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: 83,652 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 83,652 miles, approximately 19,700 above the typical mileage for its age. The AskCar estimate for this car is £19,115. It is priced at £19,995, which is £880 above that estimate. The AskCar estimate uses UK dealer asking prices, including 3,051 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 33 days ago. The government's MOT record matches its advertised mileage. It is advertised by German Motor Store in Chesterfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £880 (4%) over the AskCar estimate of £19,115.

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 3,051 priced BMW X3 adverts across different ages and specifications, as of 10 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 10 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 8 October 2026 at £19,995. 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 10 November 2026: valid until 26 July 2027.

It failed its MOT on 15 July 2026 (tyre pressure monitoring system malfunctioning or obviously inoperative) and passed later the same day.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge tyre is worn to 3mm.

Mileage at that test: 82,416 miles, which matches the advertised 83,652 miles.

Advertised mileage is about 19,700 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 £17,495 to £29,450, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 84,920 miles. Price: £17,495, £2,500 less than this car. Dealer: Position One Motor Company in Leatherhead. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-64a44a3d684b
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 86,000 miles. Price: £19,895, £100 less than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-7d0a1c679aa1
• 2018 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 81,000 miles. Price: £18,495, £1,500 less than this car. Dealer: Lewis Motors Direct in Aberystwyth. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-fed27fe113ee

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, black, under a mile from this car. Mileage: 71,150 miles. Price: £20,690, £695 more than this car. Dealer: Stratstone Bmw Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-59128fe78094