2017 BMW X6 3.0 40d M Sport

Overview

• Make: BMW
• Model: X6
• Trim: M Sport
• Version: 3.0 40d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
• Year: 2017
• Mileage: 55,985 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 55,985 miles on the clock, this 2017 BMW X6 M Sport has done roughly 15,000 fewer miles than a typical 2017 BMW X6. Its asking price of £21,050 is £1,483 below the AskCar estimate of £22,533. The AskCar estimate uses UK dealer asking prices, including 547 BMW X6 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 4 days. Its advertised mileage matches the government's MOT record. The seller is Car Planet Watford, based in Rickmansworth. 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: £1,483 (6%) under the AskCar estimate of £22,533.

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 547 priced BMW X6 adverts across different ages and specifications, as of 4 November 2026.

A 2017 BMW X6 with the 3.0 diesel engine is typically advertised at £20,200: the median of the 38 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2017 BMW X6 advertised 4 days ago.

Price history

AskCar first saw this advert on 31 October 2026 at £21,050. 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 28 January 2027.

It has had 8 MOTs. The latest, on 24 January 2026, passed.

Advisories at the latest test: oil leak, but not excessive undertray fitted; nearside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 50,230 miles, which matches the advertised 55,985 miles.

Advertised mileage is about 15,000 miles lower than the median mileage of a 2017 BMW X6 on AskCar.

Similar cars

32 other 2017 BMW X6 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £13,999 to £23,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2017 BMW X6 M Sport, 3.0 diesel SUV, red. Mileage: 57,160 miles. Price: £21,995, £945 more than this car. Dealer: Motoring WAY in Abertillery. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-df5f15ea8358
• 2017 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 57,163 miles. Price: £20,950, £100 less than this car. Dealer: Docklands Motor Co in Preston. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-d6cf1cdad185
• 2017 BMW X6 M Sport, 3.0 diesel SUV, white. Mileage: 54,650 miles. Price: £21,990, £940 more than this car. Dealer: Parker Prestige in Richmond. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-ac150c1f2810

• The nearest: 2017 BMW X6 M Sport, 3.0 diesel SUV, grey, under a mile from this car. Mileage: 45,398 miles. Price: £21,650, £600 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-4c46ce723abd