Which tire has the highest Treadwear (UTQG) in size 275/40R19

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 275/40R19?

---

560 - Treadwear

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

---

540 - Treadwear

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

---

500 - Treadwear

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

 Cooper Zeon RS3-A - UTQG: 500AAA - Tire Rating: 0

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

---

400 - Treadwear

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

---

340 - Treadwear

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

---

320 - Treadwear

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

---

280 - Treadwear

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

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

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

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

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

---

240 - Treadwear

 Dunlop Sport Maxx RT - UTQG: 240AAA - Tire Rating: 0

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

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

 Dunlop Sp Sport Maxx TT - UTQG: 240AAA - Tire Rating: 4.69

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

---

220 - Treadwear

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

---

200 - Treadwear

 Nankang NS-2 - UTQG: 200AA - Tire Rating: 4.5

---

180 - Treadwear

 Yokohama Advan Sport - UTQG: 180AAA - Tire Rating: 4.23

---