some have 5 doors (one side sliding) some have 6 (2 side sliding) and some only have 4 (no side roods at all) so you can have a variation in everything so it's also about where you want to access it from, i've found that all the side sliding doors tend to be high top versions although we have some that have none, but are still high top, like mine currently is

you may also want to consider looking at those with the driver pack fitted, electric windows, mirrors hot screen and stuff as well as those with the higher spec parking sensors and air con

the one thing you will doubtless hear about is how easy the rear corner bumper ends are to lose, something a safe-t-bar on the rear stops from happening as soon as it's fitted