Well, here's what the dictionary says...
crush
[ kruhsh ]SHOW IPA
SYNONYMS|EXAMPLES|WORD ORIGIN
SEE MORE SYNONYMS FOR crush ON THESAURUS.COM
verb (used with object)
to press or squeeze with a force that destroys or deforms.
to squeeze or pound into small fragments or particles, as ore, stone, etc.
to force out by pressing or squeezing; extract:to crush cottonseeds in order to produce oil.
to rumple; wrinkle; crease.
to smooth or flatten by pressure:to crush leather.
to hug or embrace forcibly or strongly:He crushed her in his arms.
to destroy, subdue, or suppress utterly:to crush a revolt.
to overwhelm with confusion, chagrin, or humiliation, as by argumentation or a slighting action or remark; squelch.
to oppress grievously.
Archaic. to finish drinking (wine, ale, etc.).
If the car was dented I suppose it qualifies as deformed? I also imagine that the cars involved are removed from service, perhaps permanently (does that count as destroyed since they cannot perform their function anymore LOL). Eh.