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: 128,000 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 128,000 miles on the clock, this 2018 BMW X3 M Sport has done roughly 63,600 more miles than a typical 2018 BMW X3. Its asking price of £15,950 is £1,647 above the AskCar estimate of £14,303. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. This car was first seen in our listings data 18 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Max Motors 2 in Peterborough. 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: £1,647 (11%) over the AskCar estimate of £14,303.

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 18 days.

Price history

AskCar first saw this advert on 15 October 2026 at £15,950. 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 2 November 2026: valid until 8 March 2027.

It has had 8 MOTs. The latest, on 9 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 119,836 miles, which matches the advertised 128,000 miles.

Advertised mileage is about 63,600 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 £17,495 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: 97,547 miles. Price: £25,000, £9,050 more than this car. Dealer: Sytner Luton BMW in Luton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f6065860b34d
• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 95,451 miles. Price: £17,495, £1,545 more than this car. Dealer: Lion Car Hub in Farnham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-0ba99df9b6df
• 2018 BMW X3 M Sport, 3.0 diesel SUV, white. Mileage: 93,715 miles. Price: £17,990, £2,040 more than this car. Dealer: Auto Mall in London. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7b14dc73d0fc

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, blue, 5 miles from this car. Mileage: 33,500 miles. Price: £22,690, £6,740 more than this car. Dealer: Werrington Motor Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-12606fac4812