2018 BMW X4 3.0 M40d

Overview

• Make: BMW
• Model: X4
• Version: 3.0 M40d Auto 4WD Euro 6 (s/s) 5dr (322 bhp)
• Year: 2018
• Mileage: 28,036 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 322 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 170 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 28,036 miles, this 2018 BMW X4 has covered about 41,700 fewer miles than other 2018 BMW X4 cars. Priced at £29,950, it is advertised £1,201 below the AskCar estimate of £31,151. The AskCar estimate draws on 650 BMW X4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 13 days ago. Our records show an MOT expiry date of 28 August 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at JS Prestige and Performance in Potters BAR. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,201 (3%) under the AskCar estimate of £31,151.

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 650 priced BMW X4 adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW X4 with the 3.0 diesel engine is typically advertised at £18,800: the median of the 26 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW X4 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £29,950. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 28 August 2026; ask the dealer for the current MOT.

It has had 8 MOTs. The latest, on 29 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 27,826 miles, which matches the advertised 28,036 miles.

Advertised mileage is about 41,700 miles lower than the median mileage of a 2018 BMW X4 on AskCar.