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: 23,221 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 177 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 23,221 miles on the clock, this 2023 BMW X6 M Sport has done roughly 5,100 fewer miles than a typical 2023 BMW X6. The dealer is asking £45,475, which is £2,164 below the AskCar estimate of £47,639. To work out the AskCar estimate, we analyse UK dealer adverts for 547 BMW X6 cars across different ages and specifications. We first recorded this advert 148 days ago, and its asking price has since fallen by £2,275. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is MINI UK at Listers Boston, based in Boston. 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: £2,164 (4%) under the AskCar estimate of £47,639.

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 148 days.

Price history

AskCar first saw this advert on 10 June 2026 at £47,750. Its asking price is now £45,475, £2,275 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 22 June 2026: £47,750
• 27 June 2026: £47,500
• 4 July 2026: £47,000
• 25 July 2026: £46,500
• 1 August 2026: £46,250
• 16 August 2026: £45,750
• 6 September 2026: £45,250
• 18 September 2026: £44,750
• 27 September 2026: £44,250
• 2 October 2026: £45,975
• 30 October 2026: £45,475

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 31 March 2027.

It failed its MOT on 1 April 2026 (nearside rear 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: 22,290 miles, which matches the advertised 23,221 miles.

Advertised mileage is about 5,100 miles lower 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, blue. Mileage: 23,272 miles. Price: £45,475, the same price as this car. Dealer: Listers in Boston. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-a078ab24e738
• 2023 BMW X6 M Sport, 3.0 diesel SUV, blue. Mileage: 23,575 miles. Price: £46,995, £1,520 more than this car. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-73723b5d08a0
• 2023 BMW X6 M Sport, 3.0 diesel SUV, grey. Mileage: 23,946 miles. Price: £51,490, £6,015 more than this car. Dealer: Lloyd Land Rover Newcastle in Tynemouth. AskCar page: https://askcar.co.uk/car/bmw-x6-2023-90e47cb29825