From 96 on the RZ was the top model, like mine.
93 - 96 the GZ was the top model.
Summary of Brochure Model Information
1993 Brochure
SZ 16" wheels, 5M or 4A (optional LSD)
RZ 16" wheels, 6M or 4A (Torsen LSD on 6 speed)(optional LSD on auto)
GZ 16" wheels, 4A (Torsen LSD)
1996 Brochure
SZ 16" wheels, 5M or 4A (optional LSD)
SZR 16" wheels, 6M (Torsen LSD)
RZS 16" wheels, 6M or 4A (Torsen LSD on 6 speed)(optional LSD on auto)
RZ 17" wheels, 6M (Torsen LSD)
no GZ
1999 Brochure
SZ 16" wheels, 5M or 4A (optional LSD)
SZR 16" wheels, 6M (Torsen LSD)
RZS 16" wheels, 6M or 4A (Torsen LSD on 6 speed)(optional LSD on auto)
RZ 17" wheels, 6M (Torsen LSD)
no GZ