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: 60,300 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

With 60,300 miles on the clock, this 2018 BMW X3 M Sport has done roughly 4,100 fewer miles than a typical 2018 BMW X3. The dealer is asking £21,490, which is £1,256 below the AskCar estimate of £22,746. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. Since we first spotted the advert 158 days ago, the asking price has dropped by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at S James Prestige in Stamford. 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: £1,256 (5%) under the AskCar estimate of £22,746.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £22,990. Its asking price is now £21,490, £1,500 less. The latest price cut was seen on 8 September 2026.

Price changes recorded:

• 29 May 2026: £22,990
• 16 June 2026: £22,490
• 14 July 2026: £21,990
• 8 September 2026: £21,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 December 2026.

It has had 6 MOTs. The latest, on 27 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 58,403 miles, which matches the advertised 60,300 miles.

Advertised mileage is about 4,100 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 £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: 60,331 miles. Price: £21,495, the same price as this car. Dealer: R S Car Sales in Crewe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8a22639c1a6e
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 60,850 miles. Price: £25,490, £4,000 more than this car. Dealer: Carrera Specialist Cars in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a0390ad79581
• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 61,805 miles. Price: £24,990, £3,500 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-89d6711ce3e6

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, 4 miles from this car. Mileage: 88,000 miles. Price: £22,990, £1,500 more than this car. Dealer: Starline Car Sales in Stamford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-21114233081a