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: 37,899 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 151 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 6 Series Gran Turismo M Sport has covered 37,899 miles, around 37,100 fewer miles than is typical for its age. Priced at £16,850, it is advertised £1,776 below the AskCar estimate of £18,626. The AskCar estimate draws on 77 BMW 6 Series Gran Turismo adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 128 days ago, and its asking price has since fallen by £3,450. Its advertised mileage matches the government's MOT record. It is advertised by Car Planet Barnet in New Southgate. 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

Good value: £1,776 (9%) under the AskCar estimate of £18,626.

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 128 days.

Price history

AskCar first saw this advert on 5 July 2026 at £20,300. Its asking price is now £16,850, £3,450 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 5 July 2026: £20,300
• 25 July 2026: £20,000
• 31 July 2026: £19,900
• 18 August 2026: £19,600
• 1 October 2026: £18,650
• 5 October 2026: £18,350
• 11 October 2026: £18,050
• 17 October 2026: £17,750
• 23 October 2026: £17,450
• 30 October 2026: £17,150
• 5 November 2026: £16,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 1 March 2027.

It has had 8 MOTs. The latest, on 2 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,825 miles, which matches the advertised 37,899 miles.

Advertised mileage is about 37,100 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 £17,491, 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, blue. Mileage: 53,863 miles. Price: £17,491, £641 more than this car. Dealer: Northridge Cars Hemel Hempstead in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-5bf152860ce4
• 2018 BMW 6 Series Gran Turismo M Sport, 2.0 petrol hatchback, white. Mileage: 77,502 miles. Price: £14,300, £2,550 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, £2,860 less than this car. Dealer: Rockpoint Bmw Specialists in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-6-series-gran-turismo-2018-4d6b57b1436b