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: 17,815 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 189 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 17,815 miles on the clock, this 2023 BMW X6 M Sport has done roughly 11,700 fewer miles than a typical 2023 BMW X6. Its asking price of £50,750 is £1,695 above the AskCar estimate of £49,055. The AskCar estimate uses 544 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 45 days ago, the asking price has dropped by £2,750. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Leicester BMW, based in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,695 (3%) over the AskCar estimate of £49,055.

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 544 priced BMW X6 adverts across different ages and specifications, as of 9 November 2026.

A 2023 BMW X6 with the 3.0 diesel engine is typically advertised at £48,400: the median of the 36 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2023 BMW X6 has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 25 September 2026 at £53,500. Its asking price is now £50,750, £2,750 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 25 September 2026: £53,500
• 18 October 2026: £52,500
• 23 October 2026: £51,750
• 3 November 2026: £50,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 23 September 2027.

It failed its MOT on 23 September 2026 (offside front tyre has ply or cords exposed) and passed 1 day later, on 24 September 2026.

There were no advisories at the latest test.

Mileage at that test: 18,088 miles, which matches the advertised 17,815 miles.

Advertised mileage is about 11,700 miles lower 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 £35,995 to £59,995, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 18,000 miles. Price: £59,995, £9,245 more than this car. Dealer: Motorhouse Of Shipley in Shipley. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-7994d0661147
• 2023 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 23,221 miles. Price: £45,475, £5,275 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, £5,275 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, white, 24 miles from this car. Mileage: 36,512 miles. Price: £42,500, £8,250 less than this car. Dealer: Marshall Volvo Derby in Derby. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-d3dccbb3798f