Well, then there is the engines. Has Indian updated to a four valve head yet?Performance is important. Here in the colonies, The Harley bagger road racing machines have bested the 600 super sport times at Laguna Seca ...... Matt Laidlaw has a great video on that subject and many others on the tube.
I rode a 16 road glide on the last ride of last fall. and It was really neat imo. A buddy wanted to try a GS .... They are comfy ....