Which tire has the highest Treadwear (UTQG) in size 245/50R16

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 245/50R16?


500 - Treadwear

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


440 - Treadwear

 Kumho Solus KH18 - UTQG: 440AA - Tire Rating: 4.19


420 - Treadwear

 Sailun Atrezzo SH402 - UTQG: 420AA - Tire Rating: 4.01


400 - Treadwear

 Kumho Ecsta AST KU25 - UTQG: 400AA - Tire Rating: 3.93


320 - Treadwear

 Kumho Ecsta SPT KU31 - UTQG: 320AAA - Tire Rating: 4.17


300 - Treadwear

 Toyo Proxes 4 - UTQG: 300AAA - Tire Rating: 4.26