Which tire has the highest Treadwear (UTQG) in size 225/60R18

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 225/60R18?


700 - Treadwear

 Toyo Versado LX - UTQG: 700AB - Tire Rating: 4.59

 Continental PureContact - UTQG: 700AA - Tire Rating: 0


620 - Treadwear

 Cooper CS5 Ultra Touring - UTQG: 620AA - Tire Rating: 0


600 - Treadwear

 Yokohama Geolandar SUV G055 - UTQG: 600BA - Tire Rating: 0

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


500 - Treadwear

 Nexen CP672 - UTQG: 500AA - Tire Rating: 4.57

 Continental ProContact TX - UTQG: 500AA - Tire Rating: 0


480 - Treadwear

 Bridgestone Ecopia EP422 - UTQG: 480AA - Tire Rating: 0


440 - Treadwear

 Kumho Solus KH16 - UTQG: 440AAA - Tire Rating: 4.08

 Cooper CS3 Touring - UTQG: 440AA - Tire Rating: 0


420 - Treadwear

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

 Nexen N5000 - UTQG: 420AA - Tire Rating: 4.55


400 - Treadwear

 Continental ContiProContact - UTQG: 400AAA - Tire Rating: 4.23


360 - Treadwear

 Dunlop Grandtrek ST30 - UTQG: 360AB - Tire Rating: 4.38

 Continental Conti4x4Contact - UTQG: 360AA - Tire Rating: 3.94


280 - Treadwear

 Dunlop SP Sport 01 - UTQG: 280AA - Tire Rating: 4.24


260 - Treadwear

 Pirelli P7 - UTQG: 260AAA - Tire Rating: 3.81