2018 BMW 6 Series Gran Turismo 2.0 630i M Sport

Overview

• Make: BMW
• Model: 6 Series Gran Turismo
• Trim: M Sport
• Version: 2.0 630i GPF M Sport Auto RWD Euro 6 (s/s) 5dr GT (254 bhp)
• Year: 2018
• Mileage: 53,863 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 6 Series Gran Turismo M Sport has covered 53,863 miles, around 21,100 fewer miles than is typical for its age. The dealer is asking £17,491, which is £417 above the AskCar estimate of £17,074. To work out the AskCar estimate, we analyse UK dealer adverts for 77 BMW 6 Series Gran Turismo cars across different ages and specifications. Since we first spotted the advert 159 days ago, the asking price has dropped by £1,008. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Northridge Cars Hemel Hempstead, based in Hemel Hempstead. 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

Fair price: £417 (2%) over the AskCar estimate of £17,074.

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.

Time on sale

This 2018 BMW 6 Series Gran Turismo has been on sale for at least 159 days.

Price history

AskCar first saw this advert on 4 June 2026 at £18,499. Its asking price is now £17,491, £1,008 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 4 June 2026: £18,499
• 2 October 2026: £18,414
• 6 October 2026: £18,334
• 9 October 2026: £18,232
• 10 October 2026: £18,221
• 12 October 2026: £18,166
• 15 October 2026: £18,149
• 20 October 2026: £17,999
• 21 October 2026: £17,998
• 22 October 2026: £17,982
• 23 October 2026: £17,491

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 7 April 2027.

It failed its MOT on 1 April 2026 (offside rear tyre tread depth below requirements of 1.6mm) and passed 7 days later, on 8 April 2026.

Advisories at the latest test: oil leak, but not excessive; rear brake pad(s) wearing thin; nearside front road wheel slightly distorted.

Mileage at that test: 53,863 miles, which matches the advertised 53,863 miles.

Advertised mileage is about 21,100 miles lower than the median mileage of a 2018 BMW 6 Series Gran Turismo on AskCar.

Similar cars

3 other 2018 BMW 6 Series Gran Turismo M Sport 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £13,990 to £16,850, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 6 Series Gran Turismo M Sport, 2.0 petrol hatchback, black. Mileage: 37,899 miles. Price: £16,850, £641 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-c35515d191b9
• 2018 BMW 6 Series Gran Turismo M Sport, 2.0 petrol hatchback, white. Mileage: 77,502 miles. Price: £14,300, £3,191 less than this car. Dealer: Gorton Car Sale in Manchester. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-3f4cf2559ace
• 2018 BMW 6 Series Gran Turismo M Sport, 2.0 petrol hatchback, red. Mileage: 87,139 miles. Price: £13,990, £3,501 less than this car. Dealer: Rockpoint Bmw Specialists in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-4d6b57b1436b