[AeroModder]

Indeed, weight is a major factor.

Vehicles with more mass will maintain more energy in the event of an accident because of the law of inertia. This means passengers in heavier vehicles won't be thrown around quite as much as passengers in lighter, smaller cars, depending on the type of collision.

While it is true that trucks and SUVs can and do roll over from a high center of gravity, it does not mean larger, heavier vehicles can't be safer in certain situations. For example, take the SUV out of the equation and have a Lincoln Town Car collide with a Honda Civic, then see who goes spinning. The laws of physics are not "rumors."

Beyond physics, there is also the driver's skill that needs to be considered. Inexperienced drivers will swerve harder than needed, which may cause the vehicle to roll.