Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.
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Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
| Source | HTR Z III | Proxes 4 |
|---|---|---|
| Tyre Reviews owners | 87 | 80 |
| SimpleTire owners | 95 | – |
| Source | HTR Z III | Proxes 4 |
|---|---|---|
| Tyre Reviews owners | 80 | 63 |
| SimpleTire owners | 82 | – |
| Source | HTR Z III | Proxes 4 |
|---|---|---|
| SimpleTire owners | 52 | – |
| Source | HTR Z III | Proxes 4 |
|---|---|---|
| Tyre Reviews owners | 86 | 74 |
| SimpleTire owners | 91 | – |
| Source | HTR Z III | Proxes 4 |
|---|---|---|
| SimpleTire owners | 87 | – |
| Source | HTR Z III | Proxes 4 |
|---|---|---|
| Tyre Reviews owners | 82 | 77 |
| SimpleTire owners | 82 | – |
| Source | HTR Z III | Proxes 4 |
|---|---|---|
| Tyre Reviews owners | 80 | 66 |
| Category | Sumitomo HTR Z III | Toyo Proxes 4 |
|---|---|---|
| Relative Score | 81 | 75 |
| Dry | 92 | 84 |
| Wet | 81 | 68 |
| Snow | 52 | 66 |
| Comfort | 89 | 80 |
| Noise | 87 | 85 |
| Treadwear | 82 | 80 |
| Handling | 80 | 66 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Tire A
Tire B
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Sumitomo H/TR Z III is widely regarded as a high-value performance tire that offers a compelling balance of dry grip, comfort, and affordability. While it is frequently praised as a cost-effective alternative to premium brands for daily driving and spirited street use, some users note limitations in extreme wet-weather cornering and high-horsepower traction.
The Toyo Proxes 4 is widely regarded as a budget-friendly, high-performance all-season tire that excels in dry conditions, offering impressive grip and a quiet, comfortable ride. However, user consensus is sharply divided regarding its wet-weather performance, with many drivers reporting a significant lack of confidence and traction in rain, while others find it adequate for daily driving.
| Attribute | A · Sumitomo HTR Z III | B · Toyo Proxes 4 |
|---|---|---|
| Category | — | Summer High Performance tires |
| Vehicle type | — | Passenger Car / Crossover |
| Tread depth | 10/32″ | — |
| UTQG | 300 A A | — |
| Sidewall | Blackwall | — |
| Max pressure | 50 psi | — |
Sumitomo
Toyo
Winner: Sumitomo HTR Z III — better handling, wet and comfort. Pick the Toyo Proxes 4 if snow matters most to you.
Sumitomo HTR Z III scores 80 vs 66 on handling.
Toyo Proxes 4 scores 66 vs 52 on snow.
Sumitomo HTR Z III scores 81 vs 68 on wet.
Sumitomo HTR Z III scores 89 vs 80 on comfort.
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.
Community buzz from Reddit and forums is shown for context only — it never changes the score.
