2014 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 5 (s/s) 2dr (309 bhp)
• Year: 2014
• Mileage: 112,687 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 149 g/km
• Emissions standard: Euro 5

About this car

With 112,687 miles on the clock, this 2014 BMW 6 Series M Sport has done roughly 34,000 more miles than a typical 2014 BMW 6 Series. The dealer is asking £8,999, which is £136 below the AskCar estimate of £9,135. 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 34 days ago, the asking price has dropped by £1,000. The government's MOT record matches its advertised mileage. It is advertised by AL Prestige Cars 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: £136 (1%) under the AskCar estimate of £9,135.

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 2014 BMW 6 Series with the 3.0 diesel engine is typically advertised at £11,000: the median of the 21 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2014 BMW 6 Series has been on sale for at least 34 days.

Price history

AskCar first saw this advert on 1 October 2026 at £9,999. Its asking price is now £8,999, £1,000 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 1 October 2026: £9,999
• 3 October 2026: £9,499
• 14 October 2026: £8,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 28 January 2027.

It failed its MOT on 29 January 2026 (front windscreen washer provides insufficient washer liquid; nearside front windscreen damaged but not adversely affecting driver's view; front registration plate inscription illegible; and 1 more) and passed later the same day.

Advisories at the latest test: nearside front lower suspension arm pin or bush worn but not resulting in excessive movement front arm early attention; nearside front lower suspension arm pin or bush worn but not resulting in excessive movement centre arm early attention; offside front lower suspension arm pin or bush worn but not resulting in excessive movement front arm early attention; and 4 more.

Mileage at that test: 109,765 miles, which matches the advertised 112,687 miles.

Advertised mileage is about 34,000 miles higher than the median mileage of a 2014 BMW 6 Series on AskCar.

Similar cars

5 other 2014 BMW 6 Series M Sport 3.0 diesel automatic convertibles are for sale at UK dealers, from £8,990 to £12,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2014 BMW 6 Series M Sport, 3.0 diesel convertible, blue. Mileage: 129,000 miles. Price: £8,990, the same price as this car. Dealer: German Technik in Rickmansworth. AskCar page: https://askcar.co.uk/car/bmw-6-series-2014-9b3be846fe98
• 2014 BMW 6 Series M Sport, 3.0 diesel convertible, white. Mileage: 75,000 miles. Price: £11,995, £2,996 more than this car. Dealer: Wheels Excellence in Chesham. AskCar page: https://askcar.co.uk/car/bmw-6-series-2014-8969645136fd
• 2014 BMW 6 Series M Sport, 3.0 diesel convertible, black. Mileage: 74,000 miles. Price: £11,995, £2,996 more than this car. Dealer: Priory Motors Sykehouse in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-6-series-2014-849b398614da