Which tire has the highest Treadwear (UTQG) in size 245/45R16

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 245/45R16?

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340 - Treadwear

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

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280 - Treadwear

 Continental ContiSportContact - UTQG: 280AA - Tire Rating: 3.75

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

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