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: 47,814 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 47,814 miles, approximately 16,600 below the typical mileage for its age. Its asking price of £21,671 is £606 above the AskCar estimate of £21,065. 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 31 days ago. Its asking price has since fallen by £1,079. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Berry Chiswick BMW in Brentford. 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: £606 (2%) over the AskCar estimate of £21,065.

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 31 days.

Price history

AskCar first saw this advert on 2 October 2026 at £22,750. Its asking price is now £21,671, £1,079 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 2 October 2026: £22,750
• 13 October 2026: £21,671
• 17 October 2026: £22,750
• 22 October 2026: £21,671

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 5 September 2027.

It has had 7 MOTs. The latest, on 12 August 2026, passed.

Advisories at the latest test: o/s/f tyre worn slightly on outer edge.

Mileage at that test: 46,745 miles, which matches the advertised 47,814 miles.

Advertised mileage is about 16,600 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, white. Mileage: 47,385 miles. Price: £19,500, £2,171 less than this car. Dealer: Swansway Garages in Chester. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-18b48885284d
• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 48,924 miles. Price: £19,490, £2,181 less than this car. Dealer: S.J. Rayner (Cars) in Kidderminster. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-38bb13d1d3cb
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 49,000 miles. Price: £23,289, £1,618 more than this car. Dealer: Starline Car Sales in Stamford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-1ad9a54dfefe

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, grey, under a mile from this car. Mileage: 68,618 miles. Price: £19,900, £1,771 less than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ec84a6ea05cd