2018 BMW X3 2.0 20i M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 xDrive20i M Sport Auto 4WD Euro 6 5dr (181 bhp)
• Year: 2018
• Mileage: 75,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 75,000 miles on the clock, this 2018 BMW X3 M Sport has done roughly 10,100 more miles than a typical 2018 BMW X3. Priced at £16,899, it is advertised £686 below the AskCar estimate of £17,585. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. This car was first seen in our listings data 96 days ago. Its advertised mileage matches the government's MOT record. The seller is Southern Automotive Solutions, based in Southampton. 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: £686 (3%) under the AskCar estimate of £17,585.

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 petrol 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 96 days.

Price history

AskCar first saw this advert on 31 July 2026 at £18,399. Its asking price is now £16,899, £1,500 less.

Price changes recorded:

• 6 August 2026: £18,399
• 22 August 2026: £18,299
• 13 September 2026: £17,973
• 18 September 2026: £17,899
• 1 October 2026: £16,999
• 28 October 2026: £16,899

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 30 March 2027.

It has had 6 MOTs. The latest, on 13 March 2026, passed.

Advisories at the latest test: central rear oil leak, but not excessive differential.

Mileage at that test: 70,631 miles, which matches the advertised 75,000 miles.

Advertised mileage is about 10,100 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

15 other 2018 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £15,495 to £23,771, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 76,000 miles. Price: £20,495, £3,596 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e7ec93006512
• 2018 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 78,000 miles. Price: £18,995, £2,096 more than this car. Dealer: Precision Motor Group in Harlow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-9797937ce956
• 2018 BMW X3 M Sport, 2.0 petrol SUV, black. Mileage: 70,973 miles. Price: £16,990, £91 more than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-21525b8e1e9e

• The nearest: 2018 BMW X3 M Sport, 2.0 petrol SUV, blue, 49 miles from this car. Mileage: 20,426 miles. Price: £23,771, £6,872 more than this car. Dealer: Berry Cobham BMW in Cobham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b4940117d998