Gz, Rz, Sz, Sz-r

[Tacomzz09]

Hi,
can anyone tell me the difference between the Toyota Supra GZ, RZ, SZ-R?

[Jeeves]

http://mkiv.supras.org.nz/specs.htm

Japanese Mkiv Production Changes
Dec 1992 Mkiv Supra pre-production test models
April 1993 Mkiv Supra production officially commenced
May 1993 Mkiv Supra Sales officially commenced
Aug 1994 SZR introduced, 17" wheels, 4 pot front/2 pot rear bigger brakes option available
May 1995 RZ re-labelled as RZS, RZS now small diff, RZ now has 17" wheels, bigger brakes option on all models, TT aerotops discontinued, Recaro seat option
May 1996 Facelift introduced, SZR 6 speed introduced, GZ discontinued, included Sport ABS with big brakes, SRS air bag now standard equipment, Getrag 2nd gear synchro improved, now aluminium radiator on RZ
April 1997 Approx. chassis number when Production plants A21-26 stopped production
May 1997 Production plants M21-22 started production. Chassis numbering re-started
Sept 1997 VVTi engine (now BEAMS previously LASRE), hot wire type air flow meter, REAS (Relative Absorber System) shock absorber system introduced, V160 changed to V161, adopted collision safe body GOA, adopted flex lockup equipped 4th gear automatic ECT-iE
Aug 1999 SZR aerotop discontinued. No aerotop, no more!, frame designation changed from E to GF
July 2002 Last Supra rolls off the production line. No Supra, no more?

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