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: 61,158 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 61,158 miles on the clock, this 2018 BMW X3 M Sport has done roughly 3,700 fewer miles than a typical 2018 BMW X3. The dealer is asking £19,495, which is £11 below the AskCar estimate of £19,506. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. Since we first spotted the advert 129 days ago, the asking price has dropped by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Tenby Car Supermarket, based in Luton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £11 (under 1%) under the AskCar estimate of £19,506.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,400: the median of the 147 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 129 days.

Price history

AskCar first saw this advert on 28 June 2026 at £20,995. Its asking price is now £19,495, £1,500 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 29 June 2026: £20,995
• 2 August 2026: £20,695
• 3 September 2026: £20,295
• 7 October 2026: £19,795
• 23 October 2026: £19,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 14 January 2027.

It has had 7 MOTs. The latest, on 10 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 59,905 miles, which matches the advertised 61,158 miles.

Advertised mileage is about 3,700 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

79 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 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 61,637 miles. Price: £19,590, £95 more than this car. Dealer: Stratstone Bmw Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-83ac86f86e07
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 62,810 miles. Price: £18,995, £500 less than this car. Dealer: Sycamore Stamford in Stamford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b91b825447a3
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 59,400 miles. Price: £20,795, £1,300 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6f9c0d28f230

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, under a mile from this car. Mileage: 44,541 miles. Price: £20,795, £1,300 more than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5be0cfe4085f