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: 72,309 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 3.0 litres, 261 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 72,309 miles on the clock, this 2018 BMW 6 Series Gran Turismo M Sport has done roughly 2,700 fewer miles than a typical 2018 BMW 6 Series Gran Turismo. The dealer is asking £18,995, which is £948 above the AskCar estimate of £18,047. To work out the AskCar estimate, we analyse UK dealer adverts for 76 BMW 6 Series Gran Turismo cars across different ages and specifications. This car was first seen in our listings data 17 days ago. The government's MOT record matches its advertised mileage. You can find this car at Grand Car market in Reading. 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: £948 (5%) over the AskCar estimate of £18,047.

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 17 days.

Price history

AskCar first saw this advert on 23 October 2026 at £18,995. 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 9 November 2026: valid until 14 April 2027.

It failed its MOT on 8 April 2026 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; nearside front drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt) and passed 7 days later, on 15 April 2026.

There were no advisories at the latest test.

Mileage at that test: 69,933 miles, which matches the advertised 72,309 miles.

Advertised mileage is about 2,700 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 £19,994, 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: 73,582 miles. Price: £17,500, £1,495 less than this car. Dealer: Grand Car market in Reading. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-90b7a3c4ef71
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, blue. Mileage: 74,795 miles. Price: £16,988, £2,007 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
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 75,000 miles. Price: £17,749, £1,246 less than this car. Dealer: Newarth Car Sales in Worsley. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-12ec06267f61