Which tire has the highest Treadwear (UTQG) in size 285/45R20

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 285/45R20?


320 - Treadwear

 Yokohama Advan ST - UTQG: 320AAA - Tire Rating: 4.55


280 - Treadwear

 Continental ContiSportContact 5 - UTQG: 280AAA - Tire Rating: 0