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: 74,200 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 74,200 miles, this 2018 BMW X3 M Sport has covered about 9,800 more miles than other 2018 BMW X3 cars. Its asking price of £18,300 is £424 above the AskCar estimate of £17,876. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 38 days ago, the asking price has dropped by £400. Its advertised mileage matches the government's MOT record. The seller is GS Car Centre, based in Preston. 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: £424 (2%) over the AskCar estimate of £17,876.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £18,700. Its asking price is now £18,300, £400 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 25 September 2026: £18,700
• 10 October 2026: £18,500
• 22 October 2026: £18,400
• 1 November 2026: £18,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 November 2026.

It has had 5 MOTs. The latest, on 11 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 68,340 miles, which matches the advertised 74,200 miles.

Advertised mileage is about 9,800 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, black. Mileage: 74,180 miles. Price: £16,808, £1,492 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7bb8e47863f0
• 2018 BMW X3 M Sport, 2.0 diesel SUV, blue. Mileage: 74,000 miles. Price: £17,695, £605 less than this car. Dealer: Cavendish UK Car Sales in Sudbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e03988ffc22e
• 2018 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 74,731 miles. Price: £20,550, £2,250 more than this car. Dealer: Grange Road Motors in Cookstown. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-1b25c21524c9

• The nearest: 2018 BMW X3 M Sport, 2.0 diesel SUV, black, 14 miles from this car. Mileage: 71,700 miles. Price: £19,995, £1,695 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-35aadc2e3b8f