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: 73,582 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

This 2018 BMW 6 Series Gran Turismo M Sport has covered 73,582 miles. The AskCar estimate for this car is £17,179. It is priced at £17,500, which is £321 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 76 BMW 6 Series Gran Turismo cars across different ages and specifications. We have tracked this advert for 32 days. Our latest MOT record expired on 30 October 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. It is for sale 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: £321 (1%) over the AskCar estimate of £17,179.

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 32 days.

Price history

AskCar first saw this advert on 8 October 2026 at £17,500. 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: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 20 October 2025, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 66,273 miles, which matches the advertised 73,582 miles.

Advertised mileage is about 1,400 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, blue. Mileage: 74,795 miles. Price: £16,988, £512 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, black. Mileage: 72,309 miles. Price: £18,995, £1,495 more than this car. Dealer: Grand Car market in Reading. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-9ed4e8c350c2
• 2018 BMW 6 Series Gran Turismo M Sport, 3.0 diesel hatchback, grey. Mileage: 75,000 miles. Price: £17,749, £249 more than this car. Dealer: Newarth Car Sales in Worsley. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-12ec06267f61