The BMW 6-Series Gran Coupé has the proportions of a classic grand tourer coupe with the spaciousness and ease of access of an executive saloon. The Gran Coupé is the most spacious and practical 6-Series ever. This has been made possible by stretching the wheelbase and overall length of the 6-Series Coupé on which it is based by 113mm. The BMW 6-Series Gran Coupé is 5,007mm long, with a wheelbase of 2,968mm.