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: 67,977 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 149 g/km
• Emissions standard: Euro 5

About this car

This 2014 BMW 6 Series M Sport has covered 67,977 miles, around 12,000 fewer miles than is typical for its age. The AskCar estimate for this car is £12,759. It is priced at £10,999, which is £1,760 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 161 BMW 6 Series cars across different ages and specifications. We first saw this car advertised 161 days ago. Its asking price has since fallen by £3,000. The government's MOT record matches its advertised mileage. It is advertised by Thornbury Car Centre in Bristol. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £1,760 (13%) under the AskCar estimate of £12,759.

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 161 priced BMW 6 Series adverts across different ages and specifications, as of 5 November 2026.

A 2014 BMW 6 Series with the 3.0 diesel engine is typically advertised at £11,000: the median of the 22 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2014 BMW 6 Series has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £13,999. Its asking price is now £10,999, £3,000 less. The latest price cut was seen on 29 July 2026.

Price changes recorded:

• 29 May 2026: £13,999
• 18 June 2026: £12,999
• 29 July 2026: £10,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 23 March 2027.

It has had 11 MOTs. The latest, on 24 March 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 67,977 miles, which matches the advertised 67,977 miles.

Advertised mileage is about 12,000 miles lower 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 £8,590 to £12,990, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2014 BMW 6 Series M Sport, 3.0 diesel convertible, silver. Mileage: 72,000 miles. Price: £12,990, £1,991 more than this car. Dealer: Auto Seven 7 in Warrington. AskCar page: https://askcar.co.uk/car/bmw-6-series-2014-1af0b6b22d00
• 2014 BMW 6 Series M Sport, 3.0 diesel convertible, black. Mileage: 74,000 miles. Price: £11,995, £996 more than this car. Dealer: Priory Motors Sykehouse in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-6-series-2014-849b398614da
• 2014 BMW 6 Series M Sport, 3.0 diesel convertible, white. Mileage: 75,000 miles. Price: £11,995, £996 more than this car. Dealer: Wheels Excellence in Chesham. AskCar page: https://askcar.co.uk/car/bmw-6-series-2014-8969645136fd

• The nearest: 2014 BMW 6 Series M Sport, 3.0 diesel convertible, grey, 68 miles from this car. Mileage: 112,687 miles. Price: £8,999, £2,000 less than this car. Dealer: AL Prestige Cars in Southampton. AskCar page: https://askcar.co.uk/car/bmw-6-series-2014-ac14c5c59cee