Sport IV tires: UTQG grades
Rated lines21
Median treadwear420
Highest treadwear620
Every Sport IV tire line in NHTSA's Uniform Tire Quality Grading data, sorted by highest treadwear grade.
| Tire line | Treadwear | Traction | Temp. | Entries |
|---|---|---|---|---|
| PREMIUM PLUS II (T RATED) | 620 | A | B | 1 |
| CASCADE | 520 | A | B | 1 |
| SLT Trail Climber | 500 | A | B | 1 |
| SN3606 | 500 | A | B | 1 |
| TRIAL CLIMBER ALL TERRAIN | 460 | A | B | 1 |
| GT Radial Trac | 440 | A | B | 1 |
| FIRENZA ST-06 (H, V, W rated) | 420 | A | A | 1 |
| FIRENZA ST-06 (T rated) | 420 | A | B | 1 |
| PREMIUM PLUS II (H RATED) | 420 | A | A | 1 |
| SN3800 | 420 | A | A | 1 |
| SN3820 | 420 | A | A | 1 |
| SN3870 | 420 | A | A | 1 |
| SN3890 | 420 | A | A | 1 |
| SN3980 | 420 | A | A | 1 |
| FIRENZA ST-01A | 360 | A | A | 1 |
| MEGA TORQUE I | 360 | A | A | 1 |
| PREMIUM PLUS II (V RATED) | 360 | A | A | 1 |
| MEGA TORQUE II | 280 | A | A | 1 |
| SN3630 | 280 | A | A | 1 |
| SN3970 | 280 | A | A | 1 |
| MEGA METRIC II | 260 | B | B | 1 |