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: 20,426 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport has covered 20,426 miles, around 44,500 fewer miles than is typical for its age. The AskCar estimate for this car is £23,884. It is priced at £23,771, which is £113 below that estimate. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 50 days ago. Its asking price has since fallen by £864. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Berry Cobham BMW, based in Cobham. 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: £113 (under 1%) under the AskCar estimate of £23,884.

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 50 days.

Price history

AskCar first saw this advert on 15 September 2026 at £24,635. Its asking price is now £23,771, £864 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 15 September 2026: £24,635
• 28 October 2026: £23,771

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 April 2027.

It failed its MOT on 21 April 2026 (nearside front windscreen wiper does not clear the windscreen effectively; offside front windscreen wiper does not clear the windscreen effectively; nearside front tyre tread depth below requirements of 1.6mm below limit 245 50 r19 105w runflat; and 3 more) and passed 6 days later, on 27 April 2026.

There were no advisories at the latest test.

Mileage at that test: 19,938 miles, which matches the advertised 20,426 miles.

Advertised mileage is about 44,500 miles lower 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 £22,595, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 2.0 petrol SUV, silver. Mileage: 42,338 miles. Price: £20,975, £2,796 less than this car. Dealer: Portland Of Bawtry in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b4c5b9cf0c76
• 2018 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 42,613 miles. Price: £20,390, £3,381 less than this car. Dealer: Sturgess Of Leicester in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-267c5735391d
• 2018 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 42,767 miles. Price: £18,750, £5,021 less than this car. Dealer: MinsterMotorGroup.com in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-749eb92dd529

• The nearest: 2018 BMW X3 M Sport, 2.0 petrol SUV, black, 13 miles from this car. Mileage: 70,456 miles. Price: £19,400, £4,371 less than this car. Dealer: Berry Heathrow in Heathrow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8ee569335386