Which tire has the highest Treadwear (UTQG) in size 265/40R18

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 265/40R18?


540 - Treadwear

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


340 - Treadwear

 Continental ContiExtremeContact DW - UTQG: 340AAA - Tire Rating: 4.58


320 - Treadwear

 Nankang AS-1 - UTQG: 320AA - Tire Rating: 4.46


300 - Treadwear

 Michelin Pilot Super Sport - UTQG: 300AA - Tire Rating: 4.52


280 - Treadwear

 Kumho Ecsta LE Sport KU39 - UTQG: 280AAA - Tire Rating: 4.38

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


240 - Treadwear

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

 Continental ContiSportContact 5 P - UTQG: 240AAA - Tire Rating: 0


220 - Treadwear

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


180 - Treadwear

 Yokohama Advan Neova AD08 - UTQG: 180AAA - Tire Rating: 4.06


140 - Treadwear

 Pirelli Pzero Assimetrico - UTQG: 140AA - Tire Rating: 4.38