Which tire has the highest Treadwear (UTQG) in size 275/40R22

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 275/40R22?


480 - Treadwear

 Continental CrossContact LX Sport - UTQG: 480AA - Tire Rating: 0


280 - Treadwear

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