That is for sure an advantage that Honda has a normal transmission instead for the garter-transmission.
Honda don't sell UTV's here in Norway. I can check other brands if they have something with conventional trans, but I don't think there are any. And as you say, they will be way more expensive.
Gas is expensive here, so yes mpg is important for me. I don't need a UTV, but it is more for fun ride. And all the places where it is allowed to drive with an UTV, are the same roads a car can do.
But if you drive roads in national parks than you experience it more in an UTV, or ATV or Motorcycle. But if a trip costs me 3 times what it should cost by car, than the choice to take the car is quickly made.
Hobby (or fun) costs money, but ........