The best replacement for hard top is convertible.

The best alternatives to hard top are rated as following:
★★★★★  convertible
★★★★  soft top
★★★  soft top convertible
★  soft top jeep

Your alternative for hard top is not listed? Suggest!
Speaking about hard top, one probably shouldn't forget about soft doors.

Other search terms related to hard top and their ratings are:
★★★★★ soft doors
★★★★ half doors
You have in mind a companion for hard top and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of hard top in all years. Click on graph for more.
hard top
convertible
soft top