Dealer: Bowker Motor Group in Preston. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-5bae5fd81d57

• The nearest: 2023 BMW X6 M Sport, 3.0 diesel SUV, black, 9 miles from this car. Mileage: 31,000 miles. Price: £45,495, £1,500 more than this car. Dealer: Evo Motor Group in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-223dc66bfad1