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: 19,904 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 281 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 19,904 miles, this 2023 BMW X3 M Sport has covered about 10,100 fewer miles than other 2023 BMW X3 cars. The dealer is asking £37,000, which is £2,805 below the AskCar estimate of £39,805. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. The asking price is now £2,995 lower than when we first recorded the advert 131 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Newport BMW, based in Newport. 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: £2,805 (7%) under the AskCar estimate of £39,805.

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 131 days.

Price history

AskCar first saw this advert on 26 June 2026 at £39,995. Its asking price is now £37,000, £2,995 less. The latest price cut was seen on 20 September 2026.

Price changes recorded:

• 26 June 2026: £39,995
• 8 August 2026: £38,995
• 24 August 2026: £37,995
• 12 September 2026: £36,995
• 20 September 2026: £35,995
• 8 October 2026: £37,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 26 January 2027.

It has had one MOT, on 20 January 2026, and passed.

Advisories at the latest test: nearside front outer tyre worn close to legal limit/worn on edge edge; nearside front tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged/cracking or perishing.

Mileage at that test: 18,394 miles, which matches the advertised 19,904 miles.

Advertised mileage is about 10,100 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, white. Mileage: 18,516 miles. Price: £37,998, £998 more than this car. Dealer: Arnold Clark Irvine BMW in Irvine. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-01cec048b683
• 2023 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 18,304 miles. Price: £41,295, £4,295 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, grey. Mileage: 21,647 miles. Price: £39,990, £2,990 more than this car. Dealer: Lloyd North Tyneside BMW in Tynemouth. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-31ea38b2f55a

• The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, white, 12 miles from this car. Mileage: 28,964 miles. Price: £36,750, £250 less than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-e8292e3f07a0