2017 BMW X3 3.0 35d M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 35d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
• Year: 2017
• Mileage: 55,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 55,000 miles on the clock, this 2017 BMW X3 M Sport has done roughly 18,000 fewer miles than a typical 2017 BMW X3. Priced at £16,995, it is advertised £746 below the AskCar estimate of £17,741. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 13 days ago, the asking price has dropped by £455. The government's MOT record matches its advertised mileage. You can find this car at Polo Motor Company in Gillingham. 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: £746 (4%) under the AskCar estimate of £17,741.

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 2017 BMW X3 with the 3.0 diesel engine is typically advertised at £15,900: the median of the 35 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2017 BMW X3 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £17,450. Its asking price is now £16,995, £455 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 20 October 2026: £17,450
• 29 October 2026: £16,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 4 August 2027.

It has had 8 MOTs. The latest, on 17 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,039 miles, which matches the advertised 55,000 miles.

Advertised mileage is about 18,000 miles lower than the median mileage of a 2017 BMW X3 on AskCar.

Similar cars

30 other 2017 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £8,999 to £26,200, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2017 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 56,500 miles. Price: £23,450, £6,455 more than this car. Dealer: J.A. Jarvis in Fernhurst. AskCar page: https://askcar.co.uk/car/bmw-x3-2017-91509d668dd1
• 2017 BMW X3 M Sport, 3.0 diesel SUV, white. Mileage: 58,333 miles. Price: £17,250, £255 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x3-2017-0f56e2d10870
• 2017 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 59,500 miles. Price: £26,200, £9,205 more than this car. Dealer: S&A Motorcade in Walsall. AskCar page: https://askcar.co.uk/car/bmw-x3-2017-3c90d36dfa44

• The nearest: 2017 BMW X3 M Sport, 3.0 diesel SUV, black, 11 miles from this car. Mileage: 67,000 miles. Price: £16,995, the same price as this car. Dealer: Chapel Car Sales in Faversham. AskCar page: https://askcar.co.uk/car/bmw-x3-2017-28863d1099ed