Is it true after a certain year make n model, you don't have to do inspection

1995 and older models no longer have to be inspected. Has nothing to do with make or model, just model year.

It depends on the make and model on how long in between ur first inspection is. Newer ones ur first inspection is 5 years after that is every 2 years

My understanding is that if the car is 20 years or older you don't need an inspection anymore.

Yes

No not true

I'm not sure I've never heard that.

Yes its true cars made in 1995 and older do NOT need to be inspected

No