2023 BMW X3 3.0 30d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
• Year: 2023
• Mileage: 22,440 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport has covered 22,440 miles, around 7,600 fewer miles than is typical for its age. Priced at £39,875, it is advertised £321 below the AskCar estimate of £40,196. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 2 days ago. The government's MOT record matches its advertised mileage. It is advertised by Group 1 Worthing BMW in Littlehampton. 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: £321 (under 1%) under the AskCar estimate of £40,196.

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

AskCar first saw this 2023 BMW X3 advertised 2 days ago. About 4 in 10 of 2023 BMW X3 cars are gone from sale within a month of being advertised: 138 of the 340 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 2 November 2026 at £39,875. 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 4 November 2026: valid until 31 August 2027.

It failed its MOT on 20 August 2026 (nearside rear road wheel fixing missing) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 21,370 miles, which matches the advertised 22,440 miles.

Advertised mileage is about 7,600 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, grey. Mileage: 21,647 miles. Price: £39,990, £115 more than this car. Dealer: Lloyd North Tyneside BMW in Tynemouth. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-31ea38b2f55a
• 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 21,647 miles. Price: £39,990, £115 more than 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, white. Mileage: 23,412 miles. Price: £35,950, £3,925 less than this car. Dealer: Lloyd Carlisle BMW in Carlisle. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-8f06a5258687

• The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, grey, 40 miles from this car. Mileage: 43,653 miles. Price: £36,990, £2,885 less than this car. Dealer: Sytner Sunningdale BMW in Bracknell. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-6452cd5b5ae8