The passenger compartment of the Hyundai INSTER remained stable in the frontal offset test.  The driver’s head ‘bottomed out’ the airbag and a penalty was applied to the protection of this part of the body.  Chest protection was rated as marginal, based on dummy readings of compression.  Dummy readings indicated good protection of the knees and femurs of both the driver and the front seat passenger. Hyundai showed that a similar level of protection would be provided to occupants of different sizes and to those sitting in different positions.  Analysis of the deceleration of the impact trolley during the test, and analysis of the deformable barrier after the test, revealed that the Hyundai INSTER would be a benign impact partner in a frontal collision.  In the full-width rigid barrier test, protection was rated as marginal for the chest of the driver and that of the rear passenger, based on dummy readings of compression.  In the side barrier test, good or adequate protection was provided to all critical body areas.  However, the driver door was found to be unlatched after the test, and the score was penalised.  In the more severe side pole impact, dummy readings of rib compression indicated marginal protection of the chest.  Control of excursion (the extent to which a body is thrown to the other side of the vehicle when it is hit from the far side) was found to be weak  The Hyundai INSTER has a countermeasure to mitigate against occupant-to-occupant injuries in such impacts.  Dummy readings during the test were good, but the car was precluded from scoring points for its far-side protection because of the door-opening in the side barrier test.  Tests on the front seats and head restraints demonstrated good protection against whiplash injuries in the event of a rear-end collision.  A geometric analysis of the rear seats indicated marginal whiplash protection.   The car has an advanced eCall system which alerts the emergency services in the event of a crash, and a  system to prevent secondary impacts after the car has been in a collision.  Hyundai demonstrated that the doors and windows would be openable to allow occupants to escape in the event of vehicle submergence.

In the frontal offset test, protection was good or adequate for all critical body areas for both child dummies.  However, in the side barrier test, the chest of the 10 year dummy recorded accelerations above Euro NCAP’s threshold and protection of that body area was rated as poor.  The front passenger airbag can be disabled to allow a rearward-facing child restraint to be used in that seating position.  Clear information is provided to the driver regarding the status of the airbag and the system was rewarded.    The Hyundai INSTER is not equipped with 'child presence detection' system, a system which issues a warning when it detects that a child or infant has been left in the car. All of the child restraint types for which the Hyundai INSTER is designed could be properly installed and accommodated in the car.

Protection of the head of a struck pedestrian or cyclist was largely good or adequate, with poor results recorded on the stiff windscreen pillars and at the base and top of the screen.   Protection of the pelvis was poor at all test location. In contrast, protection of the femur was good at all test points, and that of the knee and tibia was also predominantly good.  The autonomous emergency braking system of the Hyundai INSTER responds to vulnerable road users such as pedestrians and cyclists, as well as to other vehicles.  In tests of its response to pedestrians, the system performed adequately.  The system performed well in tests of its reaction to cyclists and motorcyclists, although there is no protection against ‘dooring’, where a door is opened in the path of a cyclist approaching from behind.

Overall, the performance of the autonomous emergency braking (AEB) system was adequate in tests of its reaction to other vehicles.  A seatbelt reminder system is fitted as standard to the front and rear seats.  The car has a direct driver status monitoring system as standard, detecting driver fatigue and some types of distraction.  The lane support system gently corrects the vehicle’s path if it is drifting out of lane and also intervenes in some more critical situations.  The speed assistance system identifies the local speed limit.  The driver can choose to allow the limiter to be set automatically by the system.