Which tire has the highest Treadwear (UTQG) in size 305/45R22

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 305/45R22?


600 - Treadwear

 Nitto Terra Grappler G2 All-Terrain Light Truck Radial Tire - UTQG: 600AB - Tire Rating: 0


500 - Treadwear

 Toyo Open Country A/T - UTQG: 500AB - Tire Rating: 4.52


460 - Treadwear

 Nexen Roadian HP - UTQG: 460AA - Tire Rating: 4.13


440 - Treadwear

 Pirelli Scorpion ATR - UTQG: 440AB - Tire Rating: 4.04


420 - Treadwear

 Nankang SP-7 - UTQG: 420AAA - Tire Rating: 4.31

 Nitto NT420S All-Season Tire - UTQG: 420AA - Tire Rating: 0

 Yokohama Parada Spec-X - UTQG: 420AA - Tire Rating: 4.55

 Federal Couragia S/U - UTQG: 420AA - Tire Rating: 4

 Kumho Ecsta STX KL12 - UTQG: 420AA - Tire Rating: 4.5

 Toyo Proxes ST 2 - UTQG: 420AA - Tire Rating: 4.43


400 - Treadwear

 Pirelli Scorpion Zero - UTQG: 400AA - Tire Rating: 3.53

 Achilles Desert Hawk UHP - UTQG: 400AA - Tire Rating: 4.63


360 - Treadwear

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