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: 81,000 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

This 2018 BMW X3 M Sport is advertised with 81,000 miles, approximately 16,600 above the typical mileage for its age. The AskCar estimate for this car is £19,652. It is priced at £18,495, which is £1,157 below that estimate. The AskCar estimate draws on 2,992 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 38 days. Our records show an MOT expiry date of 2 September 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Lewis Motors Direct in Llanon. 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: £1,157 (5%) under the AskCar estimate of £19,652.

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 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £18,495. 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 2 November 2026: the latest record we hold ran out on 2 September 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 3 September 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge inner edge wearing; offside front tyre worn close to legal limit/worn on edge inner edge wearing.

Mileage at that test: 70,129 miles, which matches the advertised 81,000 miles.

Advertised mileage is about 16,600 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, grey. Mileage: 80,000 miles. Price: £18,850, £355 more than this car. Dealer: AMD Automotive in Stockport. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b08fe11da020
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 79,483 miles. Price: £24,000, £5,505 more than this car. Dealer: Sytner Nottingham BMW in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-dc165de5364c
• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 79,300 miles. Price: £20,981, £2,486 more than this car. Dealer: Nortree Motor Company in Melksham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-8161c5fa5e23

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, grey, 69 miles from this car. Mileage: 63,000 miles. Price: £20,495, £2,000 more than this car. Dealer: Penguin Cars in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-07e4570160f3