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: 60,331 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 60,331 miles, approximately 4,100 below the typical mileage for its age. Priced at £21,495, it is advertised £1,246 below the AskCar estimate of £22,741. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. The asking price is now £255 lower than when we first recorded the advert 13 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by R S Car Sales in Crewe. 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

Fair price: £1,246 (5%) under the AskCar estimate of £22,741.

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 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £21,750. Its asking price is now £21,495, £255 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

• 20 October 2026: £21,750
• 25 October 2026: £21,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 May 2027.

It failed its MOT on 6 May 2026 (electronic parking brake control inoperative; engine MIL inoperative or indicates a malfunction; parking brake efficiency less than 50% of the required value) and passed 1 day later, on 7 May 2026.

Advisories at the latest test: nearside front inner brake disc worn, pitted or scored, but not seriously weakened; offside front inner brake disc worn, but not excessively.

Mileage at that test: 55,356 miles, which matches the advertised 60,331 miles.

Advertised mileage is about 4,100 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, blue. Mileage: 60,300 miles. Price: £21,490, the same price as this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6237c7e30142
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 60,850 miles. Price: £25,490, £3,995 more than this car. Dealer: Carrera Specialist Cars in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a0390ad79581
• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 61,805 miles. Price: £24,990, £3,495 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-89d6711ce3e6

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, grey, 24 miles from this car. Mileage: 80,000 miles. Price: £18,850, £2,645 less than this car. Dealer: AMD Automotive in Stockport. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b08fe11da020