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: 68,618 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 68,618 miles, approximately 4,200 above the typical mileage for its age. The AskCar estimate for this car is £18,582. It is priced at £19,900, which is £1,318 above that estimate. The AskCar estimate draws on 2,992 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 68 days ago. Its asking price has since fallen by £100. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at 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: £1,318 (7%) over the AskCar estimate of £18,582.

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 68 days.

Price history

AskCar first saw this advert on 26 August 2026 at £20,000. Its asking price is now £19,900, £100 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

• 26 August 2026: £20,000
• 10 October 2026: £19,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 March 2027.

It has had 6 MOTs. The latest, on 21 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 66,107 miles, which matches the advertised 68,618 miles.

Advertised mileage is about 4,200 miles higher 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, grey. Mileage: 68,700 miles. Price: £21,459, £1,559 more than this car. Dealer: S&A Motorcade in Walsall. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-d2783ee47b09
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 68,865 miles. Price: £17,795, £2,105 less than this car. Dealer: Independent Vehicle Sales in Stockport. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-bff41c34d153
• 2018 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 69,229 miles. Price: £18,385, £1,515 less than this car. Dealer: Bayer Car Sales in Fareham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-4265cf840051

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, blue, under a mile from this car. Mileage: 47,814 miles. Price: £21,671, £1,771 more than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e91539afb853