Shopping for new tires. Any suggestions?

[DirtyBoots]

47k on the Ole boy and the Grabbers are cupping bad on the inside (all 4!!) Tires rotated every oil change air pressure 37psi 3 different dealerships have checked everything with no issues. They all said that A/T tires will eventually have issues but mine are crap for some reason and they all have seen many Grabbers with this issue. Started about 15k ago and General could care less! So it's off to tire shopping and wondered if anyone has real world miles on any Coopers,Nitto's, Toyo's etc. as far as wear and rain and snow performance (a must) fuel milage differences. I see alot of sales going where I'm at in North VA as I am away from home (FLA). And will be purchasing in the next week.Truck is 100% stock setup.
Any input is much appreciated

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