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: 27,751 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 is advertised with 27,751 miles, approximately 2,300 below the typical mileage for its age. Its asking price of £40,500 is £1,198 above the AskCar estimate of £39,302. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 1 day ago. Its advertised mileage matches the government's MOT record. 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: £1,198 (3%) over the AskCar estimate of £39,302.

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 1 day 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 3 November 2026 at £40,500. 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 12 August 2026 (drive shaft likely to become detached insecure at transmission box) and passed 12 days later, on 24 August 2026.

There were no advisories at the latest test.

Mileage at that test: 26,628 miles, which matches the advertised 27,751 miles.

Advertised mileage is about 2,300 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, £1,910 less 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, black. Mileage: 27,000 miles. Price: £37,000, £3,500 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, grey. Mileage: 26,756 miles. Price: £39,500, £1,000 less than this car. Dealer: Sytner Swansea MINI in Swansea. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-482d3503fdc5

• The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, grey, under a mile from this car. Mileage: 43,653 miles. Price: £36,990, £3,510 less than this car. Dealer: Sytner Sunningdale BMW in Bracknell. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-6452cd5b5ae8