Evenflo has a car seat that is designed to last 10 years. This seems pretty reasonable, after this point I assume you'd want access to the latest technology and

Evenflo has a car seat that is designed to last 10 years. This seems pretty reasonable, after this point I assume you'd want access to the latest technology and safety standards, and plastics do age some over time. https://www.evenflo.com/gold/ https://www.evenflo.com/gold/