Sorry I mistyped, I did at least this much research myself to now the spec difference(Didn't wanted to be complete burden on you guys).
What I wanted to ask was the price difference in these models for a 2006,2007 car:
RXI Price range?
RXI (CNG) ?
LXI ? And LXI (aftermarket CNG) ?
I'll be going on car hunt on this weekend, Hopefully by Monday) I'll have a new car. (Or by the end of next week)