I have the cosco mightyfit 65 it's smaller then the others so you can still fit stuff in your back seat and it's from 5-65 lbs rear facing and forward facing and it's affordable I love it
Definitely get the Safety 1st Continuum 3-in-1. My son and I were unfortunately in a car accident on Monday (we flipped onto the side and everything) and my son was completely unharmed