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: 30,233 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 30,233 miles, approximately 34,200 below the typical mileage for its age. Its asking price of £21,995 is £1,141 below the AskCar estimate of £23,136. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 102 days ago. Its asking price has since fallen by £1,000. Our latest MOT record expired on 9 October 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Wheelers Chipping Norton, based in Chipping Norton. 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: £1,141 (4%) under the AskCar estimate of £23,136.

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 2.0 diesel engine is typically advertised at £18,500: the median of the 151 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 102 days.

Price history

AskCar first saw this advert on 23 July 2026 at £22,995. Its asking price is now £21,995, £1,000 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

• 23 July 2026: £22,995
• 26 August 2026: £22,495
• 7 October 2026: £21,995

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 9 October 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 10 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 19,008 miles, which matches the advertised 30,233 miles.

Advertised mileage is about 34,200 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

78 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £13,250 to £23,289, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 28,369 miles. Price: £22,000, the same price as this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-65267e41dc33
• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 33,498 miles. Price: £21,491, £504 less than this car. Dealer: West Riding Hyundai Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-10724f152e8f
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 25,937 miles. Price: £21,500, £495 less than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6c54dad3518c

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, grey, 23 miles from this car. Mileage: 54,013 miles. Price: £18,999, £2,996 less than this car. Dealer: Wheatley Car Centre in Wheatley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-96179054691e