Many motorists, when choosing a new vehicle, pay attention to the design, engine power and list of options, but ignore the most important parameter - safety. Exactly crash test is a tool that allows you to objectively assess how well the body and protection systems will save lives in a real accident. This is not just a beautiful picture of a car collapsing, but a complex engineering process that requires precision down to the millimeter.
In the modern world, having a star safety rating has become a mandatory standard for manufacturers. If previously cars were designed to withstand impact, now engineers strive to ensure that the body absorbs impact energy without transferring it to passengers. European Association Euro NCAP sets the tone in this industry, constantly tightening requirements for manufacturers.
Understanding exactly how these tests are carried out helps the driver make an informed purchasing choice. Don't rely solely on dealer marketing brochures. Only independent laboratories show the real picture of what happens inside the metal during a collision. In this article, we will analyze all the nuances of the procedure so that you know what to look for in the reports.
The essence and purpose of testing
The main purpose of crash testing is to simulate real traffic accidents under controlled laboratory conditions. Engineers need to obtain repeatable data about how a particular model will behave when it hits an obstacle or another vehicle. For this purpose, special dummies are used, equipped with dozens of sensors that record overloads.
Test results directly affect the brand's reputation and model sales. A low safety rating can lead to complete failure in the market, even if the car is beautiful and cheap. Therefore, manufacturers spend huge budgets on finalizing the body structure before launching it into series.
⚠️ Attention: Crash test results are valid only for a specific body modification and year of manufacture. If the model is restyled or its structure of power elements has changed, the old data may not be relevant.
It is important to understand the difference between passive and active safety. If passive means airbags and belts, then active includes systems that prevent an accident. Modern tests test both. For example, work efficiency ABS and ESP is also assessed as part of due diligence.
Basic techniques and types of strikes
The testing procedure is strictly regulated and includes several scenarios. Most often, an offset frontal impact is used, when the car hits a deformable barrier with only part of its muzzle. This simulates a collision with an oncoming car. A side impact is also carried out, which is considered one of the most dangerous for humans due to the small area of deformation of the body.
Roof strength during a rollover and pedestrian protection are tested separately. In the latter case, special projectiles that imitate a person’s head and leg are launched into the hood and bumper. The rating is based on the degree of damage to the “pedestrian”.
- 🚗 Frontal kick: Check side members, driver and front passenger airbags, as well as the operation of belt pretensioners.
- 🚙 Side impact: Assessing the protection of a dummy's chest and head when a pole or other vehicle hits a door.
- 🧱 Impact on a pole: Simulation of running off the road and lateral contact with a tree or bridge support at high speed.
Each type of impact requires different strength characteristics from the body. The programmed deformation zones should crumple, absorbing kinetic energy, but the passenger compartment must remain intact. This is why modern reports pay so much attention to the geometry of the roll cage.
When studying a crash test video, pay attention not to the speed of destruction, but to how far the pedals and steering column have moved inside the cabin. This is critical to the survival of the driver's legs and chest.
Equipment and dummies for tests
High-tech dummies are used for testing, the cost of which can reach hundreds of thousands of euros. The most famous family is Hybrid III, but for the new pedestrian and side impact tests more modern models are used, such as WorldSID. Accelerometers are installed inside them, measuring acceleration at various points of the body.
Sensors record the load on the head, neck, chest, abdomen, hips and legs. All data is transmitted to computers in real time. In addition, high-speed cameras are used to film the destruction process at a frequency of thousands of frames per second. This allows you to see moments invisible to the eye.
| Mannequin type | Height/Weight | Main purpose | Key sensors |
|---|---|---|---|
| Hybrid III (50th percentile) | 175 cm / 77 kg | Standard man | Head acceleration, chest compression |
| Hybrid III (5th percentile) | 152 cm / 49 kg | Woman of average build | Neck load, belt position |
| WorldSID | Various options | Side impact | Ribs, pelvis, internal organs |
| Q-series (child) | 1.5 - 10 years | Child safety | Load on the neck and abdomen |
The use of mannequins of different sizes is necessary because the physiology of people is different. What is safe for a large man can be deadly for a petite woman or child. This is why the report always indicates which dummies were used.
Euro NCAP rating system
European organization Euro NCAP has developed one of the most rigorous assessment systems in the world. The maximum possible score is 5 stars. To qualify, a car must score a certain percentage of points in four key categories. Every year the requirements are revised and become stricter.
The assessment is made on a 100-point scale for each category, which is then converted into a total. If the base trim lacks important safety features, the car may receive a lower rating, even if the body is strong. This encourages manufacturers to install “smart” systems in all versions.
- 🛡️ Adult protection: The risk of injury to the head, neck, chest, legs and pelvis is taken into account.
- 👶 Child protection: Evaluates the effectiveness of child seats and restraint systems ISOFIX.
- 🚶 Protecting vulnerable participants: Safety of pedestrians and cyclists in contact with a car.
- 🤖 Help systems: Autopilot, city braking and lane control.
⚠️ Attention: From 2026, new, even stricter testing protocols will be introduced. Vehicles designed to older standards may lose their safety ratings faster than expected.
It is important to note that having 5 stars does not mean complete invulnerability. This means the vehicle is safer than most competitors in its class in standard crash scenarios. In extreme conditions the result may vary.
☑️ Criteria for choosing a safe car
Impact of the results on the market and insurance
The results of independent tests have a tremendous impact on sales. Buyers are increasingly abandoning models with low ratings, preferring to overpay for safety. Manufacturers are forced to quickly make design changes if tests reveal critical vulnerabilities.
Insurance companies also closely monitor statistics Euro NCAP. Models with a high rating often fall into categories with lower risk, which theoretically can affect the cost of a CASCO policy, although in Russia this factor is not yet taken into account directly by all insurers.
For automakers, a bad result is a reputational crisis. There are cases where companies have recalled entire batches of cars to strengthen the design after the publication of reports. This is an expensive procedure that forces engineers to be as cautious as possible during the design phase.
What happens if a manufacturer ignores standards?
If a model shows critically poor results, public pressure and the threat of losing the market force the manufacturer to conduct a recall campaign. In some countries, the sale of such cars may even be prohibited by regulators until the defects are eliminated.
How can a regular driver read reports?
When choosing a car, you don't need to be an engineer to understand the essence of the report. First of all, look at the overall rating and number of stars. However, dig deeper: pay attention to the protection percentages for adults and children. Sometimes a car has 5 stars due to electronics, but shows average results in physical impact.
Be sure to check which configuration was used for the test. It often happens that the “base” is tested without side airbags, and it receives 3 stars, and the “luxury” with the full package gets all 5. By buying the basic version, you risk getting a car with a 3-star safety level.
Look for expert comments on specific injuries in the report. Phrases like “high risk of tibia fracture” or “insufficient neck support” speak to specific ergonomic and design issues that can manifest themselves in real life.
Always check whether the vehicle crash tested matches the vehicle you are planning to buy. The difference in the availability of pillows can dramatically change the final rating.
The Future of Security Testing
The industry is moving towards eliminating accidents as such. Future crash tests will include scenarios involving interaction with autonomous systems and electric vehicles. Particular attention is paid to battery safety during impact, as the risk of lithium cells catching fire requires new testing protocols.
Cybersecurity tests are also being implemented to prevent hackers from interfering with the vehicle's operation. Mandatory testing of driver condition monitoring systems is expected from 2026, since the human factor remains the main cause of accidents.
Virtual reality technologies allow thousands of simulations to be carried out before the first physical prototype is created. This speeds up the development process and makes the final product safer. However, physical tests with mannequins remain the gold standard for validating calculations.
Why may the results of different organizations (Euro NCAP, IIHS, NHTSA) differ?
The differences are due to different impact techniques and scenarios. For example, the American Institute IIHS is famous for its small overlap test (angle impact), which for a long time was not part of the European protocol. Therefore, a car may have a 5 star rating in Europe and a lower rating in the US for a particular type of impact.
Does the color of a car affect the crash test result?
The color of the paint or metal does not affect the physical strength of the body or the operation of the airbags. However, statistically, cars of bright colors are less likely to get into accidents due to better visibility, which indirectly affects the overall accident rate of the model, but not the results of laboratory tests.
Is it possible to improve the safety of an old car?
It is impossible to radically change the body structure of an old car. However, installing high-quality winter tires, replacing worn shock absorbers and using new generation child seats can significantly reduce the risks in real use.