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: 18,516 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 18,516 miles, around 11,500 fewer miles than is typical for its age. Priced at £37,998, it is advertised £2,871 below the AskCar estimate of £40,869. The AskCar estimate draws on 3,034 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 158 days ago, and its asking price has since fallen by £1,900. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Irvine BMW, based in Irvine. 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: £2,871 (7%) under the AskCar estimate of £40,869.

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 158 days.

Price history

AskCar first saw this advert on 30 May 2026 at £39,898. Its asking price is now £37,998, £1,900 less. The latest price cut was seen on 21 August 2026.

Price changes recorded:

• 30 May 2026: £39,898
• 16 June 2026: £39,498
• 14 July 2026: £38,998
• 21 August 2026: £37,998

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 January 2027.

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

There were no advisories at the latest test.

Mileage at that test: 18,502 miles, which matches the advertised 18,516 miles.

Advertised mileage is about 11,500 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: 18,304 miles. Price: £41,295, £3,297 more than this car. Dealer: Park's Motor Group Douglas Park BMW Stirling in Stirling. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-614e9f460508
• 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 19,904 miles. Price: £37,000, £998 less than this car. Dealer: Sytner Newport BMW in Newport. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-dac0d296ef15
• 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 21,647 miles. Price: £39,990, £1,992 more than this car. Dealer: Lloyd North Tyneside BMW in Tynemouth. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-31ea38b2f55a