2023 BMW X3 3.0 M40d MHT

Overview

• Make: BMW
• Model: X3
• Version: 3.0 M40d MHT Auto 4WD Euro 6 (s/s) 5dr (335 bhp)
• Year: 2023
• Mileage: 19,341 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 182 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 is advertised with 19,341 miles, approximately 10,500 below the typical mileage for its age. The AskCar estimate for this car is £45,512. It is priced at £42,700, which is £2,812 below that estimate. The AskCar estimate uses 3,033 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 163 days ago. Its asking price has since fallen by £4,522. The recorded MOT expired on 14 October 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Hitchfields, based in Huddersfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,812 (6%) under the AskCar estimate of £45,512.

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 3,033 priced BMW X3 adverts across different ages and specifications, as of 8 November 2026.

A 2023 BMW X3 with the 3.0 diesel engine is typically advertised at £41,000: the median of the 75 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 163 days.

Price history

AskCar first saw this advert on 29 May 2026 at £47,222. Its asking price is now £42,700, £4,522 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 30 May 2026: £47,222
• 18 June 2026: £46,995
• 27 June 2026: £46,855
• 21 July 2026: £45,995
• 25 July 2026: £45,895
• 13 August 2026: £45,795
• 24 August 2026: £45,698
• 13 September 2026: £45,195
• 19 September 2026: £44,995
• 25 September 2026: £43,995
• 9 October 2026: £43,285
• 16 October 2026: £42,995
• 27 October 2026: £42,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 14 October 2026; ask the dealer for the current MOT.

It has had one MOT, on 15 October 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,929 miles, which matches the advertised 19,341 miles.

Advertised mileage is about 10,500 miles lower than the median mileage of a 2023 BMW X3 on AskCar.