Tyre comparison
Bridgestone Potenza Sport vs Kumho Ecsta PS91
The Potenza Sport scores higher for every kind of driver we tested. Choose the Potenza Sport for wet grip, tread life and quiet & comfort. The Ecsta PS91 usually costs less.
Fit score by driver
The same 0–100 score the calculator ranks tyres by, weighted for each kind of driver. How we score
| Driver | Potenza Sport | Ecsta PS91 |
|---|---|---|
| Daily driving, wet winters | 76 (higher) | 50 |
| Spirited roads, warm climate | 74 (higher) | 56 |
| Longest life and lowest cost | 70 (higher) | 50 |
Trait by trait
Out of 10, against other max performance tyres.
Potenza Sport
Where the scores come from
Independent tests
- Tested by
- Tyre Reviews
- Year
- 2025
TyreReviews 2025: best wet handling 99.3 s, best curved aquaplaning 16.87 m/s2.
Data last reviewed: October 2026
Ecsta PS91
Where the scores come from
Estimated: no independent test of this tyre found
Older gen; no current test read; kept near average.
Data last reviewed: October 2026
Questions
Which is better, the Potenza Sport or the Ecsta PS91?
The Potenza Sport scores higher for every kind of driver we tested. Choose the Potenza Sport for wet grip, tread life and quiet & comfort. The Ecsta PS91 usually costs less.
Where do these ratings come from?
From independent tyre tests where they exist (ADAC, Auto Bild, Tyre Reviews, evo, Tire Rack and others), rated 1 to 10 against other tyres in the same category, last reviewed October 2026. Neither tyre maker nor any retailer can change them.