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: 80,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 80,000 miles, approximately 15,600 above the typical mileage for its age. Priced at £18,850, it is advertised £941 below the AskCar estimate of £19,791. 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 advert 44 days ago, and its asking price has since fallen by £120. Our latest MOT record expired on 25 June 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at AMD Automotive in Stockport. 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: £941 (4%) under the AskCar estimate of £19,791.

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 44 days.

Price history

AskCar first saw this advert on 19 September 2026 at £18,970. Its asking price is now £18,850, £120 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 19 September 2026: £18,970
• 14 October 2026: £18,850

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 25 June 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 25 June 2025, passed.

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

Mileage at that test: 71,055 miles, which matches the advertised 80,000 miles.

Advertised mileage is about 15,600 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, black. Mileage: 79,483 miles. Price: £24,000, £5,150 more than this car. Dealer: Sytner Nottingham BMW in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-dc165de5364c
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 79,300 miles. Price: £20,981, £2,131 more 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, blue. Mileage: 81,000 miles. Price: £18,495, £355 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, black, 24 miles from this car. Mileage: 60,331 miles. Price: £21,495, £2,645 more than this car. Dealer: R S Car Sales in Crewe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8a22639c1a6e