Which tire has the highest Treadwear (UTQG) in size 275/50R20

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 275/50R20?


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

 Maxxis MA-S2 Marauder II - UTQG: 360AA - Tire Rating: 4.08


320 - Treadwear

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


280 - Treadwear

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


220 - Treadwear

 Michelin Latitude Sport - UTQG: 220AAA - Tire Rating: 4.88

 Michelin Pilot Sport 2 - UTQG: 220AAA - Tire Rating: 4.69