Toyo Proxes R1R

Strong spec profile
Estimated from manufacturer specs (UTQG, warranty, speed rating)
Scouter Analysis
The Toyo Proxes R1R is a compelling choice for drivers who prioritize wet grip in an ultra high performance summer tire. Its wet grip score of 9 is notably above the category average of 7.6, making it a strong performer in rain-soaked conditions. However, it comes with trade-offs. The dry grip score of 8, while solid, doesn’t quite match the category average of 8.7, which could be a concern for those who frequently push their cars to the limit on dry roads. In terms of positioning, the Proxes R1R lacks a treadwear warranty, unlike the Michelin Pilot Sport 4S, which offers a 30k-mile warranty, providing more assurance for longer-term use. Additionally, the R speed rating is lower than the W or Y ratings typically expected in this segment, potentially limiting its appeal for high-speed enthusiasts. For drivers who frequently encounter wet conditions and don't push their vehicles to extreme speeds, the Proxes R1R offers a balanced package. However, those seeking the highest dry grip performance or a more robust warranty might find better options with competitors like the Michelin Pilot Sport 4S or Pirelli P Zero (PZ4).
Spec-based analysis — see our methodology.
Performance Profile
Estimated from manufacturer specs — not measured test data.
Technical Specifications
Where to Buy
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Available Sizes & Specs
| Size | Load Index | Speed Rating | UTQG | Max Load (lbs) | Max PSI | Weight (lbs) |
|---|---|---|---|---|---|---|
| 195/50R15 | 82 | R | 200 AA A | 1,047 | 51 | 19 |
| 195/55R15 | 85 | R | 200 AA A | 1,135 | 51 | 20 |
| 205/45R16 | 83 | ZR | 200 AA A | 1,074 | 51 | 19 |
| 205/50R16 | 87 | R | 200 AA A | 1,201 | 51 | 22 |
| 205/55R16 | 91 | R | 200 AA A | 1,356 | 51 | 22 |
| 215/45R17 | 87 | ZR | 200 AA A | 1,201 | 51 | 21 |
| 225/40R18 | 88 | ZR | 200 AA A | 1,235 | 51 | 24 |
| 225/45R16 | 89 | ZR | 200 AA A | 1,279 | 51 | 23 |
| 225/45R17 | 91 | ZR | 200 AA A | 1,356 | 51 | 23 |
| 225/50R16 | 92 | R | 200 AA A | 1,389 | 51 | 23 |
| 235/40R17 | 90 | ZR | 200 AA A | 1,323 | 51 | 22 |
| 235/45R17 | 94 | ZR | 200 AA A | 1,477 | 51 | 23 |
| 245/40R17 | 91 | ZR | 200 AA A | 1,356 | 51 | 23 |
| 245/40R18 | 93 | ZR | 200 AA A | 1,433 | 51 | 25 |
| 245/45R17 | 95 | ZR | 200 AA A | 1,521 | 51 | 26 |
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