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: 66,535 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 66,535 miles on the clock, this 2018 BMW X3 M Sport has done roughly 2,600 more miles than a typical 2018 BMW X3. Its asking price of £17,995 is £723 below the AskCar estimate of £18,718. The AskCar estimate uses UK dealer asking prices, including 3,051 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Richtoy Subaru, based in Scunthorpe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £723 (3%) under the AskCar estimate of £18,718.

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 3,051 priced BMW X3 adverts across different ages and specifications, as of 10 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,500: the median of the 155 for sale on AskCar, as of 10 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: 99 of the 231 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £17,995. 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 10 November 2026: valid until 17 April 2027.

It has had 6 MOTs. The latest, on 2 April 2026, passed.

Advisories at the latest test: nearside front brake disc worn, but not excessively lipped; offside front brake disc worn, but not excessively lipped; nearside rear brake disc worn, but not excessively lipped; and 3 more.

Mileage at that test: 59,976 miles, which matches the advertised 66,535 miles.

Advertised mileage is about 2,600 miles higher 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 10 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 67,514 miles. Price: £17,490, £505 less than this car. Dealer: Pinewood Autos in Godstone. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-666c48d20423
• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 65,146 miles. Price: £18,999, £1,004 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-36158c4c851e
• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 68,618 miles. Price: £19,271, £1,276 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ec84a6ea05cd

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 4 miles from this car. Mileage: 75,617 miles. Price: £16,894, £1,101 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-1321e7198467