2018 BMW X3 3.0 30d Xline

Overview

• Make: BMW
• Model: X3
• Trim: Xline
• Version: 3.0 30d Xline Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
• Year: 2018
• Mileage: 44,787 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 44,787 miles, this 2018 BMW X3 Xline has covered about 20,100 fewer miles than other 2018 BMW X3 cars. The AskCar estimate for this car is £21,510. It is priced at £19,950, which is £1,560 below that estimate. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £2,800. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is cartime Rochdale, based in Rochdale. 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: £1,560 (7%) under the AskCar estimate of £21,510.

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 3.0 diesel engine is typically advertised at £22,000: the median of the 64 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 30 May 2026 at £22,750. Its asking price is now £19,950, £2,800 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 31 May 2026: £22,750
• 12 July 2026: £22,330
• 15 August 2026: £21,588
• 19 September 2026: £21,350
• 24 September 2026: £20,850
• 3 October 2026: £20,753
• 6 October 2026: £20,550
• 14 October 2026: £20,400
• 20 October 2026: £20,150
• 4 November 2026: £19,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 May 2027.

It has had 7 MOTs. The latest, on 14 May 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 44,839 miles, which matches the advertised 44,787 miles.

Advertised mileage is about 20,100 miles lower than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

4 other 2018 BMW X3 Xline 3.0 diesel automatic SUVs are for sale at UK dealers, from £18,200 to £20,989, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 Xline, 3.0 diesel SUV, silver. Mileage: 50,584 miles. Price: £20,989, £1,039 more than this car. Dealer: Vospers Approved Used St Austell in St Austell. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-08efeb87889d
• 2018 BMW X3 Xline, 3.0 diesel SUV, black. Mileage: 62,236 miles. Price: £18,280, £1,670 less than this car. Dealer: Evans Halshaw Hyundai Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-ff2e12933d9c
• 2018 BMW X3 Xline, 3.0 diesel SUV, silver. Mileage: 64,609 miles. Price: £18,998, £952 less than this car. Dealer: Arnold Clark East Kilbride Motorstore in East Kilbride. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-5dce0eeace2c