The model line for integras..

GS-Rs arent rare, just people who have them won't sell them...just like Type Rs...

Check this out...

Year Model Engine Gen. HP Maker

86-87 D16A1 1G-DA 113hp USA
86-89 ZC 1G-DA 129hp Japan
88-89 D16A3 1G-DA 118hp USA
90-91 GS B18A1 2G-DB 130hp USA
90-93 ZC 2G-DB 119hp Japan
90-93 X Si B16A 2G-DB 158hp Japan
R Si
92-93 GS B18A1 2G-DB 140hp USA
92-93 GSR B17A1 2G-DB 160hp USA
94-00 LS/RS/ B18B1 3G-DC 142hp USA
GS
95-97 Si R B18C 3G-DC 178hp Japan
95-00 TypeR B18C5 3G-DC 197hp Japan
97-98 GSR B18C1 3G-DC 170hp USA
97-98 TypeR B18C5 3G-DC 195hp USA
00

Those are the INtegra specs from the beginning...