2023 BMW X3 3.0 30d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 MHT M Sport Auto 4WD Euro 6 5dr (281 bhp)
• Year: 2023
• Mileage: 27,935 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 27,935 miles on the clock, this 2023 BMW X3 M Sport has done roughly 2,100 fewer miles than a typical 2023 BMW X3. Priced at £38,590, it is advertised £116 above the AskCar estimate of £38,474. 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 47 days ago, the asking price has dropped by £1,400. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stratstone BMW Maidstone, based in Aylesford. 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: £116 (under 1%) over the AskCar estimate of £38,474.

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 47 days.

Price history

AskCar first saw this advert on 18 September 2026 at £39,990. Its asking price is now £38,590, £1,400 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 18 September 2026: £39,990
• 28 September 2026: £39,490
• 9 October 2026: £38,390
• 15 October 2026: £38,590

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 17 April 2027.

It has had one MOT, on 8 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 23,816 miles, which matches the advertised 27,935 miles.

Advertised mileage is about 2,100 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: 27,751 miles. Price: £40,500, £1,910 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, £1,590 less than this car. Dealer: J R R Cars in Leyland. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-9f64ae110960
• 2023 BMW X3 M Sport, 3.0 diesel SUV, white. Mileage: 28,964 miles. Price: £36,750, £1,840 less than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-e8292e3f07a0

• The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, grey, 48 miles from this car. Mileage: 43,653 miles. Price: £36,990, £1,600 less than this car. Dealer: Sytner Sunningdale BMW in Bracknell. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-6452cd5b5ae8