If you are looking at class a Gas units new you pretty much are going to wind up with a Ford Stability has a lot to do with how its loaded tire pressure and so on. Danger of fire hurricane is using same components as all other entry level class A. I don't know of any class A that is not dangerous in a collision or roll over with out spending a LOT of money. Driver fatigue well it will not be as comfortable to drive as a quality diesel pusher also will be no where near the price. As others have recommended test drive the unit you are interested in