2018 BMW X3 2.0 20i SE

Overview

• Make: BMW
• Model: X3
• Trim: SE
• Version: 2.0 20i GPF SE Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 33,454 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 33,454 miles on the clock, this 2018 BMW X3 SE has done roughly 31,400 fewer miles than a typical 2018 BMW X3. Its asking price of £17,600 is £2,154 below the AskCar estimate of £19,754. To work out the AskCar estimate, we analyse UK dealer adverts for 3,076 BMW X3 cars across different ages and specifications. The asking price is now £2,850 lower than when we first recorded the advert 107 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Car Planet Watford in Rickmansworth. 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

Good value: £2,154 (10%) under the AskCar estimate of £19,754.

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 petrol 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 107 days.

Price history

AskCar first saw this advert on 21 July 2026 at £20,450. Its asking price is now £17,600, £2,850 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 21 July 2026: £20,450
• 3 August 2026: £20,500
• 10 August 2026: £20,350
• 18 August 2026: £20,200
• 28 August 2026: £20,150
• 3 September 2026: £20,200
• 9 September 2026: £19,900
• 15 September 2026: £19,650
• 22 September 2026: £19,350
• 28 September 2026: £19,050
• 4 October 2026: £18,750
• 13 October 2026: £18,450
• 19 October 2026: £18,200
• 26 October 2026: £17,900
• 1 November 2026: £17,600

Mileage and MOT

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

It failed its MOT on 12 January 2026 (nearside rear inner tyre has a tear, caused by separation or partial failure of its structure) and passed 7 days later, on 19 January 2026.

There were no advisories at the latest test.

Mileage at that test: 30,955 miles, which matches the advertised 33,454 miles.

Advertised mileage is about 31,400 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

8 other 2018 BMW X3 SE 2.0 petrol automatic SUVs are for sale at UK dealers, from £11,990 to £19,990, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 SE, 2.0 petrol SUV, grey. Mileage: 30,000 miles. Price: £19,990, £2,390 more than this car. Dealer: Andrew James Cars in Rochester. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-eb86820ada17
• 2018 BMW X3 SE, 2.0 petrol SUV, silver. Mileage: 49,624 miles. Price: £18,700, £1,100 more than this car. Dealer: Sytner Select Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-e43709b8271d
• 2018 BMW X3 SE, 2.0 petrol SUV, grey. Mileage: 52,593 miles. Price: £17,795, £195 more than this car. Dealer: Parkland Motors in Costock. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-0b3ac42eae83

• The nearest: 2018 BMW X3 SE, 2.0 petrol SUV, silver, 31 miles from this car. Mileage: 118,000 miles. Price: £11,990, £5,610 less than this car. Dealer: John Hammick in Havering. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-cd1c3762d671