2018 BMW 6 Series Gran Turismo

M Sport Auto Euro 6 5dr

£21,500

Fair price: within 8% of the typical £20,163 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
M Sport Auto Euro 6 5dr
Mileage
56,788 miles
Year
2018
Fuel type
Petrol
Body type
Hatchback
Gearbox
Automatic
Seats
5
Colour
Grey
Doors
5
Emissions standard
Euro 6

About this car

This 2018 BMW 6 Series Gran Turismo M Sport is advertised with 56,788 miles, approximately 26,600 below the typical mileage for its age. Our estimated market asking price is £20,163. This car is advertised at £21,500, which is £1,337 above that figure. We use UK dealer asking prices, including 71 BMW 6 Series Gran Turismo listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 50 days ago, the asking price has dropped by £350. The seller is Sytner Leicester BMW, based in Leicester.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 6 September 2026, 50 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £350 from the first recorded £21,850. 1 price reduction recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
6 September 2026£21,850
20 October 2026£21,500
23 October 2026£21,500

Price and mileage comparison

Estimated market asking price: £20,163. The asking price is £1,337 above 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 26,600 miles lower than typical for a 2018 BMW 6 Series Gran Turismo.

7 other cars with the same year, trim, gearbox and fuel are for sale from £14,490 to £20,000.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£14,49087,139 miles
£15,20077,502 miles
£15,69076,750 miles
£17,10082,935 miles
£17,45037,899 miles

These cars have covered 37,899–87,139 miles, compared with 56,788 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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