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: 39,031 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 39,031 miles, around 25,400 fewer miles than is typical for its age. The AskCar estimate for this car is £25,472. It is priced at £25,850, which is £378 above that estimate. The AskCar estimate draws on 2,992 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £2,645. The latest recorded MOT expiry date is 11 September 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Farnborough BMW, based in Farnborough. 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: £378 (1%) over the AskCar estimate of £25,472.

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 £28,495. Its asking price is now £25,850, £2,645 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 28 May 2026: £28,495
• 4 June 2026: £27,995
• 16 June 2026: £28,495
• 17 June 2026: £27,295
• 26 August 2026: £26,350
• 28 August 2026: £27,895
• 12 September 2026: £27,750
• 23 September 2026: £27,995
• 30 September 2026: £26,995
• 6 October 2026: £26,395
• 14 October 2026: £25,995
• 27 October 2026: £25,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 11 September 2026; ask the dealer for the current MOT.

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

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 36,216 miles, which matches the advertised 39,031 miles.

Advertised mileage is about 25,400 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, grey. Mileage: 35,268 miles. Price: £22,830, £3,020 less than this car. Dealer: Evans Halshaw Ford Darlington in Darlington. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-cabfaf6f0c4a
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 43,904 miles. Price: £22,850, £3,000 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-af5971125392
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 44,118 miles. Price: £27,000, £1,150 more than this car. Dealer: Listers BMW King's Lynn in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-092d9838a40e

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, black, 2 miles from this car. Mileage: 49,900 miles. Price: £24,995, £855 less than this car. Dealer: Arena Cars in Ash and Ash Vale. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-27f67c184384