National tires
5 National lines carry a US treadwear grade. Their median is 500, against 420 for the market — so they last longer than most.
Wet grip runs A — one grade below the top. Drivers have filed 1087 complaints on the sizes these fit, and 6 ended in a death.
Every graded line
Longest-lasting first.
| Line | Treadwear | Wet grip | Heat |
|---|---|---|---|
| Wild Spirit HTS-C | 500 | A | A |
| Wild Spirit Radial ATS | 500 | A | B |
| Wild Spirit Sport HXT | 500 | A | B |
| Velozza ZXV4 | 420 | A | A |
| Trail Guide AP | 400 | A | B |