M = HW Cruiser
G = more fun in the twisties, but still good on HW trips.
imho
My wife LOVES the M.
Last loaner was a new M and didn't think I was going to get her out of it.
Kept it an extra day so that she could use it to make a fabric run in a neighboring town.
For me, I like the size of a G sedan better.
I really think you should go test drive both and make a suggestion.
I'm betting that she will end up with the M.
