When we toured with a 23' Class C through Yukon and Alaska, it was the perfect RV for travels here. We could park anywhere, easy to move around, no issues on the frost heaved highway, etc. If you're used to camping without a toad, then don't change for a trip north. We made two winter trips in the Class C too.
Now that we live here, we like our 25' fifth wheel because we can leave it at a campsite while we explore the backcountry with the 4x4. Or hubby can take off with the truck for fishing while I enjoy quiet time at camp.