A growing social media trend is prompting motorists to search for crash-test videos of their own vehicles, often producing an unexpected reaction: the more dramatically a car crumples, the more concerned viewers become.
Bonnet panels folding upwards, bumpers breaking away and the rear of a vehicle collapsing can make a crash-test result look alarming. However, safety experts point out that visible destruction does not necessarily indicate poor vehicle design. In many cases, it is evidence that the vehicle's safety engineering is working as intended.
Modern vehicles are designed with crumple zones, typically positioned at the front and rear of the vehicle. These sections are engineered to deform in a controlled manner during a collision, absorbing and redirecting some of the impact energy before it reaches the passenger compartment.
This means that severe-looking damage to the exterior can actually be an important part of the vehicle's occupant protection strategy. The areas designed to absorb crash energy are expected to take the damage, while the central passenger compartment is engineered to remain as intact as possible.
Eugene Herbert, CEO of MasterDrive, says motorists should understand the difference between the parts of a vehicle designed to absorb an impact and the structure intended to protect occupants. The crumple zones are there to deform, while the passenger cell acts as a safety cage designed to resist intrusion and maintain survival space.
For motorists watching crash-test footage, greater attention should therefore be paid to the structural pillars surrounding the passenger compartment. The A-pillar supports the front section of the roof around the windscreen and plays an important role in protecting occupants during a rollover. The B-pillar, positioned between the front and rear doors, is heavily reinforced for side-impact protection and provides mounting points for components such as seatbelts and door latches. The C-pillar supports the rear section of the roof and contributes to passenger protection during rear-end and rollover crashes.
Together, these pillars form part of the vehicle's protective safety cage. Significant collapse or deformation of the passenger compartment can therefore be more concerning than extensive damage to the bonnet, bumper or boot.
Herbert cautions, however, that motorists should not attempt to judge a vehicle's overall safety simply by watching crash footage. Organisations such as Global NCAP and ANCAP use detailed testing procedures that go well beyond what can be seen in a video. Crash-test dummies are equipped to measure forces affecting areas including the head, chest, pelvis and legs, while assessments can also consider child-seat compatibility, whiplash protection and active safety technologies such as electronic stability control.
A five-star crash rating therefore represents a combination of measured safety performance and available safety technology, rather than simply an assessment of how intact a vehicle looks after an impact.
This distinction is particularly important for South African motorists. Buyers should establish whether a published crash-test rating applies to the exact model and specification being sold locally. Vehicles carrying the same model name can differ between markets, with some South African specifications potentially offering fewer safety features than equivalent versions sold in Europe or other regions.
Differences can include equipment such as side head-protection airbags and electronic stability control, both of which can influence a vehicle's overall safety performance.
For consumers researching a new vehicle, the lesson is to look beyond dramatic crash-test footage and familiar model names. The more important question is not simply whether the vehicle has been crash tested, but whether the test result applies to the specific version available in South Africa.
Vehicles sold locally must comply with South Africa's minimum legal safety requirements, but compliance does not necessarily mean that every specification offers the same level of protection or safety technology. Crash-test results can vary between versions and markets.
Ultimately, a vehicle that crumples significantly in a crash may be doing exactly what it was engineered to do. The real measure of occupant safety lies in how effectively the vehicle manages crash energy, protects the passenger cell, incorporates safety technology and performs in independent testing. For South African buyers, checking the crash rating and safety specification of the exact vehicle being considered is therefore far more useful than judging safety by how much or how little a car crumples on screen.