2015 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: 2015
• 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 2015 BMW 6 Series M Sport has covered 59,000 miles, around 15,200 fewer miles than is typical for its age. The dealer is asking £15,995, which is £530 above the AskCar estimate of £15,465. To work out the AskCar estimate, we analyse UK dealer adverts for 159 BMW 6 Series cars across different ages and specifications. Since we first spotted the advert 160 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Eclipse Car Sales in Eastleigh. 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: £530 (3%) over the AskCar estimate of £15,465.

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.

A 2015 BMW 6 Series with the 3.0 diesel engine is typically advertised at £13,100: the median of the 14 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2015 BMW 6 Series has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £16,495. Its asking price is now £15,995, £500 less. The latest price cut was seen on 2 October 2026.

Price changes recorded:

• 29 May 2026: £16,495
• 2 October 2026: £15,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 8 April 2027.

It has had 9 MOTs. The latest, on 9 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,398 miles, which matches the advertised 59,000 miles.

Advertised mileage is about 15,200 miles lower than the median mileage of a 2015 BMW 6 Series on AskCar.

Similar cars

2 other 2015 BMW 6 Series M Sport 3.0 diesel automatic convertibles are for sale at UK dealers, from £12,495 to £13,500, as of 4 November 2026.

The 2 closest to this car in mileage:

• 2015 BMW 6 Series M Sport, 3.0 diesel convertible, white. Mileage: 83,000 miles. Price: £13,500, £2,495 less than this car. Dealer: GS Car Centre in Preston. AskCar page: https://askcar.co.uk/car/bmw-6-series-2015-b18722741083
• 2015 BMW 6 Series M Sport, 3.0 diesel convertible, black. Mileage: 87,000 miles. Price: £12,495, £3,500 less than this car. Dealer: Lindale Motors in Oldham. AskCar page: https://askcar.co.uk/car/bmw-6-series-2015-28907f2fd929