I stopped at a traffic accident a couple of months ago. A fellow in a Toyota Avalon rear-ended an about 1963-1964 Ford Galaxie that was parked on the side of the road to display for sale. Older guy had fallen asleep, he thought, and hit the big old Ford squarely on the rear end. Looked like the Toyota pushed the Ford about 10 feet. The Toyota was smashed in right up to the firewall and the roof had buckled slightly but the airbag deployed, the passenger compartment was intact and the driver wasn't hurt except for minor lacerations and some oncoming bruising from the airbag.
I knew one of the officers who showed up and we hadn't seen each other for a couple of years. We chatted while the wrecker loaded up the clearly totaled Avalon. The old Ford owner had been called and arrived and was asked if he wanted them to call a wrecker for him, but he said, let's wait until the Toyota is removed and see how bad it is. When the wrecker pulled the Toyota back from and out from under the Ford, the only damage to it was some fresh scratches in the huge steel chrome bumper. The bumper, the truck-like steel frame and the trailer hitch had done their job.
Amazing how occupant safety has evolved from resisting damage from big mass and steel to good engineering.
Still, I'll take a new big car over a new small car any day.