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: 56,750 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport has covered 56,750 miles, around 8,100 fewer miles than is typical for its age. Its asking price of £18,990 is £1,019 below the AskCar estimate of £20,009. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 17 days ago. Its asking price has since fallen by £260. The government's MOT record matches its advertised mileage. You can find this car at Marvello Trading in South Ockendon. 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: £1,019 (5%) under the AskCar estimate of £20,009.

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 17 days.

Price history

AskCar first saw this advert on 18 October 2026 at £19,250. Its asking price is now £18,990, £260 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

• 18 October 2026: £19,250
• 26 October 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 8 May 2027.

It has had 6 MOTs. The latest, on 30 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,465 miles, which matches the advertised 56,750 miles.

Advertised mileage is about 8,100 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, grey. Mileage: 56,662 miles. Price: £19,730, £740 more than this car. Dealer: SKV Motors in Romford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-60b16d749027
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 55,433 miles. Price: £18,600, £390 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7008062fcad3
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 58,200 miles. Price: £19,990, £1,000 more than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-40549d4d0f93