2018 BMW 6 Series Gran Turismo

3.0 630d M Sport Auto 4WD Euro 6 (s/s) 5dr GT (261 bhp)

£15,799

Fair price: within 8% of the typical £16,501 for this model, age and mileage, drawing on 71 adverts of this make and model.

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)
Mileage: 84,146 miles
Year: 2018
Fuel type: Diesel
Body type: Hatchback
Engine: 3.0 L
Gearbox: Automatic
Power: 261 bhp
Seats: 5
CO2: 154 g/km
Colour: Blue
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: 630d
Emissions standard: Euro 6

About this car

This 2018 BMW 6 Series Gran Turismo M Sport is advertised with 84,146 miles on the clock. At £15,799, it is advertised £702 below our estimated market asking price of £16,501. The estimate uses 71 UK dealer adverts for the BMW 6 Series Gran Turismo, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 40 days ago. Its asking price has since fallen by £1,400. The latest MOT record shows an expiry date of 14 September 2027, with the advertised mileage consistent with the recorded reading. It is advertised by cinch Corby in North Northamptonshire.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 September 2026, 40 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £1,400 from the first recorded £17,199. 4 price reductions recorded, the latest observed on 23 October 2026.

Recorded asking prices
Date observed	Asking price
16 September 2026	£17,199
26 September 2026	£16,699
3 October 2026	£16,299
20 October 2026	£15,999
23 October 2026	£15,799

Price and mileage comparison

Estimated market asking price: £16,501. The asking price is £702 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 71 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 800 miles higher than typical for a 2018 BMW 6 Series Gran Turismo.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 14 September 2027. 84,147 miles at the last test.

16 other cars with the same year, trim, gearbox and fuel are for sale from £11,995 to £19,175.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£11,995	130,785 miles
£12,995	108,163 miles
£13,000	111,646 miles
£14,200	90,000 miles
£14,999	106,174 miles

These cars have covered 49,012–130,785 miles, compared with 84,146 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BMW 6 Series Gran Turismo cars for sale · 2018 BMW 6 Series Gran Turismo price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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