2018 BMW X3 2.0 20d Xline

Overview

• Make: BMW
• Model: X3
• Trim: Xline
• Version: 2.0 20d Xline Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 106,776 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 Xline is advertised with 106,776 miles, approximately 41,900 above the typical mileage for its age. The dealer is asking £12,611, which is £287 below the AskCar estimate of £12,898. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. We first recorded this advert 66 days ago, and its asking price has since fallen by £388. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Wiz Motors, based in Luton. 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: £287 (2%) under the AskCar estimate of £12,898.

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 diesel 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 66 days.

Price history

AskCar first saw this advert on 30 August 2026 at £12,999. Its asking price is now £12,611, £388 less. The latest price cut was seen on 26 September 2026.

Price changes recorded:

• 30 August 2026: £12,999
• 4 September 2026: £12,899
• 26 September 2026: £12,399
• 17 October 2026: £12,611

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 26 February 2027.

It failed its MOT on 24 February 2026 (offside front side repeater not working) and passed 3 days later, on 27 February 2026.

Advisories at the latest test: offside rear tyre has a cut but not deep enough to reach the ply or cords cuts in tread and nail in tyre (RFT); nearside rear tyre has a cut but not deep enough to reach the ply or cords cuts in tread.

Mileage at that test: 100,947 miles, which matches the advertised 106,776 miles.

Advertised mileage is about 41,900 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

14 other 2018 BMW X3 Xline 2.0 diesel automatic SUVs are for sale at UK dealers, from £13,430 to £20,998, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 Xline, 2.0 diesel SUV, blue. Mileage: 99,710 miles. Price: £13,995, £1,384 more than this car. Dealer: Globe Automotive in Stourbridge. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-dbf7e370e1eb
• 2018 BMW X3 Xline, 2.0 diesel SUV, black. Mileage: 97,434 miles. Price: £13,430, £819 more than this car. Dealer: Silver Birch Motor Company in Royal Sutton Coldfield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-afd6b5091b18
• 2018 BMW X3 Xline, 2.0 diesel SUV, grey. Mileage: 118,000 miles. Price: £13,999, £1,388 more than this car. Dealer: Motordrive in Derby. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-fd94268bca82

• The nearest: 2018 BMW X3 Xline, 2.0 diesel SUV, silver, 16 miles from this car. Mileage: 33,995 miles. Price: £20,890, £8,279 more than this car. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-d95a4def6d12