2023 BMW X3 3.0 M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 MHT M Sport Auto 4WD Euro 6 5dr
• Year: 2023
• Mileage: 21,647 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 171 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport has covered 21,647 miles, around 8,400 fewer miles than is typical for its age. The AskCar estimate for this car is £39,271. It is priced at £39,990, which is £719 above that estimate. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 72 days ago, the asking price has dropped by £2,500. Its advertised mileage matches the government's MOT record. It is advertised by Lloyd North Tyneside BMW in Wallsend. 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: £719 (1%) over the AskCar estimate of £39,271.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW X3 with the 3.0 diesel engine is typically advertised at £41,500: the median of the 72 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 72 days.

Price history

AskCar first saw this advert on 24 August 2026 at £42,490. Its asking price is now £39,990, £2,500 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 24 August 2026: £42,490
• 8 October 2026: £41,490
• 13 October 2026: £40,990
• 16 October 2026: £40,790
• 24 October 2026: £39,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 31 August 2027.

It has had one MOT, on 21 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 21,650 miles, which matches the advertised 21,647 miles.

Advertised mileage is about 8,400 miles lower than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

26 other 2023 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £31,399 to £41,490, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 21,647 miles. Price: £39,990, the same price as this car. Dealer: Lloyd Motor Group in Reading. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-74be2ad48913
• 2023 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 22,440 miles. Price: £39,875, £115 less than this car. Dealer: Group 1 Worthing BMW in Worthing. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-b7fd25403638
• 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 19,904 miles. Price: £37,000, £2,990 less than this car. Dealer: Sytner Newport BMW in Newport. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-dac0d296ef15

• The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, white, 58 miles from this car. Mileage: 23,413 miles. Price: £35,950, £4,040 less than this car. Dealer: Lloyd Carlisle BMW in Carlisle. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-221c186f8e83