Which tire has the highest Treadwear (UTQG) in size 235/55R20

It's time to buy new tires for my car, but I want to buy a tire that lasts longer than the original brand, OEM. Which tire has the highest Treadwear in this size 235/55R20?


640 - Treadwear

 Toyo Open Country H/T - UTQG: 640AB - Tire Rating: 4.69

 Nitto NT421Q Premier All-Season Crossover - UTQG: 640AA - Tire Rating: 0


600 - Treadwear

 Yokohama Geolandar SUV G055 - UTQG: 600BA - Tire Rating: 0