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: 37,810 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 189 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 37,810 miles, this 2023 BMW X6 M Sport has covered about 9,500 more miles than other 2023 BMW X6 cars. Priced at £48,990, it is advertised £4,248 above the AskCar estimate of £44,742. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. We have tracked this advert for 49 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Williams Bmw Rochdale, based in Rochdale. 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

Above the going rate: £4,248 (9%) over the AskCar estimate of £44,742.

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 49 days.

Price history

AskCar first saw this advert on 17 September 2026 at £47,990. Its asking price is now £48,990, £1,000 more.

Price changes recorded:

• 17 September 2026: £47,990
• 25 September 2026: £52,990
• 6 October 2026: £49,990
• 21 October 2026: £49,790
• 4 November 2026: £48,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 25 September 2027.

It failed its MOT on 3 September 2026 (nearside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 37,454 miles, which matches the advertised 37,810 miles.

Advertised mileage is about 9,500 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, white. Mileage: 36,512 miles. Price: £42,500, £6,490 less than this car. Dealer: Marshall Volvo Derby in Derby. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-d3dccbb3798f
• 2023 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 36,359 miles. Price: £39,795, £9,195 less than this car. Dealer: Beck Evans in Sidcup. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-65aaa28325ef
• 2023 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 34,732 miles. Price: £47,999, £991 less than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-96892420f250

• The nearest: 2023 BMW X6 M Sport, 3.0 diesel SUV, grey, 23 miles from this car. Mileage: 18,000 miles. Price: £59,995, £11,005 more than this car. Dealer: Motorhouse Of Shipley in Shipley. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-7994d0661147