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: 106,174 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 106,174 miles on the clock, this 2018 BMW 6 Series Gran Turismo M Sport has done roughly 31,200 more miles than a typical 2018 BMW 6 Series Gran Turismo. The AskCar estimate for this car is £13,627. It is priced at £14,999, which is £1,372 above 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. This car was first seen in our listings data 103 days ago. Our latest MOT record expired on 4 October 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. It is advertised by AL Prestige Cars in Southampton. 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

Above the going rate: £1,372 (10%) over the AskCar estimate of £13,627.

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 103 days.

Price history

AskCar first saw this advert on 30 July 2026 at £14,999. Its asking price has not changed.

Price changes recorded:

• 30 July 2026: £14,999
• 11 August 2026: £14,199
• 12 August 2026: £13,999
• 13 August 2026: £14,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: the latest record we hold ran out on 4 October 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 29 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 102,191 miles, which matches the advertised 106,174 miles.

Advertised mileage is about 31,200 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 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, £2,004 less than 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, grey. Mileage: 111,646 miles. Price: £13,000, £1,999 less than 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, £491 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, black, 34 miles from this car. Mileage: 73,582 miles. Price: £17,500, £2,501 more than this car. Dealer: Grand Car market in Reading. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-90b7a3c4ef71