2018 BMW X3 3.0 30d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
• Year: 2018
• Mileage: 44,118 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 44,118 miles, approximately 20,300 below the typical mileage for its age. The dealer is asking £27,000, which is £2,206 above the AskCar estimate of £24,794. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We first recorded this car for sale 31 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Listers BMW King's Lynn in King's Lynn and West Norfolk. 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: £2,206 (8%) over the AskCar estimate of £24,794.

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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW X3 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 64 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 31 days.

Price history

AskCar first saw this advert on 2 October 2026 at £27,000. 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: valid until 8 April 2027.

It has had 7 MOTs. The latest, on 24 March 2026, passed.

Advisories at the latest test: offside rear nail in tyre; nearside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 40,671 miles, which matches the advertised 44,118 miles.

Advertised mileage is about 20,300 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

43 other 2018 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £15,950 to £29,950, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 43,904 miles. Price: £22,850, £4,150 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-af5971125392
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 48,000 miles. Price: £25,995, £1,005 less than this car. Dealer: Cavendish UK Car Sales in Sudbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-dea507c5df46
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 48,712 miles. Price: £25,000, £2,000 less than this car. Dealer: Sytner Warwick BMW in Warwick. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8b5d8dce69a2

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, blue, 30 miles from this car. Mileage: 33,500 miles. Price: £22,690, £4,310 less than this car. Dealer: Werrington Motor Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-12606fac4812