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: 31,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 31,000 miles, this 2018 BMW 6 Series Gran Turismo M Sport has covered about 44,100 fewer miles than other 2018 BMW 6 Series Gran Turismo cars. Its asking price of £21,690 is £425 below the AskCar estimate of £22,115. The AskCar estimate uses 77 UK dealer adverts for the BMW 6 Series Gran Turismo, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 2 days. Its advertised mileage matches the government's MOT record. It is for sale at Noya Motor Group in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £425 (1%) under the AskCar estimate of £22,115.

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 14 November 2026.

A 2018 BMW 6 Series Gran Turismo with the 3.0 diesel engine is typically advertised at £17,000: the median of the 29 for sale on AskCar, as of 14 November 2026.

Time on sale

AskCar first saw this 2018 BMW 6 Series Gran Turismo advertised 2 days ago.

Price history

AskCar first saw this advert on 12 November 2026 at £21,690. 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 14 November 2026: valid until 19 August 2027.

It has had 6 MOTs. The latest, on 13 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,145 miles, which matches the advertised 31,000 miles.

Advertised mileage is about 44,100 miles lower than the median mileage of a 2018 BMW 6 Series Gran Turismo on AskCar.

Similar cars

22 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 14 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, white. Mileage: 49,012 miles. Price: £17,500, £4,190 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, black. Mileage: 53,091 miles. Price: £18,995, £2,695 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-dae2fa9c2337
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 56,204 miles. Price: £18,995, £2,695 less than this car. Dealer: David Hayton Autostore Penrith in Penrith. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-c0e4656adc5f

• The nearest: 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, blue, 1 miles from this car. Mileage: 74,795 miles. Price: £16,988, £4,702 less than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-14d5762c493c