4th gen ludes came in these trims
Type S (F22 135 hp)
Type Si (H23 160 hp)
VTEC (190 - 195 hp H22)
4WS (H23 with 4 wheel steering)

5th gen ludes came in these trims
Base (H22 195 hp)
Type Sh (H22 195 hp with ATS or something like that....traction control...also it had a different rear deck and trim options)