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: 42,746 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

With 42,746 miles on the clock, this 2018 BMW X3 M Sport has done roughly 22,100 fewer miles than a typical 2018 BMW X3. Priced at £20,990, it is advertised £567 below the AskCar estimate of £21,557. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 78 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is All Electric BYD Stourbridge, based in Stourbridge. 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: £567 (2%) under the AskCar estimate of £21,557.

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 78 days.

Price history

AskCar first saw this advert on 18 August 2026 at £22,990. Its asking price is now £20,990, £2,000 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 18 August 2026: £22,990
• 27 September 2026: £22,490
• 4 October 2026: £21,990
• 9 October 2026: £21,490
• 29 October 2026: £20,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 6 May 2027.

It has had 7 MOTs. The latest, on 7 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 39,702 miles, which matches the advertised 42,746 miles.

Advertised mileage is about 22,100 miles lower 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, blue. Mileage: 42,129 miles. Price: £19,995, £995 less than this car. Dealer: Westdrive Kia in Braintree. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-1672d1f89093
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 44,541 miles. Price: £20,795, £195 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5be0cfe4085f
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 44,600 miles. Price: £19,155, £1,835 less than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f5099e119219

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 6 miles from this car. Mileage: 36,000 miles. Price: £22,000, £1,010 more than this car. Dealer: Sytner Oldbury BMW in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-710ea5cac93a