ECE R44/04 | ECE R129 (i-Size) |
Classification based on child’s weight (in kg) | Classification based on child’s height (in cm) |
Categorised by groups (Group 0+, 1, 2, 3) | No groups |
Child can be forward facing from 9 kg | Child must rear face to a minimum of 15 months |
Can be used for seat belt or ISOFIX seats | Can only be used for ISOFIX |
Rear and front impact testing | Rear, front and side impact testing |
P dummy used in crash tests with 4 sensors | Q dummy used in crash tests with 32 sensors |