Which tire has the highest Treadwear (UTQG) in size 235/60R18

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 235/60R18?

800 - Treadwear

 Continental TrueContact - UTQG: 800AB - Tire Rating: 0

740 - Treadwear

 Goodyear Assurance ComforTred Touring - UTQG: 740AB - Tire Rating: 0

 Continental CrossContact LX20 - UTQG: 740AB - Tire Rating: 0

640 - Treadwear

 Toyo Open Country H/T - UTQG: 640AB - Tire Rating: 4.69

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

620 - Treadwear

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

600 - Treadwear

 Kumho Road Venture APT KL51 - UTQG: 600AA - Tire Rating: 4.25

 Cooper Discoverer LSX Plus - UTQG: 600AB - Tire Rating: 0

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

 Cooper Adventurer H/T CUV - UTQG: 600AB - Tire Rating: 0

520 - Treadwear

 Achilles Desert Hawk H/T - UTQG: 520AB - Tire Rating: 4.47

500 - Treadwear

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

 Hankook Dynapro HP RA23 - UTQG: 500AA - Tire Rating: 4.17

 Kumho Solus KL21 - UTQG: 500AA - Tire Rating: 4.52

480 - Treadwear

 Nankang SP-5 - UTQG: 480AA - Tire Rating: 4

 Continental CrossContact LX Sport - UTQG: 480AA - Tire Rating: 0

440 - Treadwear

 Toyo Versado CUV - UTQG: 440AA - Tire Rating: 0

 Michelin Latitude Tour HP - UTQG: 440AA - Tire Rating: 4.3

 Kumho Crugen Premium KL33 - UTQG: 440AA - Tire Rating: 0

420 - Treadwear

 Marshal Matrac STX KL12 - UTQG: 420AA - Tire Rating: 4.66

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

 Maxxis HP-600 - UTQG: 420AA - Tire Rating: 4.38

 Nexen Roadian 571 - UTQG: 420AA - Tire Rating: 3.37

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

 Maxxis MA-Z4S Victra - UTQG: 420AAA - Tire Rating: 4.11

400 - Treadwear

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

 Kumho Radial 798 - UTQG: 400AA - Tire Rating: 4.58

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

360 - Treadwear

 Maxxis MA-S2 Marauder II - UTQG: 360AA - Tire Rating: 4.08

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

 Falken Ziex ZE-912 - UTQG: 360AA - Tire Rating: 4.02

340 - Treadwear

 Goodyear Wrangler SUV - UTQG: 340AB - Tire Rating: 5

320 - Treadwear

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

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

300 - Treadwear

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

280 - Treadwear

 Aeolus AU01 - UTQG: 280AAA - Tire Rating: 3.81

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

240 - Treadwear

 Accelera IOTA - UTQG: 240AAA - Tire Rating: 4.25

220 - Treadwear

 Pirelli Pzero Rosso - UTQG: 220AAA - Tire Rating: 4.36

 Michelin Latitude Sport - UTQG: 220AAA - Tire Rating: 4.88