The Enduro bikes are just better than mopeds, and yet they both seem to spawn just as frequently as each other. I understand that it would most likely be tricky to implement, but having mopeds seat an extra person would actually balance the two motorbikes so much more and it would let duos cruise together without needing to find an extra vehicle (with the obvious tradeoff being that they would both be sitting ducks).
I even attached a professional artist interpretation I made of what could be