Some vehicles are more vulnerable to off-road rocker panel damage than others.
Vehicle style and driving skill, or habits, play a large roll in a vehicle vulnerability to damage. Typically a vehicle that is wider can have more trouble in things like narrow chutes. Longer wheel base vehicle are prone as break-over angle suffer greatly while cresting hills or climbing boulders. Low body to ground clearance is more at risk than a vehicle with lots of lift and large tires. Bouncing off the rocks with aggressive driving is a sure way to bend sheet metal.