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: 54,013 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 54,013 miles on the clock, this 2018 BMW X3 M Sport has done roughly 10,900 fewer miles than a typical 2018 BMW X3. Its asking price of £18,999 is £1,251 below the AskCar estimate of £20,250. The AskCar estimate uses UK dealer asking prices, including 3,076 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 161 days ago, the asking price has dropped by £3,241. The recorded MOT expired on 30 July 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Wheatley Car Centre, based in Oxford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,251 (6%) under the AskCar estimate of £20,250.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,300: the median of the 150 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £22,240. Its asking price is now £18,999, £3,241 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

• 28 May 2026: £22,240
• 17 June 2026: £21,580
• 17 July 2026: £20,914
• 3 September 2026: £19,856
• 22 September 2026: £19,514
• 10 October 2026: £18,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 30 July 2026; ask the dealer for the current MOT.

It failed its MOT on 19 June 2025 (nearside windscreen wiper does not clear the windscreen effectively; offside windscreen wiper does not clear the windscreen effectively; offside rear seat belt buckle not functioning as intended; and 1 more) and passed 42 days later, on 31 July 2025.

There were no advisories at the latest test.

Mileage at that test: 45,038 miles, which matches the advertised 54,013 miles.

Advertised mileage is about 10,900 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

80 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 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 54,596 miles. Price: £19,695, £696 more than this car. Dealer: Sycamore Stamford in Stamford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-478b56a8b77c
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 54,681 miles. Price: £19,695, £696 more than this car. Dealer: Jones Motor Company in Chester. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f9bae4513fb6
• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 53,324 miles. Price: £20,000, £1,001 more than this car. Dealer: Richard Nash Nearly New Car Centre in Norwich. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-946d5b333f38

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, blue, 19 miles from this car. Mileage: 28,369 miles. Price: £22,000, £3,001 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-65267e41dc33