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: 60,673 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

This 2018 BMW 6 Series Gran Turismo M Sport is advertised with 60,673 miles, approximately 14,300 below the typical mileage for its age. Its asking price of £19,994 is £375 above the AskCar estimate of £19,619. The AskCar estimate uses UK dealer asking prices, including 77 BMW 6 Series Gran Turismo adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is Group 1 Reading BMW, based in Reading. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £375 (1%) over the AskCar estimate of £19,619.

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 8 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 8 November 2026.

Time on sale

AskCar first saw this 2018 BMW 6 Series Gran Turismo advertised today.

Price history

AskCar first saw this advert on 8 November 2026 at £19,994. 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 8 November 2026: valid until 26 March 2027.

It has had 6 MOTs. The latest, on 18 March 2026, passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view; rear prop shaft flexible coupling slightly deteriorated splitting; nearside front outer drive shaft joint constant velocity boot severely deteriorated leaking grease/ but preventing ingress of dirt; and 1 more.

Mileage at that test: 57,732 miles, which matches the advertised 60,673 miles.

Advertised mileage is about 14,300 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 £19,175, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, white. Mileage: 62,115 miles. Price: £18,494, £1,500 less than this car. Dealer: Alisons Automotive Group in Cam. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-1646099685d8
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 56,204 miles. Price: £19,175, £819 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
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, black. Mileage: 53,091 miles. Price: £18,995, £999 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-dae2fa9c2337

• The nearest: 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, black, 9 miles from this car. Mileage: 73,582 miles. Price: £17,500, £2,494 less than this car. Dealer: Grand Car market in Reading. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-90b7a3c4ef71