it depends on the year,and trim(if trim is the word.)egs
st185 is the regular 1990 to 1993 the ones with the flip up lights.it also has a st 185h looks the same except the Hood
scoop goes down into the Hood
cause it has a water to air intercooler. then it has the st 185wrc same as the st 185h but lighter,more power and diffrent gear ratios.200 hp in the us spec to 225 in the jdm 235 in the st 185h even more in the wrc.(for that gen tuned)
then comes the st 205 which is the 6th gen (the kids around here call them "bug light celicas" all came with the 3rd gen motor. hp 245 min to 292 in the wrc tuned.
this st 205wrc is the balls to the wall celica,simple bolt ons and cranking the boost(on good gas)turns that already lively car into a 4 tire shedding beast!