Tbh...i dont think anyone knows apart frm Mr Toyota man himself...although i think there mabe a guess figure on how many SR`s there were made in each colour silver,black being the rear ones. Yup 1998-1999 is what you want imo best model to get is either the CD they come with rev gauge, front electrics, power steering and electric sunroof or the SR (minus the electric sunroof but it has a manual one)....anything else?