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: 25,937 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

At 25,937 miles, this 2018 BMW X3 M Sport has covered about 38,500 fewer miles than other 2018 BMW X3 cars. The AskCar estimate for this car is £23,552. It is priced at £21,500, which is £2,052 below that estimate. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 47 days ago, and its asking price has since fallen by £2,500. Its advertised mileage matches the government's MOT record. The seller is Sytner High Wycombe BMW, based in High Wycombe. 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

Good value: £2,052 (8%) under the AskCar estimate of £23,552.

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 47 days.

Price history

AskCar first saw this advert on 16 September 2026 at £24,000. Its asking price is now £21,500, £2,500 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 16 September 2026: £24,000
• 6 October 2026: £23,500
• 12 October 2026: £22,500
• 27 October 2026: £22,000
• 2 November 2026: £21,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 10 July 2027.

It has had 8 MOTs. The latest, on 6 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 24,871 miles, which matches the advertised 25,937 miles.

Advertised mileage is about 38,500 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, blue. Mileage: 28,369 miles. Price: £22,000, £500 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, black. Mileage: 30,233 miles. Price: £21,995, £495 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, white. Mileage: 33,498 miles. Price: £21,491, the same price as this car. Dealer: West Riding Hyundai Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-10724f152e8f