2018 BMW X4 2.0 20d M Sport

Overview

• Make: BMW
• Model: X4
• Trim: M Sport
• Version: 2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 50,435 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X4 M Sport has covered 50,435 miles, around 20,600 fewer miles than is typical for its age. Priced at £23,677, it is advertised £3,905 above the AskCar estimate of £19,772. To work out the AskCar estimate, we analyse UK dealer adverts for 652 BMW X4 cars across different ages and specifications. This car was first seen in our listings data 10 days ago. The recorded MOT expired on 23 September 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. The seller is Your Best Car (Bucks), based in Marlow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £3,905 (19%) over the AskCar estimate of £19,772.

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 652 priced BMW X4 adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW X4 with the 2.0 diesel engine is typically advertised at £17,000: the median of the 19 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW X4 has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £23,677. 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 2 November 2026: the latest record we hold ran out on 23 September 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 24 September 2025, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; front registration plate deteriorated but not likely to be misread.

Mileage at that test: 40,699 miles, which matches the advertised 50,435 miles.

Advertised mileage is about 20,600 miles lower than the median mileage of a 2018 BMW X4 on AskCar.

Similar cars

13 other 2018 BMW X4 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £9,500 to £23,295, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X4 M Sport, 2.0 diesel SUV, white. Mileage: 49,500 miles. Price: £16,995, £6,682 less than this car. Dealer: Andrew Elliot Cars in Inverkeithing. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-5f48ee8629a9
• 2018 BMW X4 M Sport, 2.0 diesel SUV, grey. Mileage: 56,000 miles. Price: £16,990, £6,687 less than this car. Dealer: Lawson Motor Company in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-b3b34ca5f4f1
• 2018 BMW X4 M Sport, 2.0 diesel SUV, blue. Mileage: 57,760 miles. Price: £23,295, £382 less than this car. Dealer: Motoring WAY in Abertillery. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-ce722b0db7b9

• The nearest: 2018 BMW X4 M Sport, 2.0 diesel SUV, silver, 42 miles from this car. Mileage: 40,700 miles. Price: £9,500, £14,177 less than this car. Dealer: Taylors Pitstop in Horley. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-97d063f445dd