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: 82,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 82,000 miles on the clock, this 2018 BMW X3 M Sport has done roughly 17,100 more miles than a typical 2018 BMW X3. Its asking price of £15,850 is £983 below the AskCar estimate of £16,833. The AskCar estimate draws on 3,034 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 4 days ago. Its advertised mileage matches the government's MOT record. The seller is Cotswolds Cars And Commercials, based in Coventry. 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: £983 (5%) under the AskCar estimate of £16,833.

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

AskCar first saw this 2018 BMW X3 advertised 4 days ago. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 95 of the 216 first advertised between 9 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £15,850. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 September 2027.

It has had 5 MOTs. The latest, on 21 September 2026, passed.

Advisories at the latest test: nearside front suspension arm pin or bush worn but not resulting in excessive movement; offside front suspension arm pin or bush worn but not resulting in excessive movement.

Mileage at that test: 78,365 miles, which matches the advertised 82,000 miles.

Advertised mileage is about 17,100 miles higher 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, black. Mileage: 79,600 miles. Price: £17,795, £1,945 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b6ebab5e3ed6
• 2018 BMW X3 M Sport, 2.0 diesel SUV, white. Mileage: 85,000 miles. Price: £17,795, £1,945 more than this car. Dealer: DCS Specialised in Used Cars in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-609663263ce8
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 78,494 miles. Price: £17,490, £1,640 more than this car. Dealer: Right Track Cars in Fordingbridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-3a038b2af761

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, white, 10 miles from this car. Mileage: 97,114 miles. Price: £15,298, £552 less than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-97659cc1077a