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: 23,712 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport is advertised with 23,712 miles, approximately 6,100 below the typical mileage for its age. The AskCar estimate for this car is £39,937. It is priced at £39,500, which is £437 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,052 BMW X3 cars across different ages and specifications. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Sheffield BMW, based in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £437 (1%) under the AskCar estimate of £39,937.

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 3,052 priced BMW X3 adverts across different ages and specifications, as of 7 November 2026.

A 2023 BMW X3 with the 3.0 diesel engine is typically advertised at £40,700: the median of the 76 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2023 BMW X3 advertised today. About 4 in 10 of 2023 BMW X3 cars are gone from sale within a month of being advertised: 139 of the 358 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £39,500. 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 7 November 2026: valid until 22 June 2027.

It has had one MOT, on 16 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 21,164 miles, which matches the advertised 23,712 miles.

Advertised mileage is about 6,100 miles lower than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

29 other 2023 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £30,800 to £41,490, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 23,657 miles. Price: £38,000, £1,500 less than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-0c54feb4a22b
• 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 23,999 miles. Price: £38,899, £601 less than this car. Dealer: Lookers BMW Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-41a1e49d8e5b
• 2023 BMW X3 M Sport, 3.0 diesel SUV, white. Mileage: 23,413 miles. Price: £35,950, £3,550 less than this car. Dealer: Lloyd Carlisle BMW in Carlisle. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-221c186f8e83

• The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, blue, 17 miles from this car. Mileage: 14,058 miles. Price: £41,490, £1,990 more than this car. Dealer: Stratstone Bmw Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-8221370e7f01