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: 43,653 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport has covered 43,653 miles, around 13,600 more miles than is typical for its age. The AskCar estimate for this car is £36,203. It is priced at £36,990, which is £787 above that estimate. The AskCar estimate draws on 3,034 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 28 days ago, the asking price has dropped by £760. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Sytner Sunningdale BMW in Ascot. 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: £787 (2%) over the AskCar estimate of £36,203.

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 28 days.

Price history

AskCar first saw this advert on 7 October 2026 at £37,750. Its asking price is now £36,990, £760 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 7 October 2026: £37,750
• 4 November 2026: £36,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 7 September 2027.

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

There were no advisories at the latest test.

Mileage at that test: 42,915 miles, which matches the advertised 43,653 miles.

Advertised mileage is about 13,600 miles higher 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: 44,355 miles. Price: £35,000, £1,990 less than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-2b63cfdc8e44
• 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 42,784 miles. Price: £37,193, £203 more than this car. Dealer: Group 1 Bedford BMW in Bedford. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-c30e3f417359
• 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 37,591 miles. Price: £38,390, £1,400 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-9972d29250a3

• The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, grey, under a mile from this car. Mileage: 27,751 miles. Price: £40,500, £3,510 more than this car. Dealer: Sytner Sunningdale BMW in Bracknell. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-74adbe219432