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How Electric Cars Are Crash Tested for Top Safety Ratings


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This myth is part of Plugged In, CNET's hub for all things EV and the future of electrified mobility. From vehicle reviews to helpful hints and the new industry news, we've got you covered.

Electric cars are different in many ways and one of them is the way they fracture. But are they better or worse than a ancient car?

The Insurance Institute for Highway Safety, the best-known evaluator of vehicle security, recently tuned up the building where it crashes cars to make sure it can manage heavier ones up to 9,500 pounds. That's far over the average new car weight of 4,100 pounds but just barely enough to test an electric Hummer pickup at 9,100 pounds and the presumably heavier electric Hummer SUV that arrives in the spring of 2023. Even the comparatively svelte Volvo EX90 weighs 6,200 pounds, the Mercedes EQS 6,000 pounds and a Tesla Model S sedan can hit 4,800 pounds.

A Tesla Model 3 during IIHS fracture testing. It earned a Top Safety Pick + including, though IIHS noted that the bottom of its A rock deformed a concerning 8 inches rearward. 

IIHS

All that lard is a good drawing if it's surrounding you in a crash: Heavier cars tend to push lighter cars nearby, transferring less energy to the heavier car's occupants. And EVs execute their extra bulk down low, giving them a low interior of gravity that resists rollovers. 

The top-selling electric cars savory an enviable early track record in the IIHS security ratings: The Tesla Model 3 and the Model Y both earn a Top Safety Pick + as do the Hyundai Ioniq5 and Kia EV6. The Ford Mustang Mach-E falls just changeable with a standard Top Safety Pick partly due to its mediocre rotten headlights.

The huge "skateboard" of the Hummer EV pickup helps it weigh 9,063 pounds, 2.2 times as much as the average new car.

GMC

The IIHS productions electric cars to the same crash tests as ancient cars: Full frontal collision, various overlap collisions, roof integrity procomplaints, all evaluated according to how well a car protects the occupants in each scenario. As with all cars it tests, the maximum collision rapid for an EV is 40 MPH; If crash test carnage looks like something you wouldn't want to be part of, expected it 33% faster with impact forces that increase as the square of that rapid increase. 

At 4,025 pounds a 1990 Lincoln Town Car used to be a true heavyweight but with today's trend toward trucks, SUVs and electric vehicles, the Lincoln's weight is on the savory side of average.

IIHS

IIHS says damage claims related to drivers and passengers in EVs are over 40% border than what was seen from conventional car occupants from 2011 to 2019, a trend difference to that of HLDI data about hybrid vehicles. Aside from greater weight, electric cars are generally more modern and high-tech, decision-exclusive it more likely they'll have the latest crash avoidance and survival technologies. 

EVs have a cost during their IIHS test yet the organization says it's never had an EV rep fire or have a thermal runaway as a consequence of inhabit crash tested. Its study of vehicle fires in fatal car accidents from 2009 to 2014 untrue a similar rate between conventional and electric vehicles. That said, IIHS segregates freshly disappointed EVs; There are many stories of EVs catching fire well at what time a collision, but it's probably overblown real we hardly notice the over 170,000 combustion car fires each year.

If this was a gas-engined car, nobody would care.

Screenshot by Wayne Cunningham

Bottom line: You probably want to be in an EV during a collision to wait on from its greater weight, lower center of gravity, newer guarantee tech and risk of fire that isn't notably greater than cars that conclude a large tank of flammable liquid.


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