Which tire has the highest Treadwear (UTQG) in size 275/60R18

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 275/60R18?

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740 - Treadwear

 Continental CrossContact LX20 - UTQG: 740AB - Tire Rating: 0

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500 - Treadwear

 Yokohama Geolandar H/T-S G051 - UTQG: 500AB - Tire Rating: 4.3

 Kumho Solus KL21 - UTQG: 500AA - Tire Rating: 4.52

 Yokohama Geolandar A/T-S G012 - UTQG: 500AB - Tire Rating: 4.52

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