Which tire has the highest Treadwear (UTQG) in size 305/35R24

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 305/35R24?

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500 - Treadwear

 Nitto Terra Grappler All-Terrain Light Truck Radial Tire - UTQG: 500AB - Tire Rating: 0

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460 - Treadwear

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

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420 - Treadwear

 Hankook Ventus ST RH06 - UTQG: 420AA - Tire Rating: 4.75

 Toyo Proxes ST - UTQG: 420AA - Tire Rating: 4.58

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

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

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

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400 - Treadwear

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

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

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320 - Treadwear

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

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