2017 BMW X6 3.0 40d M Sport
Version: 3.0 40d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
Price: £21,050. Fair price: £1,435 (6%) under the AskCar estimate of £22,485, our expected asking price for this car from its model, age, mileage and specification, drawing on 528 priced BMW X6 adverts on AskCar as of 31 October 2026.
AskCar lists 541 used BMW X6 from 380 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- X6
- Trim
- M Sport
- Version
- 3.0 40d M Sport Auto 4WD Euro 6 (s/s) 5dr (309 bhp)
- Mileage
- 55,985 miles
- Year
- 2017
- Fuel type
- Diesel
- Body type
- SUV
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 309 bhp
- Seats
- 5
- CO2
- 165 g/km
- Colour
- Black
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Engine badge
- 40d
- Emissions standard
- Euro 6
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 £1,435 below the AskCar estimate of £22,485. The AskCar estimate uses UK dealer asking prices, including 528 BMW X6 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. MOT records show an expiry date of 28 January 2027, and the latest recorded mileage is consistent with the advert. The seller is Car Planet Watford, based in Rickmansworth.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £21,050 |
Price and mileage comparison
Fair price: £1,435 (6%) under the AskCar estimate of £22,485.
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 528 priced BMW X6 adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 15,000 miles lower than the median mileage of a 2017 BMW X6 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 28 January 2027. 50,230 miles at the last test.
Other matching cars
32 other 2017 BMW X6 M Sport automatic diesel cars are for sale at UK dealers from £14,999 to £23,990, as of 31 October 2026.
The 5 cheapest:
- 2017 BMW X6. Price: £14,999. Mileage: 132,000 miles. Dealer: Redworth 4x4 in Shotton. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-dd2c4eb1e169
- 2017 BMW X6. Price: £15,390. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-85b8ddb0df09
- 2017 BMW X6. Price: £15,395. Mileage: 102,100 miles. Dealer: Mark One Cars in Chesterfield. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-41fb32e30d6d
- 2017 BMW X6. Price: £16,350. Mileage: 84,108 miles. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-eab4d3ccb1b2
- 2017 BMW X6. Price: £16,800. Mileage: 104,000 miles. Dealer: Rowlands Motor Company in Havering. AskCar page: https://askcar.co.uk/car/bmw-x6-2017-4696b05fbe50
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW X6 cars for sale · 2017 BMW X6 price guide
More like this
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.