Which tire has the highest Treadwear (UTQG) in size 275/30R20

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 275/30R20?

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560 - Treadwear

 Nitto Motivo All-Season Ultra High Performance Tire - UTQG: 560AA - Tire Rating: 0

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540 - Treadwear

 Continental ExtremeContact DWS - UTQG: 540AA - Tire Rating: 0

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400 - Treadwear

 Achilles ATR Sport - UTQG: 400AAA - Tire Rating: 4.57

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320 - Treadwear

 Nitto NT555 G2 Summer Ultra High Performance Tire - UTQG: 320AAA - Tire Rating: 0

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300 - Treadwear

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

 Nitto NT555 Summer Ultra High Performance - UTQG: 300AA - Tire Rating: 4.13

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280 - Treadwear

 Bridgestone Potenza S001 - UTQG: 280AA - Tire Rating: 4.19

 Toyo Proxes T1R - UTQG: 280AAA - Tire Rating: 4.65

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260 - Treadwear

 Nitto Invo Luxury Sport Ultra High Performance Tire - UTQG: 260AAA - Tire Rating: 0

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240 - Treadwear

 Toyo Proxes Sport - UTQG: 240AAA - Tire Rating: 0

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200 - Treadwear

 Nankang NS-2 - UTQG: 200AA - Tire Rating: 4.5

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180 - Treadwear

 Yokohama Advan Sport V103 - UTQG: 180AAA - Tire Rating: 4.38

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