NHTSA vs. IIHS safety rating crash tests

The Insurance Institute for Highway Safety and the National Highway Traffic Safety Association each have their own methods for measuring vehicle safety. Used car buyers for whom vehicle safety is important should know the different safety rating systems.

The NHTSA measures frontal impact, side impact and rollover likelihood, to arrive at a safety rating between 1 and 5 stars. To rate for frontal impact, the NHTSA crashes the vehicle into a barrier at 35 mph. Side-impact involves two tests: a vehicle T-boning the test vehicle at 38.5 mph and the test vehicle side-impact colliding with a pole. For rollover rating, the NHTSA uses a mathematical formula taking into account the vehicle's center of gravity and width.

The IIHS uses five different crash tests to arrive at a rating of Good, Acceptable, Marginal or Poor. If vehicle safety is important in your next purchase, let the team at Piazza Honda of Philadelphia schedule you a test drive in a top-rated model.




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