The latest Euro NCAP results are released today, but what are the crash tests like and how much work goes into them?
Four What Car? readers have the answer because they were invited to witness one of the tests at the Millbrook Proving Ground in June.
The Kia Sorento went on to be awarded the full five-star rating, while our readers discovered what its like when a car is hurled into a honeycomb aluminium block at 40mph a few metres away.
Click on the link to see the crash, and their reactions to it, and learn more about the work that Euro NCAP does.
Crash test on video