The right car seat for your child will differ based on the age of your child and their weight. Make sure to check to see if the car seat meets safety standards that are set by government agencies to keep children safe.
A young child between the ages of 0 to 2 years will need a particular type of car seat that one who is between the ages of 4 to 8 might not. A lot of the safety features have to do with what would happen to the child if there was an accident and they ended up getting through around the car. The best thing is to have a seat that protects them from any potential injuries.
The price tag of the car seat is important, but it doesn't necessarily equate to the actual potential safety of that seat. Make sure to look at all of the factors that go into the seat you ultimately select.