In the picture above you can see Another example of SAAB safety.
Inverted drop testing is one of many options the manufacturers of vehicles have to test the strength of the roofs of the vehicles that they build. In a rollover accident the roof of your car is your first line of defense against injury.
In this domain of Safety Saab 900 is definitely untouchable (Top Gear – At just 8 foot the BMW was flattend to the doors basicly and the SAAB stayed ridged and doors could open.):