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: 70,973 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 166 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 70,973 miles, approximately 6,100 above the typical mileage for its age. Its asking price of £16,990 is £958 below the AskCar estimate of £17,948. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 160 days ago, the asking price has dropped by £1,710. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carworld Car Supermarket, based in Peterborough. 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: £958 (5%) under the AskCar estimate of £17,948.

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 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £18,700. Its asking price is now £16,990, £1,710 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 28 May 2026: £18,700
• 25 June 2026: £18,490
• 30 July 2026: £17,990
• 11 September 2026: £17,400
• 30 October 2026: £16,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 June 2027.

It failed its MOT on 6 June 2026 (offside front windscreen wiper does not clear the windscreen effectively) and passed 3 days later, on 9 June 2026.

There were no advisories at the latest test.

Mileage at that test: 70,975 miles, which matches the advertised 70,973 miles.

Advertised mileage is about 6,100 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, black. Mileage: 70,456 miles. Price: £19,400, £2,410 more than this car. Dealer: Berry Heathrow in Heathrow. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8ee569335386
• 2018 BMW X3 M Sport, 2.0 petrol SUV, grey. Mileage: 70,000 miles. Price: £18,800, £1,810 more than this car. Dealer: Reynolds Motor Group Southend-on-sea in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-f03c0208b530
• 2018 BMW X3 M Sport, 2.0 petrol SUV, white. Mileage: 67,723 miles. Price: £16,990, the same price as this car. Dealer: Global Cars in Enfield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-4a261ce720c5

• The nearest: 2018 BMW X3 M Sport, 2.0 petrol SUV, blue, under a mile from this car. Mileage: 47,990 miles. Price: £21,957, £4,967 more than this car. Dealer: Global Car Company T/A We-Sell-Any-Car.Com in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e8c8f158ec1d