2018 BMW X3 2.0 20d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 xDrive20d M Sport Auto 4WD Euro 6 5dr (187 bhp)
• Year: 2018
• Mileage: 29,950 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 BMW X3 M Sport is 29,950 miles. Its asking price of £21,750 is £1,462 below the AskCar estimate of £23,212. The AskCar estimate draws on 3,052 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. The latest MOT recorded 41,294 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expires on 24 February 2027. It is advertised by Sytner Oldbury BMW in Warley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,462 (6%) under the AskCar estimate of £23,212.

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 3,052 priced BMW X3 adverts across different ages and specifications, as of 7 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,500: the median of the 157 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2018 BMW X3 advertised today. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 97 of the 227 first advertised between 9 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £21,750. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 24 February 2027.

It has had 8 MOTs. The latest, on 19 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 41,294 miles. The advert says 29,950 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 33,800 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

84 other 2018 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,950 to £24,450, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 30,233 miles. Price: £21,995, £245 more than this car. Dealer: Wheelers Chipping Norton in Chipping Norton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6db462328a37
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 28,369 miles. Price: £22,000, £250 more than 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: £21,392, £358 less than this car. Dealer: West Riding Hyundai Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-10724f152e8f

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 36,000 miles. Price: £22,000, £250 more than this car. Dealer: Sytner Oldbury BMW in Oldbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-710ea5cac93a