Which tire has the highest Treadwear (UTQG) in size 245/55R18

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 245/55R18?

---

600 - Treadwear

 BFGoodrich Advantage T/A Sport - UTQG: 600AA - Tire Rating: 0

---

560 - Treadwear

 Nitto Motivo All-Season Ultra High Performance Tire - UTQG: 560AA - Tire Rating: 0

---

500 - Treadwear

 Cooper Zeon RS3-A - UTQG: 500AAA - Tire Rating: 0

---