and you can add in the fact that the sliding windows don't really slide that well most of the time, so they are just about impossible to open without some persuasion.

I would say they are more secure than the slider on a pickup due to the latch location.

"A young man who does not have what it takes to perform military service is not likely to have what it takes to make a living." - John F. Kennedy

Proud owner of an 88 Montero (with a blown engine).