I have no knowledge or opinion about what thresholds various auto makers have relative to each other, beyond the fact that they probably all meet regulations.

I have no knowledge or opinion about what thresholds various auto makers have relative to each other, beyond the fact that they probably all meet regulations. But I do want to point out that ~nobody would buy a car that deploys airbags for "pretty minor bumps". Airbag deployment is a serious event, it can injur or in rare cases kill a person itself.