Which tire has the highest Treadwear (UTQG) in size 185/55R14

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 185/55R14?

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420 - Treadwear

 Sailun Atrezzo SH402 - UTQG: 420AA - Tire Rating: 4.01

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400 - Treadwear

 Ovation EcoVision VI-682 - UTQG: 400AA - Tire Rating: 4.4

 Nexen CP661 - UTQG: 400AA - Tire Rating: 4.05

 Jinyu YH12 - UTQG: 400AA - Tire Rating: 3.78

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340 - Treadwear

 Kumho Ecsta XT KU37 - UTQG: 340AAA - Tire Rating: 4.35

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320 - Treadwear

 Kumho Ecsta SPT KU31 - UTQG: 320AAA - Tire Rating: 4.17

 GT Radial Champiro-228 - UTQG: 320AA - Tire Rating: 3.63

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300 - Treadwear

 Yokohama S.DRIVE - UTQG: 300AAA - Tire Rating: 4.33

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280 - Treadwear

 Dunlop SP Sport 01 - UTQG: 280AA - Tire Rating: 4.24

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