The 91-93 door panels are the same except for the bezel, and if they are cloth or vinyl.
If you need vinyl, you will find more of them on the RMs and OCCs.
You may be able to repair your panel if it is not badly broken. There are posts on the repair of door panels on here and ISSF.
You can also paint a panel to match with SEM or other plastic compatible paint of the correct color (plan on two spray cans).
You can make the panels without the pull strap work by cutting the hole to match the one you have.
The bottom can be transplanted from one door to another, and all Caprice panels, 91-93 RM and 91-92 OCC lower panels are the same.
I have some driver's side door panels in various colors, but I do not have a driver's side blue one.