The passenger compartment remained stable in the frontal offset impact.  Dummy readings from the driver's knee indicated adequate protection.  Structures in the dashboard presented a risk of injury to the driver and passenger and protection of the knee/femur/pelvis area was downgraded to marginal.  Otherwise, protection of both dummies was good or adequate.  In the full-width rigid-barrier test, and also in the side barrier impact, protection of all critical body areas was at least adequate.  In the more severe side pole impact, dummy measurements of chest deformation indicated marginal protection for that part of the body. Tests on the front seats and head restraints indicated good protection against whiplash injuries in the event of a rear-end collision.  A geometric assessment of the rear seats indicated marginal whiplash protection there.  The i30 has, as standard, an autonomous emergency braking system.  Tests of the system at the low speeds typical of city driving, at which many whiplash injuries are caused, showed good performance.

In the frontal offset test, protection of the 10 year dummy was good or adequate.  Dummy readings of chest deceleration in the 6 year dummy indicated marginal protection.  In the side barrier test, both dummies were well protected and maximum points were scored.  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.  All of the restraints for which the i30 is designed could be properly installed and accommodated.

The bonnet surface provided good or adequate protection to the head of a struck pedestrian but performance was weak and poor in tests around the windscreen pillars. The protection provided to pedestrians' legs by the bumper was good at all test locations.  Protection of the pelvis was also predominantly good.  An autonomous emergency braking system which detects pedestrians is available as an option but was not assessed as part of this rating as it is not standard equipment.

The autonomous emergency braking system performed adequately in tests of its functionality at highway speeds.  A seatbelt reminder is standard for the front and rear seats.  A driver-set speed limitation device and a lane departure warning system are also both standard fit.