Vehicles have gotten a lot safer and crash test methods have become more sophisticated since 1972, but one thing hasn't changed – the laws of physics. Over the last 50 years, IIHS has periodically performed crash tests of larger vs. smaller vehicles to demonstrate the role of size and weight in a car-to-car crash. Subscribe: https://go.iihs.org/subscribe View Our Website: https://www.iihs.org/ Follow us: Twitter: / iihs_autosafety Facebook: / iihs.org Instagram: https://go.iihs.org/instagram LinkedIn: https://go.iihs.org/linkedin