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: 71,150 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

With 71,150 miles on the clock, this 2018 BMW X3 M Sport has done roughly 6,300 more miles than a typical 2018 BMW X3. The AskCar estimate for this car is £20,989. It is priced at £20,890, which is £99 below that estimate. The AskCar estimate uses 3,076 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Bmw Chesterfield, based in Chesterfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £99 (under 1%) under the AskCar estimate of £20,989.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 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 5 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: 96 of the 220 first advertised between 9 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £20,890. 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 5 November 2026: valid until 29 March 2027.

It has had 6 MOTs. The latest, on 19 March 2026, passed.

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

Mileage at that test: 67,733 miles, which matches the advertised 71,150 miles.

Advertised mileage is about 6,300 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

45 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 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 71,400 miles. Price: £21,995, £1,105 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-052155fd718a
• 2018 BMW X3 M Sport, 3.0 diesel SUV, silver. Mileage: 70,000 miles. Price: £21,480, £590 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: 73,000 miles. Price: £22,295, £1,405 more than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b51562313fb8

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, black, 4 miles from this car. Mileage: 57,345 miles. Price: £20,995, £105 more than this car. Dealer: Auriga Cars in Coal Aston. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-d2f58caf0bff