Which tire has the highest Treadwear (UTQG) in size 215/40R16

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 215/40R16?

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360 - Treadwear

 Barum Bravuris - UTQG: 360AA - Tire Rating: 4.11

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340 - Treadwear

 Nexen N3000 - UTQG: 340AAA - Tire Rating: 4.41

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300 - Treadwear

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

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240 - Treadwear

 Michelin Pilot Exalto 2 - UTQG: 240AA - Tire Rating: 4.57

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