2018 BMW 6 Series Gran Turismo

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

£15,999

Fair price: within 8% of the typical £16,006 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 RWD Euro 6 (s/s) 5dr GT (261 bhp)
Mileage: 83,795 miles
Year: 2018
Fuel type: Diesel
Body type: Hatchback
Engine: 3.0 L
Gearbox: Automatic
Power: 261 bhp
Seats: 5
CO2: 139 g/km
Colour: Grey
Doors: 5
Driven wheels: Rear Wheel Drive
Engine badge: 630d
Emissions standard: Euro 6

About this car

This 2018 BMW 6 Series Gran Turismo M Sport has covered 83,795 miles. The dealer is asking £15,999, which is £7 below our market estimate of £16,006. Our estimate draws on 71 BMW 6 Series Gran Turismo adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 7 days. MOT records show an expiry date of 14 October 2027, and the latest recorded mileage is consistent with the advert. It is advertised by TU Motors in Luton.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 October 2026, 7 days ago. Advert duration calculated on 27 October 2026.

Recorded asking prices
Date observed	Asking price
20 October 2026	£15,999
23 October 2026	£15,999

Price and mileage comparison

Estimated market asking price: £16,006. The asking price is £7 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 400 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 October 2027. 83,793 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 83,795 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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