2017 BMW 6 Series 3.0 640d M Sport

Overview

• Make: BMW
• Model: 6 Series
• Trim: M Sport
• Version: 3.0 640d M Sport Auto RWD Euro 6 2dr (308 bhp)
• Year: 2017
• Mileage: 59,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 308 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 BMW 6 Series M Sport has covered 59,000 miles, around 3,400 fewer miles than is typical for its age. Priced at £18,999, it is advertised £129 above the AskCar estimate of £18,870. The AskCar estimate uses UK dealer asking prices, including 159 BMW 6 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 41 days ago. Its asking price has since fallen by £700. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Nexa Motor Group in Southampton. 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: £129 (under 1%) over the AskCar estimate of £18,870.

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 159 priced BMW 6 Series adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2017 BMW 6 Series has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 24 September 2026 at £19,699. Its asking price is now £18,999, £700 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 24 September 2026: £19,699
• 12 October 2026: £19,499
• 18 October 2026: £19,299
• 28 October 2026: £18,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 August 2027.

It has had 8 MOTs. The latest, on 20 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,561 miles, which matches the advertised 59,000 miles.

Advertised mileage is about 3,400 miles lower than the median mileage of a 2017 BMW 6 Series on AskCar.

Similar cars

1 other 2017 BMW 6 Series M Sport 3.0 diesel automatic convertible is for sale at UK dealers, as of 4 November 2026.

The closest to this car in mileage:

• 2017 BMW 6 Series M Sport, 3.0 diesel convertible, white. Mileage: 82,000 miles. Price: £14,995, £4,004 less than this car. Dealer: Signature Autos in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-6-series-2017-5183bd17c0a0