Tire Speed Rating Letters
The rating letter on the tire sidewall indicates the maximum continuous speed the tire is rated to sustain.
| Tire Letter | Speed Rating | |
|---|---|---|
| MPH | KPH | |
| J | 62 | 100 |
| N | 87 | 140 |
| P | 94 | 150 |
| S | 112 | 180 |
| H | 130 | 210 |
| V | 149 | 240 |
| Z | 149+ | 240+ |
| W | 168 | 270 |
| Y | 186 | 299 |