Which tire has the highest Treadwear (UTQG) in size 255/70R16

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 255/70R16?

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680 - Treadwear

 Continental ContiCrossContact LX - UTQG: 680AB - Tire Rating: 4.17

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640 - Treadwear

 Kumho Road Venture SAT KL61 - UTQG: 640AB - Tire Rating: 4.29

 Toyo Open Country H/T - UTQG: 640AB - Tire Rating: 4.69

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600 - Treadwear

 Kumho Road Venture APT KL51 - UTQG: 600AA - Tire Rating: 4.25

 Cooper Discoverer LSX Plus - UTQG: 600AB - Tire Rating: 0

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580 - Treadwear

 Goodyear Wrangler TrailRunner AT - UTQG: 580AB - Tire Rating: 0

 BFGoodrich Long Trail T/A Tour - UTQG: 580AB - Tire Rating: 4.63

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540 - Treadwear

 Maxxis HT 760 - UTQG: 540AB - Tire Rating: 4.42

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520 - Treadwear

 Pirelli Scorpion STR - UTQG: 520AB - Tire Rating: 3.57

 Nexen Roadian HT SUV - UTQG: 520AB - Tire Rating: 4.79

 Achilles Desert Hawk H/T - UTQG: 520AB - Tire Rating: 4.47

 Nexen Roadian HT - UTQG: 520AB - Tire Rating: 0

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500 - Treadwear

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

 Sailun Terramax HT - UTQG: 500AB - Tire Rating: 4.56

 Toyo Open Country A/T - UTQG: 500AB - Tire Rating: 4.52

 Kumho Road Venture AT KL78 - UTQG: 500AB - Tire Rating: 4.39

 Aeolus AS01 - UTQG: 500AB - Tire Rating: 3.88

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

 Aeolus AS02 - UTQG: 500AA - Tire Rating: 4.38

 Maxxis AT-771 Bravo - UTQG: 500AA - Tire Rating: 4.19

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460 - Treadwear

 Dunlop Grandtrek AT3 - UTQG: 460AB - Tire Rating: 4.35

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440 - Treadwear

 Pirelli Scorpion ATR - UTQG: 440AB - Tire Rating: 4.04

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400 - Treadwear

 Bridgestone Dueler A/T - UTQG: 400AB - Tire Rating: 3.93

 Nexen Roadian 542 - UTQG: 400AAA - Tire Rating: 4.21

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300 - Treadwear

 Bridgestone Dueler H/T D840 - UTQG: 300BB - Tire Rating: 3.78

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