2023 BMW X6 3.0 40d MHT M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 40d MHT M Sport Steptronic 4WD Euro 6 (s/s) 5dr (347 bhp)
• Year: 2023
• Mileage: 54,730 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 347 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 191 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 54,730 miles, this 2023 BMW X6 M Sport has covered about 26,500 more miles than other 2023 BMW X6 cars. The AskCar estimate for this car is £47,872. It is priced at £51,995, which is £4,123 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. We first recorded this car for sale 48 days ago. The seller is Advanced Vehicle Leasing (Stockton), based in Middlesbrough. 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

Above the going rate: £4,123 (8%) over the AskCar estimate of £47,872.

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 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 4 November 2026.

Time on sale

This 2023 BMW X6 has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 17 September 2026 at £51,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 26,500 miles higher than the median mileage of a 2023 BMW X6 on AskCar.

Similar cars

25 other 2023 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £36,995 to £59,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 50,390 miles. Price: £50,000, £1,995 less than this car. Dealer: Sytner Sheffield BMW in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-8aab315d3f1b
• 2023 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 49,653 miles. Price: £43,327, £8,668 less than this car. Dealer: Bowker Motor Group in Preston. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-5bae5fd81d57
• 2023 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 47,544 miles. Price: £39,800, £12,195 less than this car. Dealer: Marshall BMW Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-858c560e9247

• The nearest: 2023 BMW X6 M Sport, 3.0 diesel SUV, blue, 31 miles from this car. Mileage: 31,578 miles. Price: £49,450, £2,545 less than this car. Dealer: Lloyd Newcastle BMW in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-615c05547651