| Model | P Zero PZ4 Run Flat | Potenza RE050A Run Flat |
| Tread pattern photos |  |
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| Price range | Check on Amazon Check on DiscountTire | Check on Amazon Check on DiscountTire |
| Brand | Pirelli | Bridgestone |
| Car type | ||
| Category | Summer Max Performance tires | |
| Tires scores compare | ||
| Overall | 51%  | 49.6% |
| Overall Dry | 90% | 58.3% |
| Corner Stability | 88% | 49% |
| Dry Traction | 93% | 71% |
| Steering Response | 89% | 55% |
| Overall Wet | 80% | 54% |
| Hydroplaning resistance | 81% | No data |
| Wet Traction | 80% | 54% |
| Overall Comfort | 73% | 32% |
| Ride Comfort | 75% | No data |
| Overall Noise | 71% | No data |
| Wear (tread life) | 56% | 56% |
| Buy again | No data | 30% |
| Price range | Check on Amazon Check on DiscountTire | Check on Amazon Check on DiscountTire |