Which tire has the highest Treadwear (UTQG) in size 285/30R20

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 285/30R20?

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540 - Treadwear

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

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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

 Michelin Pilot Super Sport - UTQG: 300AA - Tire Rating: 4.52

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

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280 - Treadwear

 Continental ContiSportContact 3 - UTQG: 280AAA - Tire Rating: 4.68

 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

 Continental ContiSportContact 5 P - UTQG: 240AAA - Tire Rating: 0

 Dunlop Sport Maxx RT - UTQG: 240AAA - Tire Rating: 0

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180 - Treadwear

 Yokohama Advan Sport - UTQG: 180AAA - Tire Rating: 4.23

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