The best replacement for pushchair is stroller.

The best alternatives to pushchair are rated as following:
★★★★★  stroller
★★★★  pram
★★★  buggy
★★  travel system

Your alternative for pushchair is not listed? Suggest!
Speaking about pushchair, one probably shouldn't forget about carrycot.

Other search terms related to pushchair and their ratings are:
★★★★★ carrycot
You have in mind a companion for pushchair and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pushchair in all years. Click on graph for more.
pushchair
stroller
pram