2018 BMW X3 2.0 20d SE

Overview

• Make: BMW
• Model: X3
• Trim: SE
• Version: 2.0 20d SE Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 51,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 140 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 51,000 miles, this 2018 BMW X3 SE has covered about 13,900 fewer miles than other 2018 BMW X3 cars. The dealer is asking £17,990, which is £125 above the AskCar estimate of £17,865. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. Since we first spotted the advert 102 days ago, the asking price has dropped by £1,700. The government's MOT record matches its advertised mileage. It is advertised by John Warren Cars in Hitchin. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £125 (under 1%) over the AskCar estimate of £17,865.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW X3 with the 2.0 diesel engine is typically advertised at £18,300: the median of the 150 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 102 days.

Price history

AskCar first saw this advert on 26 July 2026 at £19,690. Its asking price is now £17,990, £1,700 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

• 26 July 2026: £19,690
• 26 August 2026: £18,390
• 13 October 2026: £17,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 18 February 2027.

It has had 7 MOTs. The latest, on 19 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 51,455 miles, which matches the advertised 51,000 miles.

Advertised mileage is about 13,900 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

9 other 2018 BMW X3 SE 2.0 diesel automatic SUVs are for sale at UK dealers, from £15,129 to £23,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 SE, 2.0 diesel SUV, blue. Mileage: 52,534 miles. Price: £18,495, £505 more than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ad740d0af25d
• 2018 BMW X3 SE, 2.0 diesel SUV, white. Mileage: 56,999 miles. Price: £17,500, £490 less than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5d3b11cdab31
• 2018 BMW X3 SE, 2.0 diesel SUV, black. Mileage: 34,000 miles. Price: £20,995, £3,005 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-287415f3585b

• The nearest: 2018 BMW X3 SE, 2.0 diesel SUV, grey, 27 miles from this car. Mileage: 75,980 miles. Price: £17,995, the same price as this car. Dealer: Group 1 Cambridge BMW in Cambridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-da616d43cb8e