Yes, I would zoom in more.
General rule of thumb it to try to make the field of view so tight that all you really get is the whole vehicle in the view and not much else.
A tighter zoom can then sometimes get those harder to read plates. Here some of the custom plates are a flat plate or temp tags and with it zoomed in tight, I can get most of them.
That tree may need to be "hit" at some point LOL to give you a bigger opening. And that bush will need trimming.
I would try to zoom to about like this field of view: