2023 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2023
• Mileage: 54,444 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport has covered 54,444 miles, around 24,500 more miles than is typical for its age. Its asking price of £29,850 is £510 below the AskCar estimate of £30,360. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 83 days ago. Its asking price has since fallen by £2,800. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Maidenhead BMW, based in Maidenhead. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £510 (1%) under the AskCar estimate of £30,360.

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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW X3 with the 2.0 diesel engine is typically advertised at £32,900: the median of the 224 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 83 days.

Price history

AskCar first saw this advert on 11 August 2026 at £32,650. Its asking price is now £29,850, £2,800 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 11 August 2026: £32,650
• 3 September 2026: £32,250
• 17 September 2026: £31,750
• 3 October 2026: £31,450
• 15 October 2026: £30,950
• 20 October 2026: £30,450
• 23 October 2026: £29,950
• 30 October 2026: £29,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 2 April 2027.

It has had one MOT, on 18 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 45,724 miles, which matches the advertised 54,444 miles.

Advertised mileage is about 24,500 miles higher than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

104 other 2023 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £26,650 to £38,898, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 53,877 miles. Price: £31,000, £1,150 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-2babd9391090
• 2023 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 55,249 miles. Price: £28,950, £900 less than this car. Dealer: Sytner Solihull BMW in Solihull. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-3fd71f37a69c
• 2023 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 52,509 miles. Price: £30,750, £900 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-77b42c937c39

• The nearest: 2023 BMW X3 M Sport, 2.0 diesel SUV, black, 10 miles from this car. Mileage: 31,907 miles. Price: £35,000, £5,150 more than this car. Dealer: Sytner Sunningdale BMW in Bracknell. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-e7c9adbf5daa