The best replacement for car seat is booster seat.

The best alternatives to car seat are rated as following:
★★★★★  booster seat
★★★★★  booster
★★★  travel system
★★  bassinet
★★  convertible car seat
★★  convertible
★★  car seats
★★  infant car seat
★  capsule
★  booster california
★  infant carrier
★  britax
★  seat belt
★  cares harness
★  no car seat
★  5 point car seat
  booster for 5 year old
  booster for 3 year old
  booster car seat
  graco nautilus
  chicco
  forward facing car seat
  child car seat
  forward facing
  booster seats
  bassinet in stroller
  carrycot
  3 in 1
  britax boulevard car seat

Your alternative for car seat is not listed? Suggest!
Speaking about car seat, one probably shouldn't forget about stroller.

Other search terms related to car seat and their ratings are:
★★★★★ stroller
★★ car rental
★★ seatbelt
★ rental car
★ booster
★ double stroller
★ isofix
stroller frame
airbag
renting car
You have in mind a companion for car seat and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of car seat in all years. Click on graph for more.
car seat
booster seat
booster