2018 BMW X3 2.0 20i SE

Overview

• Make: BMW
• Model: X3
• Trim: SE
• Version: 2.0 20i SE Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2018
• Mileage: 30,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 166 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 SE has covered 30,000 miles. Priced at £19,990, it is advertised £352 below the AskCar estimate of £20,342. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 35 days ago, the asking price has dropped by £1,000. Ask the dealer why the advert shows fewer miles than the 31,970 recorded at the latest MOT. Its recorded MOT is valid until 25 June 2027. It is advertised by Andrew James Cars in Rochester. 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: £352 (1%) under the AskCar estimate of £20,342.

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 petrol 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 35 days.

Price history

AskCar first saw this advert on 30 September 2026 at £20,990. Its asking price is now £19,990, £1,000 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

• 30 September 2026: £20,990
• 13 October 2026: £19,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 25 June 2027.

It has had 7 MOTs. The latest, on 18 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 31,970 miles. The advert says 30,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 34,900 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 £18,700, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 SE, 2.0 petrol SUV, blue. Mileage: 33,454 miles. Price: £17,600, £2,390 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5686761d05b6
• 2018 BMW X3 SE, 2.0 petrol SUV, silver. Mileage: 49,624 miles. Price: £18,700, £1,290 less 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, £2,195 less 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, 20 miles from this car. Mileage: 118,000 miles. Price: £11,990, £8,000 less than this car. Dealer: John Hammick in Havering. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-cd1c3762d671