I guess it really has to do with how and what your hunting, if your calling coyotes in forested areas or thick cover a 1-4x20 thru 2.5-whatever work well, I like to have at least a 40' FOV on the bottom end and keep it there until I need more X's.
Shooting open country for coyotes is a different game, and throw in colony varmints with the same rifle and a 4-16 thru 6-24 would not be out of the question.
I like 1-4x20mm scopes on my combo rifles, great for close in stuff with the shotgun barrel and still 300 yard capable with the rifle barrel. On my AR and bolt actions for calling coyotes a 1.5-6x4?mm scopes. I have a couple of longer range rigs and they wear 2.5-10x40mm and 2-12x4?mm scopes.
I'm not brand conscious and am shooting Leupold, Burris, Weaver, Konus and Athlon scopes. I would stay away from any brands bottom end scope but I haven't found that I have any need for top tier scopes to kill coyotes. I find the simpler the scope is the better it is on a coyote stand.
Good luck with your selection, remember picking a scope is easier than picking a wife, you can always sell the scope if it doesn't work for you.