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: 69,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport has covered 69,000 miles, around 5,300 more miles than is typical for its age. Its asking price of £20,995 is £237 below the AskCar estimate of £21,232. To work out the AskCar estimate, we analyse UK dealer adverts for 3,049 BMW X3 cars across different ages and specifications. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Signature Car Specialists, based in Burnley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £237 (1%) under the AskCar estimate of £21,232.

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 3,049 priced BMW X3 adverts across different ages and specifications, as of 12 November 2026.

A 2018 BMW X3 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 67 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2018 BMW X3 advertised today. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 101 of the 234 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £20,995. 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 12 November 2026: valid until 28 October 2027.

It has had 8 MOTs. The latest, on 29 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 69,279 miles, which matches the advertised 69,000 miles.

Advertised mileage is about 5,300 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

44 other 2018 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £17,495 to £29,450, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 68,601 miles. Price: £20,936, £59 less than this car. Dealer: Lookers Mercedes-Benz of Shrewsbury in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ee97904c1d65
• 2018 BMW X3 M Sport, 3.0 diesel SUV, silver. Mileage: 70,000 miles. Price: £21,480, £485 more than this car. Dealer: The Car Arena in Kimberley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-c361874d32ca
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 67,296 miles. Price: £21,991, £996 more than this car. Dealer: Cardiff Trade Sales in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-586f46145a52

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, black, under a mile from this car. Mileage: 86,000 miles. Price: £19,895, £1,100 less than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7d0a1c679aa1