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: 73,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 73,000 miles, approximately 8,100 above the typical mileage for its age. Its asking price of £22,295 is £1,594 above the AskCar estimate of £20,701. The AskCar estimate draws on 3,034 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Goldstone Cars, based in Bedford. 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: £1,594 (7%) over the AskCar estimate of £20,701.

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

AskCar first saw this 2018 BMW X3 advertised today. About 4 in 10 of 2018 BMW X3 cars are gone from sale within a month of being advertised: 95 of the 216 first advertised between 9 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £22,295. 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 4 November 2026: valid until 29 September 2027.

It has had 7 MOTs. The latest, on 30 September 2026, passed.

Advisories at the latest test: nearside rear inner tyre worn close to legal limit/worn on edge.

Mileage at that test: 73,282 miles, which matches the advertised 73,000 miles.

Advertised mileage is about 8,100 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 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 74,500 miles. Price: £21,995, £300 less than this car. Dealer: Northern Motor House in Shipley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-2faf6e725675
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 71,400 miles. Price: £21,995, £300 less than this car. Dealer: Signature Car Specialists in Burnley. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-052155fd718a
• 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 76,000 miles. Price: £20,000, £2,295 less than this car. Dealer: Simply Cars in Sittingbourne. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-99c690059881

• The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, grey, 4 miles from this car. Mileage: 65,692 miles. Price: £21,793, £502 less than this car. Dealer: Group 1 Bedford BMW in Bedford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-914710dbe065