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: 58,251 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 has covered 58,251 miles, around 6,600 fewer miles than is typical for its age. The AskCar estimate for this car is £22,907. It is priced at £23,099, which is £192 above that estimate. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 18 days ago. Its asking price has since fallen by £700. The government's MOT record matches its advertised mileage. It is for sale at cinch Corby in North Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £192 (under 1%) over the AskCar estimate of £22,907.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 18 days.

Price history

AskCar first saw this advert on 17 October 2026 at £23,799. Its asking price is now £23,099, £700 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 17 October 2026: £23,799
• 3 November 2026: £23,099

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 4 October 2027.

It has had 7 MOTs. The latest, on 5 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,153 miles, which matches the advertised 58,251 miles.

Advertised mileage is about 6,600 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 £17,495 to £29,450, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 58,821 miles. Price: £23,711, £612 more than this car. Dealer: The Gemini Group in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-027108bbd12b
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 57,345 miles. Price: £20,995, £2,104 less than this car. Dealer: Auriga Cars in Coal Aston. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-d2f58caf0bff
• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 60,300 miles. Price: £21,490, £1,609 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6237c7e30142

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, 14 miles from this car. Mileage: 88,000 miles. Price: £22,990, £109 less than this car. Dealer: Starline Car Sales in Stamford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-21114233081a