Here’s a bragging right Tesla can proudly wield for a while to come. Their Model S saloon was tested by America’s National Highway Traffic Safety Administration (NHTSA) and achieved five stars not just overall, but in every subcategory overall.

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Technically, according to the NHTSA, the Tesla S doesn’t have a mere five-star rating – but a rating of 5.4 stars. It also exceeded the safety score of all SUVs and minivans and was deemed as a car that has the lowest likelihood of injury to occupants.

Its advantage is that it doesn’t have a large engine block upfront – being an electric car. So there’s a much longer crumple zone to absorb a high speed impact. The longer the crumple zone, the more time there is to slow down occupants from loads that could cause injuries.

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For the side pole intrusion test, the Model S earned a “good” rating, putting it among the other top one percent of vehicles tested. The rollover test must have been particularly interesting, because the Model S refused to turn over via the normal methods employed by the NHTSA. They said they had to use “special means” to induce a roll.

And for the roof crush test, the Tesla S proved so strong, that it broke the testing machine. According to Tesla’s marketing suits, you could place at least four fully-loaded Model S vehicles atop one car without the roof caving in. This is thanks to a reinforced B-pillar attached with aerospace grade bolts.

It’s also worth mentioning that despite the high impact testing, none of the electric vehicles burst into flames.