Right now, I have Continental Crosscontact Sports, Firestone Weathergrips, and Bridgestone Weatherpeaks. All my vehicles will move to either Pirelli, General, Falken, or Yokohama. Those are the brands I have a preference for at this moment in time.
My three vehicles are a '23 Blazer, '17 Spark, and '19 Camry Hybrid. The Blazer will get General RT45s. The Spark will be getting either Yokohama or Falken Sincera. The Camry will get either General RT45s or Pirelli Cinturato Weatheractive.
The Continentals have about 26k miles and 6.5/32 tread, no signs of cracking or tread separation.
The Weathergrips are on a '17 Spark, that weights next to nothing. They are around a year old, only about 10k miles, and will get replaced very soon. The tread is good, but the tread separation is starting to be a cause of concern.
The Weatherpeaks have been an exceptional tire, they saved my life once during a snow storm when a semi came into my lane, didn't see me, ran me off the road and I would've hit a bridge and gone into a creek if I didn't gain traction back so quick. They have the slightest amount of outer tread cracking, no concern however.
Over the years, I have had Firestone Destinations, Bridgestone Ecopias, Firestone Fuel Fighters, and a few others. They all perform well, but dry rot or crack way too early. My last set of Destinations had about 50k miles, still had about 5/32 tread, but were very dry rotted.
It seems like, unless you get the very best, the most expensive tire, from either Firestone or Bridgestone, they are not worth it. I even get a sizeable discount on them, but would rather pay the extra for tires that will not crack or rot.