For 4th Gen Preludes (1992-1996), there are three trim levels:

The Prelude S has a non-VTEC 2.2 L SOHC
The Prelude SI and SE have a non-VTEC 2.3 L DOHC
The Prelude SR or VTEC has a DOHC 2.2 L VTEC

The SE edition came out in 1995, and was an upgraded version of the SI...Leather seats, CD, Spoiler etc...