2018 BMW 6 Series Gran Turismo 3.0 630d M Sport

Price: £16,499. Fair price: £469 (2%) under the AskCar estimate of £16,968, our expected asking price for this car from its model, age, mileage and specification, drawing on 77 priced BMW 6 Series Gran Turismo adverts on AskCar as of 10 November 2026.

AskCar lists 78 used BMW 6 Series Gran Turismo from 69 UK dealerships, as of 10 November 2026.

Overview

  • Make: BMW
  • Model: 6 Series Gran Turismo
  • Trim: M Sport
  • Version: 3.0 630d M Sport Auto RWD Euro 6 (s/s) 5dr GT (261 bhp)
  • Year: 2018
  • Mileage: 75,290 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 3.0 litres, 261 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 139 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 6 Series Gran Turismo M Sport has covered 75,290 miles. The dealer is asking £16,499, which is £469 below the AskCar estimate of £16,968. To work out the AskCar estimate, we analyse UK dealer adverts for 77 BMW 6 Series Gran Turismo cars across different ages and specifications. We have tracked this advert for 17 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is cinch Corby, based in North Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

cinch Corby is rated 2.9 out of 5 on Google.

Price

Fair price: £469 (2%) under the AskCar estimate of £16,968.

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 77 priced BMW 6 Series Gran Turismo adverts across different ages and specifications, as of 10 November 2026.

A 2018 BMW 6 Series Gran Turismo with the 3.0 diesel engine is typically advertised at £16,500: the median of the 25 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2018 BMW 6 Series Gran Turismo has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 24 October 2026 at £16,499. 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 10 November 2026: valid until 11 October 2027.

It has had 7 MOTs. The latest, on 12 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 75,283 miles, which matches the advertised 75,290 miles.

Advertised mileage is about 300 miles higher than the median mileage of a 2018 BMW 6 Series Gran Turismo on AskCar.

Similar cars

19 other 2018 BMW 6 Series Gran Turismo M Sport 3.0 diesel automatic hatchbacks are for sale at UK dealers, from £11,845 to £19,994, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 75,000 miles. Price: £17,749, £1,250 more than this car. Dealer: Newarth Car Sales in Worsley. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-12ec06267f61
  • 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, blue. Mileage: 74,795 miles. Price: £16,988, £489 more than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-14d5762c493c
  • 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, black. Mileage: 73,582 miles. Price: £17,500, £1,001 more than this car. Dealer: Grand Car market in Reading. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-90b7a3c4ef71

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

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Photos

28 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.