If you have more than one car you still only need one car seat. Place a base in each car and seamlessly move the seat from each vehicle.
Lasts from day one to about one year, when Baby reaches the maximum height or weight depending on your seat.
Most car seats are stroller-compatible & can easily go in & out of your car (measure ahead of time to make sure the seat fits).
You can pick a car seat simply based on how it looks & fits your lifestyle. No matter which you choose, it’s going to be safe.