2023 BMW X6 3.0 40i MHT M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 40i MHT M Sport Steptronic 4WD Euro 6 (s/s) 5dr (376 bhp)
• Year: 2023
• Mileage: 15,476 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 376 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 197 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 15,476 miles on the clock, this 2023 BMW X6 M Sport has done roughly 12,800 fewer miles than a typical 2023 BMW X6. Its asking price of £55,995 is £256 above the AskCar estimate of £55,739. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. Since we first spotted the advert 37 days ago, the asking price has dropped by £495. The seller is Barretts BMW Ashford, based in Ashford. 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: £256 (under 1%) over the AskCar estimate of £55,739.

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 petrol 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 37 days.

Price history

AskCar first saw this advert on 29 September 2026 at £56,490. Its asking price is now £55,995, £495 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 29 September 2026: £56,490
• 27 October 2026: £55,995

Mileage and MOT

Advertised mileage is about 12,800 miles lower than the median mileage of a 2023 BMW X6 on AskCar.

Similar cars

7 other 2023 BMW X6 M Sport 3.0 petrol automatic SUVs are for sale at UK dealers, from £47,800 to £56,499, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X6 M Sport, 3.0 petrol SUV, blue. Mileage: 18,073 miles. Price: £50,850, £5,145 less than this car. Dealer: Sytner Luton BMW in Luton. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-8c8cd6c6a67a
• 2023 BMW X6 M Sport, 3.0 petrol SUV, blue. Mileage: 18,571 miles. Price: £53,995, £2,000 less than this car. Dealer: Sytner Tring BMW in Tring. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-27c2f4872a86
• 2023 BMW X6 M Sport, 3.0 petrol SUV, green. Mileage: 7,765 miles. Price: £56,499, £504 more than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-ced41f5fc319

• The nearest: 2023 BMW X6 M Sport, 3.0 petrol SUV, grey, 58 miles from this car. Mileage: 27,833 miles. Price: £53,000, £2,995 less than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-284d95cc2a40