FYI: here's a page with lots of detailed info about all the generations of the Prelude's.

http://www.ntpog.org/specs/index.shtml

4th gen (92-96) had 3 models to choose from, varying quite a bit with power plant options and features
5th gen (97-01) had 2 models to choose from, not much diffrent cept for some suspension and minor tweaks here and there