Here's us camped with our Ford E450 based 24 ft. Class C out on the far side of beyond in Death Valley ... notice that the coach body starts out sweeping immediately upwards from the rear wheels back so as to minimize tail dragging when starting on side road or parking lot upgrades:
Here's us driving out of a woods campsite alongside a river that has overflowed it's banks ... it probably takes a Ford or Chevy chassis under a Class C to provide this kind of stock ground clearance (we now have larger-than-stock-diameter tires on it for even more ground clearance):
