Which tire has the highest Treadwear (UTQG) in size 235/50R19

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 235/50R19?


640 - Treadwear

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


420 - Treadwear

 Continental ContiCrossContact UHP - UTQG: 420AAA - Tire Rating: 4.68


360 - Treadwear

 Continental Conti4x4Contact - UTQG: 360AA - Tire Rating: 3.94