2018 BMW 6 Series Gran Turismo 3.0 630d M Sport

Price: £15,590. Fair price: £84 (under 1%) under the AskCar estimate of £15,674, our expected asking price for this car from its model, age, mileage and specification, drawing on 76 priced BMW 6 Series Gran Turismo adverts on AskCar as of 7 November 2026.

AskCar lists 78 used BMW 6 Series Gran Turismo from 68 UK dealerships, as of 7 November 2026.

Overview

  • Make: BMW
  • Model: 6 Series Gran Turismo
  • Trim: M Sport
  • Version: 3.0 630d M Sport Auto 4WD Euro 6 (s/s) 5dr GT (261 bhp)
  • Year: 2018
  • Mileage: 91,128 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 3.0 litres, 261 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 154 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 6 Series Gran Turismo M Sport has covered 91,128 miles, around 16,100 more miles than is typical for its age. The AskCar estimate for this car is £15,674. It is priced at £15,590, which is £84 below that estimate. The AskCar estimate draws on 76 BMW 6 Series Gran Turismo adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 4 days ago. Its advertised mileage matches the government's MOT record. The seller is Carcart, based in Willenhall. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £84 (under 1%) under the AskCar estimate of £15,674.

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 76 priced BMW 6 Series Gran Turismo adverts across different ages and specifications, as of 7 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 7 November 2026.

Time on sale

AskCar first saw this 2018 BMW 6 Series Gran Turismo advertised 4 days ago.

Price history

AskCar first saw this advert on 3 November 2026 at £15,590. 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 7 November 2026: valid until 25 May 2027.

It has had 8 MOTs. The latest, on 26 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 89,971 miles, which matches the advertised 91,128 miles.

Advertised mileage is about 16,100 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 7 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, blue. Mileage: 89,979 miles. Price: £15,995, £405 more than this car. Dealer: BRM Car Sales Scunthorpe in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-604bbbefc488
  • 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, black. Mileage: 89,000 miles. Price: £15,999, £409 more than this car. Dealer: Manor Motors in Blackhall Colliery. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-92b777208e03
  • 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 94,022 miles. Price: £15,490, £100 less than this car. Dealer: Elton Cars in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-fceab7c8ac30
  • The nearest: 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, white, 38 miles from this car. Mileage: 130,785 miles. Price: £11,845, £3,745 less than this car. Dealer: Greasley Cars in Leicester. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-c4a933269a8e

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

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Photos

6 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.