Which tire has the highest Treadwear (UTQG) in size 215/50R18

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 215/50R18?


520 - Treadwear

 Nankang XR611 - UTQG: 520AA - Tire Rating: 4.13