Which tire has the highest Treadwear (UTQG) in size 275/40R18

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 275/40R18?


540 - Treadwear

 Continental ExtremeContact DWS - UTQG: 540AA - Tire Rating: 0


460 - Treadwear

 Dunlop Direzza DZ102 - UTQG: 460AA - Tire Rating: 0


320 - Treadwear

 Nitto NT555 G2 Summer Ultra High Performance Tire - UTQG: 320AAA - Tire Rating: 0

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


300 - Treadwear

 Nitto NT555 Summer Ultra High Performance - UTQG: 300AA - Tire Rating: 4.13

 Cooper Zeon RS3-S - UTQG: 300AAA - Tire Rating: 0


280 - Treadwear

 Toyo Proxes T1R - UTQG: 280AAA - Tire Rating: 4.65

 Continental ContiSportContact 2 - UTQG: 280AAA - Tire Rating: 4.46

 Continental ContiSportContact 3 - UTQG: 280AAA - Tire Rating: 4.68


260 - Treadwear

 Nitto Invo Luxury Sport Ultra High Performance Tire - UTQG: 260AAA - Tire Rating: 0


240 - Treadwear

 Dunlop SP Sport Maxx - UTQG: 240AAA - Tire Rating: 4.56

 Toyo Proxes Sport - UTQG: 240AAA - Tire Rating: 0


220 - Treadwear

 Michelin Pilot Sport 2 - UTQG: 220AAA - Tire Rating: 4.69


200 - Treadwear

 Nitto NT05 Max Performance Tire - UTQG: 200AAA - Tire Rating: 0


180 - Treadwear

 Yokohama Advan Sport V103 - UTQG: 180AAA - Tire Rating: 4.38