2018 BMW 6 Series Gran Turismo 3.0 630d M Sport

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: 53,091 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 6 Series Gran Turismo M Sport has covered 53,091 miles, around 21,900 fewer miles than is typical for its age. Priced at £18,995, it is advertised £1,482 below the AskCar estimate of £20,477. To work out the AskCar estimate, we analyse UK dealer adverts for 76 BMW 6 Series Gran Turismo cars across different ages and specifications. We first recorded this car for sale 14 days ago. The government's MOT record matches its advertised mileage. You can find this car at Tenby Car Supermarket in Luton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,482 (7%) under the AskCar estimate of £20,477.

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 9 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 9 November 2026.

Time on sale

This 2018 BMW 6 Series Gran Turismo has been on sale for at least 14 days.

Price history

AskCar first saw this advert on 26 October 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 9 November 2026: valid until 28 June 2027.

It has had 6 MOTs. The latest, on 2 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 51,384 miles, which matches the advertised 53,091 miles.

Advertised mileage is about 21,900 miles lower 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 9 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 56,204 miles. Price: £19,175, £180 more than this car. Dealer: David Hayton Autostore Penrith in Penrith. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-c0e4656adc5f
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, white. Mileage: 49,012 miles. Price: £17,600, £1,395 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-0ce1dc94f3a2
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 60,673 miles. Price: £19,994, £999 more than this car. Dealer: Group 1 Reading BMW in Reading. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-aa4982f43acb