2025 BMW X6 3.0 M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 MHT M Sport Steptronic 4WD Euro 6 (s/s) 5dr
• Year: 2025
• Mileage: 18,865 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Grey
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 18,865 miles on the clock, this 2025 BMW X6 M Sport has done roughly 6,700 more miles than a typical 2025 BMW X6. Its asking price of £55,500 is £4,349 below the AskCar estimate of £59,849. The AskCar estimate uses UK dealer asking prices, including 547 BMW X6 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 6 days ago. The seller is Sytner Swansea MINI, based in Swansea. 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

Fair price: £4,349 (7%) under the AskCar estimate of £59,849.

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 2025 BMW X6 with the 3.0 diesel engine is typically advertised at £62,500: the median of the 26 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2025 BMW X6 advertised 6 days ago.

Price history

AskCar first saw this advert on 29 October 2026 at £55,500. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 6,700 miles higher than the median mileage of a 2025 BMW X6 on AskCar.

Similar cars

19 other 2025 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £53,299 to £80,099, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2025 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 19,046 miles. Price: £53,299, £2,201 less than this car. Dealer: Halliwell Jones Chester BMW in Chester. AskCar page: https://askcar.co.uk/car/bmw-x6-2025-124eec02afc2
• 2025 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 19,250 miles. Price: £60,990, £5,490 more than this car. Dealer: MINI UK at Stratstone Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x6-2025-43cf178291ba
• 2025 BMW X6 M Sport, 3.0 diesel SUV, black. Mileage: 18,010 miles. Price: £55,995, £495 more than this car. Dealer: MINI UK at Williams Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/bmw-x6-2025-c749e81864aa

• The nearest: 2025 BMW X6 M Sport, 3.0 diesel SUV, black, 80 miles from this car. Mileage: 1,365 miles. Price: £63,950, £8,450 more than this car. Dealer: Cotswold Bmw Cheltenham in Cheltenham. AskCar page: https://askcar.co.uk/car/bmw-x6-2025-03664206bdcf