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: 28,964 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport has covered 28,964 miles. The AskCar estimate for this car is £39,101. It is priced at £36,750, which is £2,351 below that estimate. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 127 days ago, the asking price has dropped by £4,250. The seller is Sytner Cardiff BMW, based in Cardiff. 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: £2,351 (6%) under the AskCar estimate of £39,101.

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 127 days.

Price history

AskCar first saw this advert on 30 June 2026 at £41,000. Its asking price is now £36,750, £4,250 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 1 July 2026: £41,000
• 9 July 2026: £40,000
• 5 August 2026: £39,000
• 14 August 2026: £38,500
• 22 August 2026: £37,990
• 10 September 2026: £37,500
• 26 September 2026: £37,000
• 28 October 2026: £36,750

Mileage and MOT

Advertised mileage is about 1,100 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: 27,935 miles. Price: £38,590, £1,840 more than this car. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-9d905a61bbdd
• 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 27,751 miles. Price: £40,500, £3,750 more than this car. Dealer: Sytner Sunningdale BMW in Bracknell. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-74adbe219432
• 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 27,000 miles. Price: £37,000, £250 more than this car. Dealer: J R R Cars in Leyland. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-9f64ae110960

• The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, black, 12 miles from this car. Mileage: 19,904 miles. Price: £37,000, £250 more than this car. Dealer: Sytner Newport BMW in Newport. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-dac0d296ef15