2018 BMW 6 Series 3.0 640d M Sport

Price: £18,995. Good value: £1,675 (8%) under the AskCar estimate of £20,670, our expected asking price for this car from its model, age, mileage and specification, drawing on 161 priced BMW 6 Series adverts on AskCar as of 5 November 2026.

AskCar lists 181 used BMW 6 Series from 154 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: 6 Series
  • Trim: M Sport
  • Version: 3.0 640d M Sport Auto RWD Euro 6 (s/s) 2dr (309 bhp)
  • Year: 2018
  • Mileage: 63,700 miles
  • Fuel: Diesel
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.0 litres, 309 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 147 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 6 Series M Sport is advertised with 63,700 miles on the clock. The dealer is asking £18,995, which is £1,675 below the AskCar estimate of £20,670. To work out the AskCar estimate, we analyse UK dealer adverts for 161 BMW 6 Series cars across different ages and specifications. We first recorded this car for sale 105 days ago. The government's MOT record matches its advertised mileage. You can find this car at Cramag in Leeds. 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: £1,675 (8%) under the AskCar estimate of £20,670.

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.

Time on sale

This 2018 BMW 6 Series has been on sale for at least 105 days.

Price history

AskCar first saw this advert on 23 July 2026 at £18,995. 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 5 November 2026: valid until 2 July 2027.

It failed its MOT on 2 July 2026 (offside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords on outer wall) and passed 1 day later, on 3 July 2026.

There were no advisories at the latest test.

Mileage at that test: 63,364 miles, which matches the advertised 63,700 miles.

Similar cars

1 other 2018 BMW 6 Series M Sport 3.0 diesel automatic coupe is for sale at UK dealers, as of 5 November 2026.

The closest to this car in mileage:

  • 2018 BMW 6 Series M Sport, 3.0 diesel coupe, blue. Mileage: 71,000 miles. Price: £22,495, £3,500 more than this car. Dealer: LHK Performance Cars in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-6-series-2018-41235f0c3b92

Browse all BMW 6 Series cars for sale · 2018 BMW 6 Series price guide

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Photos

105 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.