Which tire has the highest Treadwear (UTQG) in size 235/55R18

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 235/55R18?

800 - Treadwear

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

740 - Treadwear

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

700 - Treadwear

 Continental PureContact - UTQG: 700AA - Tire Rating: 0

640 - Treadwear

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

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

620 - Treadwear

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

600 - Treadwear

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

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

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

560 - Treadwear

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

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

540 - Treadwear

 Continental ControlContactSport A/S - UTQG: 540AA - Tire Rating: 0

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

520 - Treadwear

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

500 - Treadwear

 Yokohama Geolandar H/T-S G051 - UTQG: 500AB - Tire Rating: 4.3

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

480 - Treadwear

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

440 - Treadwear

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

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

420 - Treadwear

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

 Nankang SP-7 - UTQG: 420AAA - Tire Rating: 4.31

 Atturo AZ800 - UTQG: 420AA - Tire Rating: 4.38

 Toyo Proxes ST - UTQG: 420AA - Tire Rating: 4.58

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

 Nitto NT420S All-Season Tire - UTQG: 420AA - Tire Rating: 0

400 - Treadwear

 Toyo Versado LX 2 - UTQG: 400AA - Tire Rating: 4.5

 Continental ContiProContact - UTQG: 400AAA - Tire Rating: 4.23

380 - Treadwear

 Hankook Optimo H426 - UTQG: 380AA - Tire Rating: 3.92

320 - Treadwear

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

300 - Treadwear

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

240 - Treadwear

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

180 - Treadwear

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