2018 BMW X3 2.0 20i M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 20i M Sport Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 41,719 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 166 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 41,719 miles, approximately 22,200 below the typical mileage for its age. Its asking price of £20,991 is £366 below the AskCar estimate of £21,357. The AskCar estimate uses UK dealer asking prices, including 3,051 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. It is advertised by House of Brage in Aylesbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £366 (1%) under the AskCar estimate of £21,357.

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 3,051 priced BMW X3 adverts across different ages and specifications, as of 10 November 2026.

A 2018 BMW X3 with the 2.0 petrol engine is typically advertised at £18,500: the median of the 155 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2018 BMW X3 advertised today. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 99 of the 231 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £20,991. 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 10 November 2026: valid until 22 November 2026.

It has had 6 MOTs. The latest, on 20 November 2025, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge 2mm; different tyre types across axles - OSF RFT / OSR Non-RFT, NSF Non-RFT / NSR RFT; offside front brake pad(s) wearing thin; and 1 more.

Mileage at that test: 37,820 miles, which matches the advertised 41,719 miles.

Advertised mileage is about 22,200 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

16 other 2018 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £15,950 to £23,771, as of 10 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, the same price as 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, £601 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, £2,241 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, blue, 24 miles from this car. Mileage: 53,479 miles. Price: £18,794, £2,197 less than this car. Dealer: FTR Performance in Tring. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f250c3f29095