2018 BMW X3 2.0 20d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 78,494 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 78,494 miles, this 2018 BMW X3 M Sport has covered about 13,600 more miles than other 2018 BMW X3 cars. The dealer is asking £17,490, which is £234 above the AskCar estimate of £17,256. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. Since we first spotted the advert 109 days ago, the asking price has dropped by £1,005. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Right Track Cars, based in Fordingbridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £234 (1%) over the AskCar estimate of £17,256.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,400: the median of the 147 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 109 days.

Price history

AskCar first saw this advert on 18 July 2026 at £18,495. Its asking price is now £17,490, £1,005 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 19 July 2026: £18,495
• 19 August 2026: £18,295
• 26 September 2026: £17,995
• 22 October 2026: £17,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 12 January 2027.

It failed its MOT on 15 December 2025 (nearside front windscreen washer provides insufficient washer liquid; offside front windscreen washer provides insufficient washer liquid; nearside front headlamp aim too high; and 1 more) and passed 2 days later, on 17 December 2025.

There were no advisories at the latest test.

Mileage at that test: 74,377 miles, which matches the advertised 78,494 miles.

Advertised mileage is about 13,600 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

79 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,950 to £23,289, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 79,600 miles. Price: £17,795, £305 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b6ebab5e3ed6
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 76,859 miles. Price: £16,995, £495 less than this car. Dealer: Oakwood Specialist Cars in Whitley Bay. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f65b5a69f21e
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 76,575 miles. Price: £17,999, £509 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-a9065a741566

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, grey, 29 miles from this car. Mileage: 69,229 miles. Price: £18,385, £895 more than this car. Dealer: Bayer Car Sales in Fareham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-4265cf840051