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: 31,813 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 31,813 miles, approximately 32,600 below the typical mileage for its age. Priced at £27,850, it is advertised £1,386 above the AskCar estimate of £26,464. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 131 days ago. Its asking price has since fallen by £1,900. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandal BMW Wakefield, based in Wakefield. 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: £1,386 (5%) over the AskCar estimate of £26,464.

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 131 days.

Price history

AskCar first saw this advert on 24 June 2026 at £29,750. Its asking price is now £27,850, £1,900 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 25 June 2026: £29,750
• 15 July 2026: £29,500
• 23 July 2026: £28,950
• 30 July 2026: £28,500
• 6 August 2026: £28,250
• 13 August 2026: £27,950
• 21 August 2026: £27,500
• 27 August 2026: £27,250
• 2 September 2026: £26,950
• 10 September 2026: £26,500
• 30 September 2026: £27,500
• 8 October 2026: £27,950
• 30 October 2026: £27,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 February 2027.

It has had 8 MOTs. The latest, on 5 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,867 miles, which matches the advertised 31,813 miles.

Advertised mileage is about 32,600 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 £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, blue. Mileage: 31,414 miles. Price: £22,500, £5,350 less than this car. Dealer: Carbase Weston-super-Mare in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b2dfe91bb5ca
• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 33,500 miles. Price: £22,690, £5,160 less than this car. Dealer: Werrington Motor Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-12606fac4812
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 35,268 miles. Price: £22,830, £5,020 less than this car. Dealer: Evans Halshaw Ford Darlington in Darlington. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-cabfaf6f0c4a

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, grey, 15 miles from this car. Mileage: 74,500 miles. Price: £21,995, £5,855 less than this car. Dealer: Northern Motor House in Shipley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-2faf6e725675