| Model | Ecsta PS91 | Potenza RE040 |
| Tread pattern photos |  |
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| Price range | Check on Amazon Check on DiscountTire | Check on Amazon Check on DiscountTire |
| Brand | Kumho | Bridgestone |
| Car type | Passenger Car / Crossover | Passenger Car / Crossover |
| Category | Summer Extreme Performance tires | Summer Ultra High Performance tires |
| Tires scores compare | ||
| Overall | 68.9%  | 65.3% |
| Overall Dry | 83.5% | 74.3% |
| Corner Stability | 82.5% | 70% |
| Dry Traction | 87% | 79% |
| Steering Response | 82% | 74% |
| Overall Wet | 77% | 58% |
| Hydroplaning resistance | 75% | No data |
| Wet Traction | 77% | 58% |
| Overall Comfort | 75.5% | 57% |
| Ride Comfort | 73% | No data |
| Overall Noise | 77% | No data |
| Wear (tread life) | 59% | 65% |
| Buy again | 72% | 54% |
| Price range | Check on Amazon Check on DiscountTire | Check on Amazon Check on DiscountTire |