2018 BMW X3 3.0 M40i Sport

Overview

• Make: BMW
• Model: X3
• Trim: Sport
• Version: 3.0 M40i Sport Auto 4WD Euro 6 5dr (07/18-) (349 bhp)
• Year: 2018
• Mileage: 73,500 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 349 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 180 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 73,500 miles, this 2018 BMW X3 Sport has covered about 9,000 more miles than other 2018 BMW X3 cars. Priced at £26,090, it is advertised £1,605 above the AskCar estimate of £24,485. The AskCar estimate draws on 2,998 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Williams Bmw Stockport, based in Stockport. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,605 (6%) over the AskCar estimate of £24,485.

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 2,998 priced BMW X3 adverts across different ages and specifications, as of 1 November 2026.

Time on sale

AskCar first saw this 2018 BMW X3 advertised 1 day ago.

Price history

AskCar first saw this advert on 31 October 2026 at £26,090. 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 1 November 2026: valid until 26 March 2027.

It has had 6 MOTs. The latest, on 18 March 2026, passed.

Advisories at the latest test: nearside front suspension arm pin or bush worn but not resulting in excessive movement brake control.

Mileage at that test: 68,597 miles, which matches the advertised 73,500 miles.

Advertised mileage is about 9,000 miles higher than the median mileage of a 2018 BMW X3 on AskCar.

Similar cars

1 other 2018 BMW X3 Sport 3.0 petrol automatic SUV is for sale at UK dealers, as of 1 November 2026.

The closest to this car in mileage:

• 2018 BMW X3 Sport, 3.0 petrol SUV, silver. Mileage: 67,326 miles. Price: £25,995, £95 less than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-632837f854e5