NHTSA has released its probability of injury stats for the Tesla Model 3 and it achieved the lowest probabilities of any vehicle ever tested by the agency – arguably making the electric car the safest based on the standard.
It comes a few weeks after NHTSA gave a five-star safety rating to the Model 3.
The vehicle achieved five-star ratings in every category, which is great but not unprecedented.
At the time, Tesla CEO Elon Musk said that upcoming probability of injury statistics from NHTSA could show that the vehicle is even safer than what the star rating system shows.
Tesla pulled the data from NHTSA and came to the conclusion that the Model 3 Long Range Rear-Wheel Drive has achieved the lowest probability of injury of any vehicle ever tested by the road authority.
They wrote in a blog post:
“NHTSA tested Model 3 Long Range Rear-Wheel Drive as part of its New Car Assessment Program, a series of crash tests used to calculate the likelihood of serious bodily injury for front, side and rollover crashes. The agency’s data shows that vehicle occupants are less likely to get seriously hurt in these types of crashes when in a Model 3 than in any other car. NHTSA’s previous tests of Model S and Model X still hold the record for the second and third lowest probabilities of injury, making Tesla vehicles the best ever rated by NHTSA. We expect similar results for other Model 3 variants, including our dual-motor vehicles, when they are rated.”
It beats the Model S and Model X, which are now second and third. Here are the top 50 vehicles over the past 7 years:
In the blog post, Tesla explained how the Model 3 achieved this unprecedented level of safety:
“In addition to its near 50/50 weight distribution, Model 3 was also designed with an extremely low polar moment of inertia, which means that its heaviest components are located closer to the car’s center of gravity. Even though Model 3 has no engine, its performance is similar to what’s described as a “mid-engine car” due to its centered battery pack (the heaviest component of the car) and the fact that Model 3’s rear motor is placed slightly in front of the rear axle rather than behind it. Not only does this architecture add to the overall agility and handling of the car, it also improves the capability of stability control by minimizing rotational kinetic energy.”
The automaker also went into more specific details with a few interesting videos that even includes comparison with other vehicles in the same segments and specific types of crashes:
Like Model S and Model X, Model 3 benefits from its all-electric architecture and powertrain design, which consists of a strong, rigid passenger compartment, fortified battery pack, and overall low center of gravity. These safety fundamentals help to prevent intrusion into the cabin and battery modules, reduce rollover risk, and distribute crash forces systematically away from the cabin – all while providing the foundation for our superior front crumple zone that is optimized to absorb energy and crush more efficiently. Here, you can see how the orange internal combustion engine block is thrust towards the cabin during a frontal impact test:
We also added state of the art features and new innovations in crash structure design, restraints and airbags, and battery safety to the core of Model 3’s design:
In frontal crashes, Model 3’s efficient front crumple zone carefully controls the deceleration of occupants, while its advanced restraint system complements this with pre-tensioners and load-limiters that keep occupants safely in place. Specially designed passenger airbags are shaped to protect an occupant’s head in angled or offset crashes, and active vents dynamically adjust the internal pressure of the frontal airbags to optimize protection based on the unique characteristics of the crash. Front and knee airbags and a collapsible steering column work to further reduce injury, all contributing to Model 3’s 5-star rating in frontal impact.
In pole impact crashes, in which a narrow obstruction impacts the car between the main crash rails, energy-absorbing lateral and diagonal beam structures work to mitigate the impact. This includes a high-strength aluminum bumper beam, a sway bar placed low and forward in the front of the car, cross-members at the front of the steel subframe that are connected to the main crash rails, and additional diagonal beams in the subframe that distribute energy back to the crash rails when they aren’t directly impacted. An ultra-high strength martensitic steel beam is also attached to the top of the front suspension to further absorb crash energy from severe impacts, and the rear part of the subframe is shaped like a “U” and buckles down when impacted. These structures continue to be effective even when a front motor is added for Model 3 Dual-Motor All-Wheel Drive, due to the fact that the subframe is designed to pull the nose of the motor down and out of the way.
Side pole impact
Model 3 also has the lowest intrusion from side pole impact of any vehicle tested by NHTSA. Unlike frontal crashes, there is little room for crumple zone in a side impact, so we patented our own pillar structures and side sills to absorb as much energy as possible in a very short distance. These structures work alongside the vehicle’s rigid body and fortified battery architecture to further reduce and prevent compartment intrusion. With less intrusion into the cabin, our side airbags have more space to inflate and cushion the occupants inside.
Rollover accidents are a significant contributor to injuries and deaths on U.S. roads. Tesla’s vehicle architecture is fundamentally designed to have a very low center of gravity, which is accomplished by placing the heavy battery pack and electric motors as close to the ground as possible. In the event that a rollover does occur, our internal tests show that the Model 3 body structure can withstand roof-crush loads equivalent to more than four times its own weight and with very little structural deformation. NHTSA’s standards only require that cars withstand loads of three times their own weight.
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