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 RWD Euro 6 (s/s) 5dr GT (261 bhp)
• Year: 2018
• Mileage: 111,646 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 6 Series Gran Turismo M Sport has covered 111,646 miles, around 36,600 more miles than is typical for its age. The AskCar estimate for this car is £13,140. It is priced at £13,000, which is £140 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 77 BMW 6 Series Gran Turismo cars across different ages and specifications. It first appeared in our advert records 29 days ago. Its advertised mileage matches the government's MOT record. The seller is Vortex Cars (Hillgate), based in Stockport. 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

Price

Fair price: £140 (1%) under the AskCar estimate of £13,140.

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 29 days.

Price history

AskCar first saw this advert on 12 October 2026 at £13,000. 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 25 April 2027.

It has had 6 MOTs. The latest, on 24 April 2026, passed.

Advisories at the latest test: tyre pressure monitoring system light on.

Mileage at that test: 101,386 miles, which matches the advertised 111,646 miles.

Advertised mileage is about 36,600 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: 108,163 miles. Price: £12,995, the same price as this car. Dealer: Weonlysellusedcars.com in Bangor. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-01fa259c6c68
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, black. Mileage: 106,174 miles. Price: £14,999, £1,999 more than this car. Dealer: AL Prestige Cars in Southampton. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-1e8dc0875594
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 94,022 miles. Price: £15,490, £2,490 more 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, grey, 14 miles from this car. Mileage: 75,000 miles. Price: £17,749, £4,749 more than this car. Dealer: Newarth Car Sales in Worsley. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-12ec06267f61