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: 34,000 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

This 2018 BMW X3 SE has covered 34,000 miles. The dealer is asking £20,995, which is £1,438 above the AskCar estimate of £19,557. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. It first appeared in our advert records 33 days ago. Ask the dealer why the advert shows fewer miles than the 50,791 recorded at the latest MOT. Its recorded MOT is valid until 24 June 2027. It is advertised by Southern Prestige Cars in Crawley. 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: £1,438 (7%) over the AskCar estimate of £19,557.

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 33 days.

Price history

AskCar first saw this advert on 3 October 2026 at £20,995. 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 5 November 2026: valid until 24 June 2027.

It has had 6 MOTs. The latest, on 10 June 2026, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords deep cut in tread. no ply/cord visible; tyre worn close to legal limit/worn on edge both front tyres wearing low on outer edge; multiple small cuts in both rear tyres.

Mileage at that test: 50,791 miles. The advert says 34,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 30,900 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, black. Mileage: 18,200 miles. Price: £21,492, £497 more than this car. Dealer: Country Car in Warwick. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5484b89af5bf
• 2018 BMW X3 SE, 2.0 diesel SUV, black. Mileage: 51,000 miles. Price: £17,990, £3,005 less than this car. Dealer: John Warren Cars in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-6111b7dd1832
• 2018 BMW X3 SE, 2.0 diesel SUV, blue. Mileage: 52,534 miles. Price: £18,495, £2,500 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ad740d0af25d

• The nearest: 2018 BMW X3 SE, 2.0 diesel SUV, grey, under a mile from this car. Mileage: 6,000 miles. Price: £23,995, £3,000 more than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-da13c0e6827e