2018 BMW X4 3.0 30d Xline

Overview

• Make: BMW
• Model: X4
• Trim: Xline
• Version: 3.0 30d Xline Auto 4WD Euro 6 (s/s) 5dr (254 bhp)
• Year: 2018
• Mileage: 69,706 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X4 Xline is advertised with 69,706 miles on the clock. The AskCar estimate for this car is £15,417. It is priced at £13,400, which is £2,017 below that estimate. The AskCar estimate draws on 655 BMW X4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 48 days ago. Its asking price has since fallen by £400. The government's MOT record matches its advertised mileage. It is for sale at Car Planet Watford in Rickmansworth. 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

Good value: £2,017 (13%) under the AskCar estimate of £15,417.

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 655 priced BMW X4 adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2018 BMW X4 has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 17 September 2026 at £13,800. Its asking price is now £13,400, £400 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 17 September 2026: £13,800
• 4 October 2026: £14,100
• 9 October 2026: £13,950
• 16 October 2026: £13,650
• 21 October 2026: £13,550
• 28 October 2026: £13,450
• 3 November 2026: £13,400

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 January 2027.

It failed its MOT on 16 January 2026 (offside front coil spring fractured or broken) and passed 3 days later, on 19 January 2026.

Advisories at the latest test: front registration plate deteriorated but not likely to be misread; rear brake pad(s) wearing thin ns and os.

Mileage at that test: 59,141 miles, which matches the advertised 69,706 miles.

Similar cars

1 other 2018 BMW X4 Xline 3.0 diesel automatic SUV is for sale at UK dealers, as of 4 November 2026.

The closest to this car in mileage:

• 2018 BMW X4 Xline, 3.0 diesel SUV, black. Mileage: 62,400 miles. Price: £15,000, £1,600 more than this car. Dealer: Vulcan Motor Company in Norwich. AskCar page: https://askcar.co.uk/car/bmw-x4-2018-e0dc03ee2b63