2018 BMW X1 2.0 20d Xline

Price: £14,990. Fair price: £122 (under 1%) under the AskCar estimate of £15,112, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,570 priced BMW X1 adverts on AskCar as of 5 November 2026.

AskCar lists 2,634 used BMW X1 from 1,230 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: X1
  • Trim: Xline
  • Version: 2.0 20d Xline Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2018
  • Mileage: 43,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X1 Xline is advertised with 43,000 miles, approximately 13,500 below the typical mileage for its age. The AskCar estimate for this car is £15,112. It is priced at £14,990, which is £122 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,570 BMW X1 cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 131 days ago. Our latest MOT record expired on 25 September 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sigma Cars Slough, based in Maidenhead. 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: £122 (under 1%) under the AskCar estimate of £15,112.

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 2,570 priced BMW X1 adverts across different ages and specifications, as of 5 November 2026.

A 2018 BMW X1 with the 2.0 diesel engine is typically advertised at £12,800: the median of the 173 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 BMW X1 has been on sale for at least 131 days.

Price history

AskCar first saw this advert on 27 June 2026 at £15,990. Its asking price is now £14,990, £1,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 28 June 2026: £15,990
  • 28 August 2026: £15,590
  • 23 September 2026: £15,390
  • 31 October 2026: £14,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 25 September 2026; ask the dealer for the current MOT.

It failed its MOT on 10 September 2025 (rear brake pad(s) worn down to wear indicator) and passed later the same day.

Advisories at the latest test: nearside front suspension arm pin or bush worn but not resulting in excessive movement rear bush; offside front suspension arm pin or bush worn but not resulting in excessive movement rear bush.

Mileage at that test: 40,867 miles, which matches the advertised 43,000 miles.

Advertised mileage is about 13,500 miles lower than the median mileage of a 2018 BMW X1 on AskCar.

Similar cars

16 other 2018 BMW X1 Xline 2.0 diesel automatic SUVs are for sale at UK dealers, from £10,495 to £17,495, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW X1 Xline, 2.0 diesel SUV, black. Mileage: 47,138 miles. Price: £13,990, £1,000 less than this car. Dealer: County Specialist Vehicles in Taunton. AskCar page: https://askcar.co.uk/car/bmw-x1-2018-ba7c372aa58f
  • 2018 BMW X1 Xline, 2.0 diesel SUV, black. Mileage: 51,792 miles. Price: £15,475, £485 more than this car. Dealer: Group 1 Borehamwood BMW in Borehamwood. AskCar page: https://askcar.co.uk/car/bmw-x1-2018-43f37e0aeb25
  • 2018 BMW X1 Xline, 2.0 diesel SUV, bronze. Mileage: 53,000 miles. Price: £12,990, £2,000 less than this car. Dealer: Motorlanka in Stourbridge. AskCar page: https://askcar.co.uk/car/bmw-x1-2018-407076eaec60
  • The nearest: 2018 BMW X1 Xline, 2.0 diesel SUV, grey, 19 miles from this car. Mileage: 63,683 miles. Price: £12,495, £2,495 less than this car. Dealer: RJD Motors in Basingstoke. AskCar page: https://askcar.co.uk/car/bmw-x1-2018-c0c3ddbf6a79

Browse all BMW X1 cars for sale · 2018 BMW X1 price guide

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Photos

63 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.