Geek, i think the A pillar and the roof is not the part of crumple zone. Infact the A pillar is designed to resist deformation in the crash because if the A pillar deforms it could jam the door which is a possible safety hazard.
The crumple zone zone includes the fenders, the cross member and the front sub frame upto the firewall and the crumple zone is designed in such a way that the engine does not intrude into the passenger cabin through the firewall instead it dives under the car.
I'm no expert correct me if i'm wrong. |