Which tire has the highest Treadwear (UTQG) in size 275/40R20

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 275/40R20?

640 - Treadwear

 Nitto NT421Q Premier All-Season Crossover - UTQG: 640AA - Tire Rating: 0

560 - Treadwear

 Continental SureContact RX - UTQG: 560AAA - Tire Rating: 0

 Nitto Motivo All-Season Ultra High Performance Tire - UTQG: 560AA - Tire Rating: 0

 Continental ExtremeContact DWS 06 - UTQG: 560AAA - Tire Rating: 0

540 - Treadwear

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

460 - Treadwear

 Nexen Roadian HP - UTQG: 460AA - Tire Rating: 4.13

420 - Treadwear

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

 Nankang N990 - UTQG: 420AAA - Tire Rating: 3.63

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

 Continental ContiCrossContact UHP - UTQG: 420AAA - Tire Rating: 4.68

 Hankook Ventus ST RH06 - UTQG: 420AA - Tire Rating: 4.75

 Toyo Proxes ST 2 - UTQG: 420AA - Tire Rating: 4.43

400 - Treadwear

 Achilles Desert Hawk UHP - UTQG: 400AA - Tire Rating: 4.63

 Pirelli Scorpion Zero - UTQG: 400AA - Tire Rating: 3.53

 Sunitrac Focus 9000 - UTQG: 400AA - Tire Rating: 4.32

340 - Treadwear

 Rotalla F105 - UTQG: 340AA - Tire Rating: 0

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

320 - Treadwear

 Marshal Matrac X3 KL17 - UTQG: 320AAA - Tire Rating: 4.54

 Kumho Ecsta X3 KL17 - UTQG: 320AAA - Tire Rating: 4.63

 Yokohama Advan ST - UTQG: 320AAA - Tire Rating: 4.55

 Federal Couragia FX - UTQG: 320AA - Tire Rating: 4.25

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

300 - Treadwear

 Bridgestone Dueler H/P Sport - UTQG: 300AA - Tire Rating: 4.09

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

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

280 - Treadwear

 Continental Conti4x4SportContact - UTQG: 280AA - Tire Rating: 3.97

 Continental ContiSportContact 5 - UTQG: 280AAA - Tire Rating: 0

260 - Treadwear

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

240 - Treadwear

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

200 - Treadwear

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

180 - Treadwear

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