Which tire has the highest Treadwear (UTQG) in size 305/40R23

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 305/40R23?


420 - Treadwear

 Kumho Ecsta STX KL12 - UTQG: 420AA - Tire Rating: 4.5

 Nitto NT420S All-Season Tire - UTQG: 420AA - Tire Rating: 0

 Toyo Proxes ST - UTQG: 420AA - Tire Rating: 4.58

 Yokohama Parada Spec-X - UTQG: 420AA - Tire Rating: 4.55