Do you need AWD for national parks?
Do you need AWD for national parks? A bit of extra clearence and AWD might make you more comfy, but are probably not needed. There are many trails and therefore many trailheads with a variety of road types leading to them. Most of the roads in Rocky Mountain National Park can be traveled by ordinary passenger cars, at least when it's not snowy.
Is driving in Yellowstone difficult?
Yellowstone has areas with winding roads and wildlife crossing can be a road hazard, especially for a speeding car. Beware of bear, buffalo, and traffic jams. Yellowstone's wildlife is certainly one of the things that make the park attractive to its visitors.