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: 108,163 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 108,163 miles on the clock, this 2018 BMW 6 Series Gran Turismo M Sport has done roughly 33,200 more miles than a typical 2018 BMW 6 Series Gran Turismo. The AskCar estimate for this car is £14,003. It is priced at £12,995, which is £1,008 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. Since we first spotted the advert 165 days ago, the asking price has dropped by £1,000. Our records show an MOT expiry date of 17 April 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Weonlysellusedcars.com in Bangor, County Down. 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: £1,008 (7%) under the AskCar estimate of £14,003.

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 165 days.

Price history

AskCar first saw this advert on 28 May 2026 at £13,995. Its asking price is now £12,995, £1,000 less. The latest price cut was seen on 25 August 2026.

Price changes recorded:

• 29 May 2026: £13,995
• 21 July 2026: £12,995
• 30 July 2026: £13,695
• 25 August 2026: £12,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: the latest record we hold ran out on 17 April 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 18 April 2024, passed.

There were no advisories at the latest test.

Mileage at that test: 84,542 miles, which matches the advertised 108,163 miles.

Advertised mileage is about 33,200 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 9 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, black. Mileage: 106,174 miles. Price: £14,999, £2,004 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: 111,646 miles. Price: £13,000, the same price as this car. Dealer: Vortex Cars (Hillgate) in Stockport. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-cd384d4f0f8c
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 94,022 miles. Price: £15,490, £2,495 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, 116 miles from this car. Mileage: 56,204 miles. Price: £19,175, £6,180 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