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: 79,483 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 79,483 miles, approximately 15,100 above the typical mileage for its age. The dealer is asking £24,000, which is £4,136 above the AskCar estimate of £19,864. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. Since we first spotted the advert 19 days ago, the asking price has dropped by £750. Its advertised mileage matches the government's MOT record. The seller is Sytner Nottingham BMW, based in Nottingham. 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: £4,136 (20%) over the AskCar estimate of £19,864.

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 19 days.

Price history

AskCar first saw this advert on 14 October 2026 at £24,750. Its asking price is now £24,000, £750 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 14 October 2026: £24,750
• 2 November 2026: £24,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 November 2026.

It has had 8 MOTs. The latest, on 28 October 2025, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 72,007 miles, which matches the advertised 79,483 miles.

Advertised mileage is about 15,100 miles higher 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: 79,300 miles. Price: £20,981, £3,019 less than this car. Dealer: Nortree Motor Company in Melksham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8161c5fa5e23
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 80,000 miles. Price: £18,850, £5,150 less than this car. Dealer: AMD Automotive in Stockport. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b08fe11da020
• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 81,000 miles. Price: £18,495, £5,505 less than this car. Dealer: Lewis Motors Direct in Aberystwyth. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-fed27fe113ee

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, silver, 7 miles from this car. Mileage: 70,000 miles. Price: £21,480, £2,520 less than this car. Dealer: The Car Arena in Kimberley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-c361874d32ca