2018 BMW 6 Series Gran Coupe 3.0 640d M Sport

Overview

• Make: BMW
• Model: 6 Series Gran Coupe
• Trim: M Sport
• Version: 3.0 640d M Sport Auto RWD Euro 6 (s/s) 4dr (309 bhp)
• Year: 2018
• Mileage: 60,700 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 152 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 6 Series Gran Coupe M Sport is advertised with 60,700 miles on the clock. Its asking price of £18,495 is £521 below the AskCar estimate of £19,016. The AskCar estimate draws on 111 BMW 6 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 8 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at BM Automotive (Sw) in Saltash. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £521 (2%) under the AskCar estimate of £19,016.

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 111 priced BMW 6 Series Gran Coupe adverts across different ages and specifications, as of 8 November 2026.

A 2018 BMW 6 Series Gran Coupe with the 3.0 diesel engine is typically advertised at £18,000: the median of the 19 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2018 BMW 6 Series Gran Coupe has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 31 October 2026 at £18,495. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 25 April 2027.

It has had 6 MOTs. The latest, on 25 April 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge worn on edges; offside front tyre worn close to legal limit/worn on edge worn on edges; offside rear outer tyre worn close to legal limit/worn on edge worn outer edge; and 2 more.

Mileage at that test: 54,696 miles, which matches the advertised 60,700 miles.

Similar cars

18 other 2018 BMW 6 Series Gran Coupe M Sport 3.0 diesel automatic saloons are for sale at UK dealers, from £13,995 to £27,995, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 6 Series Gran Coupe M Sport, 3.0 diesel saloon, black. Mileage: 60,667 miles. Price: £17,730, £765 less than this car. Dealer: Auto Choice in Newtownards. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-coupe-2018-f0262eb1807d
• 2018 BMW 6 Series Gran Coupe M Sport, 3.0 diesel saloon, blue. Mileage: 60,940 miles. Price: £22,000, £3,505 more than this car. Dealer: Sam Jordan Cars in Stanningfield. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-coupe-2018-5cbccdd5f07d
• 2018 BMW 6 Series Gran Coupe M Sport, 3.0 diesel saloon, black. Mileage: 60,118 miles. Price: £17,999, £496 less than this car. Dealer: Ccs Car Sales in Thatcham. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-coupe-2018-050635845dec