2018 BMW X3 3.0 30d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
• Year: 2018
• Mileage: 68,601 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 68,601 miles, this 2018 BMW X3 M Sport has covered about 4,200 more miles than other 2018 BMW X3 cars. Priced at £21,099, it is advertised £352 below the AskCar estimate of £21,451. The AskCar estimate uses 2,992 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 32 days ago. Its asking price has since fallen by £756. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Mercedes-Benz of Shrewsbury, based in Shrewsbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £352 (1%) under the AskCar estimate of £21,451.

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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 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 2 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £21,855. Its asking price is now £21,099, £756 less. The latest price cut was seen on 12 October 2026.

Price changes recorded:

• 1 October 2026: £21,855
• 12 October 2026: £20,999
• 27 October 2026: £21,099

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 October 2027.

It has had 7 MOTs. The latest, on 25 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 68,485 miles, which matches the advertised 68,601 miles.

Advertised mileage is about 4,200 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

43 other 2018 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £15,950 to £29,950, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 67,296 miles. Price: £21,991, £892 more than this car. Dealer: Cardiff Trade Sales in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-586f46145a52
• 2018 BMW X3 M Sport, 3.0 diesel SUV, silver. Mileage: 70,000 miles. Price: £21,480, £381 more than this car. Dealer: The Car Arena in Kimberley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-c361874d32ca
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 71,400 miles. Price: £21,995, £896 more than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-052155fd718a

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, grey, under a mile from this car. Mileage: 63,000 miles. Price: £20,495, £604 less than this car. Dealer: Penguin Cars in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-07e4570160f3