Which tire has the highest Treadwear (UTQG) in size 205/60R15

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 205/60R15?

780 - Treadwear

 Cooper CS5 Grand Touring - UTQG: 780AA - Tire Rating: 0

680 - Treadwear

 Kumho Solus KR21 - UTQG: 680AB - Tire Rating: 4.5

 Continental ContiCrossContact LX - UTQG: 680AB - Tire Rating: 4.17

640 - Treadwear

 Bridgestone Turanza EL400 - UTQG: 640AB - Tire Rating: 3.07

620 - Treadwear

 Pirelli P3000 - UTQG: 620AA - Tire Rating: 4.23

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

600 - Treadwear

 Goodyear Fortera - UTQG: 600AB - Tire Rating: 4.23

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

540 - Treadwear

 Continental ExtremeWinterContact - UTQG: 540AA - Tire Rating: 0

520 - Treadwear

 Sonar SX-608 - UTQG: 520AA - Tire Rating: 4.63

500 - Treadwear

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

480 - Treadwear

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

 Dunlop SP Sport LM703 - UTQG: 480AA - Tire Rating: 4.25

460 - Treadwear

 GT Radial Champiro-128 - UTQG: 460AA - Tire Rating: 4.1

 Federal Formoza FD1 - UTQG: 460AA - Tire Rating: 4.58

440 - Treadwear

 Pirelli Scorpion ATR - UTQG: 440AB - Tire Rating: 4.04

 Kenda Komet SPT-1 KR10 - UTQG: 440AA - Tire Rating: 4.4

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

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

 Maxxis MA-P1 - UTQG: 440AA - Tire Rating: 4.23

 Goodyear Eagle GT - UTQG: 440AA - Tire Rating: 4

 Goodride SP06 - UTQG: 440AB - Tire Rating: 3.49

420 - Treadwear

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

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

 Federal SS 657 - UTQG: 420AA - Tire Rating: 4.45

 Michelin Energy XM2 - UTQG: 420AA - Tire Rating: 4.44

 Goodyear Fortera Confortred - UTQG: 420 - Tire Rating: 0

400 - Treadwear

 Goodyear Assurance - UTQG: 400AB - Tire Rating: 4.58

 Nexen CP661 - UTQG: 400AA - Tire Rating: 4.05

 Kumho Solus KH17 - UTQG: 400AA - Tire Rating: 4.16

 Torque TQ021 - UTQG: 400AA - Tire Rating: 3.69

 Toyo Proxes TPT - UTQG: 400AA - Tire Rating: 4.52

 Tornel Astral - UTQG: 400AA - Tire Rating: 4.16

 Marshal Matrac MH11 - UTQG: 400AA - Tire Rating: 4.43

 Ovation EcoVision VI-682 - UTQG: 400AA - Tire Rating: 4.4

 Hankook Optimo K415 - UTQG: 400AA - Tire Rating: 4.61

 Jinyu YH12 - UTQG: 400AA - Tire Rating: 3.78

 Nexen CP641 - UTQG: 400AA - Tire Rating: 4.22

380 - Treadwear

 Dunlop SP Sport LM702 - UTQG: 380AA - Tire Rating: 4.45

360 - Treadwear

 Horizon HH301 - UTQG: 360AA - Tire Rating: 0

 Hankook Optimo K406 - UTQG: 360AA - Tire Rating: 4.35

 Aeolus AH01 - UTQG: 360AA - Tire Rating: 4.31

 Barum Bravuris - UTQG: 360AA - Tire Rating: 4.11

 Sonny SU830 - UTQG: 360AA - Tire Rating: 4.31

340 - Treadwear

 Kumho Ecsta HM KH31 - UTQG: 340AAA - Tire Rating: 4.26

 Kumho Ecsta XT KU37 - UTQG: 340AAA - Tire Rating: 4.35

 Kumho Solus KH15 - UTQG: 340AAA - Tire Rating: 4.18

 Bridgestone Potenza RE760 Sport - UTQG: 340AA - Tire Rating: 3.96

 Nexen N2000 - UTQG: 340AAA - Tire Rating: 4.42

 Barum Bravuris 2 - UTQG: 340AA - Tire Rating: 4.09

320 - Treadwear

 Accelera Alpha - UTQG: 320AA - Tire Rating: 4.11

 Bridgestone Turanza ER300 - UTQG: 320AA - Tire Rating: 3.45

 Goodyear Eagle Excellence Aquamax - UTQG: 320AA - Tire Rating: 4.22

 Rotalla Radial F108 - UTQG: 320AA - Tire Rating: 0

 Fate AR-35 Advance - UTQG: 320AA - Tire Rating: 4.21

 Marshal Matrac XM KH35 - UTQG: 320AA - Tire Rating: 4.38

300 - Treadwear

 Maxxis MA-V1 - UTQG: 300AA - Tire Rating: 3.5

 Yokohama A.DRIVE - UTQG: 300AA - Tire Rating: 4.43

 Yokohama C.DRIVE - UTQG: 300AA - Tire Rating: 4.38

 Hankook Optimo K424 MEO2 - UTQG: 300AA - Tire Rating: 3.76

280 - Treadwear

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

 Maxxis MA35 Victra Asymmet - UTQG: 280AAA - Tire Rating: 4.75

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

260 - Treadwear

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

 GT Radial Champiro GTX-60 - UTQG: 260AA - Tire Rating: 4.6

240 - Treadwear

 Michelin Pilot Primacy - UTQG: 240AAA - Tire Rating: 4.34

 Goodyear Excellence - UTQG: 240AA - Tire Rating: 3.66

 Goodyear Eagle NCT5 - UTQG: 240AA - Tire Rating: 3.71

 Maxxis M36 Victra - UTQG: 240AAA - Tire Rating: 4.71

 Michelin XH-AS - UTQG: 240AA - Tire Rating: 4.39

 BFGoodrich G-Grip - UTQG: 240AA - Tire Rating: 4.33

220 - Treadwear

 tri-Ace Steady-33 - UTQG: 220AB - Tire Rating: 0

200 - Treadwear

 Dunlop SP Sport 2000 - UTQG: 200AA - Tire Rating: 4.25

180 - Treadwear

 Bridgestone Potenza GIII - UTQG: 180AA - Tire Rating: 4.52