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: 31,807 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
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 is advertised with 31,807 miles on the clock. The dealer is asking £43,790, which is £146 below the AskCar estimate of £43,936. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. This car was first seen in our listings data today. It is for sale at Lloyd Motor Group in Reading. 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: £146 (under 1%) under the AskCar estimate of £43,936.

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

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: 138 of the 340 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £43,790. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 1,800 miles higher than the median mileage of a 2023 BMW X3 on AskCar.