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: 27,833 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

This 2023 BMW X6 M Sport has covered 27,833 miles. Priced at £53,000, it is advertised £230 below the AskCar estimate of £53,230. The AskCar estimate uses 547 UK dealer adverts for the BMW X6, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 48 days ago. The government's MOT record matches its advertised mileage. It is advertised by Berry Chiswick BMW in Brentford. 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: £230 (under 1%) under the AskCar estimate of £53,230.

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 48 days.

Price history

AskCar first saw this advert on 18 September 2026 at £53,000. Its asking price has not changed.

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 has had one MOT, on 28 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 27,464 miles, which matches the advertised 27,833 miles.

Advertised mileage is about 400 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, black. Mileage: 30,400 miles. Price: £47,800, £5,200 less than this car. Dealer: Kingsbridge in York. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-1c2015b997cd
• 2023 BMW X6 M Sport, 3.0 petrol SUV, blue. Mileage: 18,571 miles. Price: £53,995, £995 more 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, blue. Mileage: 18,073 miles. Price: £50,850, £2,150 less than this car. Dealer: Sytner Luton BMW in Luton. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-8c8cd6c6a67a