2023 BMW X3 3.0 M40i MHT

Overview

• Make: BMW
• Model: X3
• Version: 3.0 M40i MHT Auto 4WD Euro 6 (s/s) 5dr (355 bhp)
• Year: 2023
• Mileage: 38,472 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 355 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 207 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 38,472 miles, this 2023 BMW X3 has covered about 9,100 more miles than other 2023 BMW X3 cars. The dealer is asking £42,090, which is £315 below the AskCar estimate of £42,405. To work out the AskCar estimate, we analyse UK dealer adverts for 3,099 BMW X3 cars across different ages and specifications. We first saw this car advertised 23 days ago. Its asking price has since fallen by £810. The seller is Stratstone Bmw Hull, based in Hull. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £315 (under 1%) under the AskCar estimate of £42,405.

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 3,099 priced BMW X3 adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW X3 with the 3.0 petrol engine is typically advertised at £41,000: the median of the 76 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 14 October 2026 at £42,900. Its asking price is now £42,090, £810 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 14 October 2026: £42,900
• 16 October 2026: £42,890
• 27 October 2026: £42,090

Mileage and MOT

Advertised mileage is about 9,100 miles higher than the median mileage of a 2023 BMW X3 on AskCar.