We have a Mercedes GLA (crossover SUV). It sits a bit higher than a sedan, but not nearly high as a true 4WD SUV. We feel very safe in it and believe the Crossover or an SUV is much more survivable if hit by a large vehicle.
A bit off subject - Would rather be in ANY vehicle in a rollover compared to a rollover golf cart, even if wearing seat belts..
A link to a Consumer Reports article re rollovers>
Car Rollover 101 - Consumer Reports