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: 65,692 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport has covered 65,692 miles. The AskCar estimate for this car is £21,739. It is priced at £21,793, which is £54 above that estimate. The AskCar estimate uses UK dealer asking prices, including 3,099 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 55 days ago. Its asking price has since fallen by £2,197. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Bedford BMW, based in Bedford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £54 (under 1%) over the AskCar estimate of £21,739.

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 3,099 priced BMW X3 adverts across different ages and specifications, as of 6 November 2026.

A 2018 BMW X3 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 65 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 55 days.

Price history

AskCar first saw this advert on 12 September 2026 at £23,990. Its asking price is now £21,793, £2,197 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 12 September 2026: £23,990
• 24 September 2026: £23,493
• 1 October 2026: £22,993
• 13 October 2026: £21,993
• 23 October 2026: £21,793

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 29 April 2027.

It has had 6 MOTs. The latest, on 9 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 61,447 miles, which matches the advertised 65,692 miles.

Advertised mileage is about 1,200 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 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 64,446 miles. Price: £21,995, £202 more than this car. Dealer: Selecta Cars in Colchester. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7e8c06f70e38
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 64,415 miles. Price: £22,000, £207 more than this car. Dealer: Sytner Chigwell BMW in Chigwell. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-657344f6cf37
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 67,296 miles. Price: £21,991, £198 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, 4 miles from this car. Mileage: 73,000 miles. Price: £22,295, £502 more than this car. Dealer: Goldstone Cars in Kempston. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b51562313fb8