Went and did some research. Didn't know they came in so many different models.
R32 Models:
Stolen from wiki:
GXi Type-X - 1.8 L CA18i I4, 91 hp (67 kW)
GTE Type-X - 2.0 L RB20E I6, 125 hp (93 kW, 152 N m)
GTS Type-X, S, J - 2.0 L RB20DE I6 155 hp (115 kW, 154 N m)
GTS-25 Type-X, S, XG...