Falken Azenis FK510 vs Kumho Ecsta PS91: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the Falken Azenis FK510 and Kumho Ecsta PS91 appear in 38 tests, 2 of which put both tires on the same track on the same day. Head-to-head results carry the most weight here, because surface, weather and test car all change between events and make raw numbers from different tests hard to compare directly.
How the Falken Azenis FK510 performs. It takes the win in wet, mileage. Its overall Tire Lab Score is 91/100, based on 32 tests.
How the Kumho Ecsta PS91 performs. It takes the win in dry, noise / comfort, efficiency. Its overall Tire Lab Score is 86/100, based on 6 tests.
What this means for you. Category wins matter more than the overall score when your driving is weighted toward one condition — a wet-climate commuter should follow the wet braking column, while a high-mileage driver should follow wear and rolling resistance. Also check that both tires are actually offered in your size and load rating: performance can shift between sizes, and availability differs between the European and North American markets.
Verdict
The Falken Azenis FK510 is the stronger all-round choice, leading in wet and Tire Lab Score. The Kumho Ecsta PS91 still wins on dry, making it the right pick if that matters most to you.
Which one should you buy?
Choose Falken Azenis FK510 if
- You prioritise wet
- You prioritise mileage
- You prioritise dry
- You prioritise noise / comfort
- You prioritise efficiency
Test profile
| Metric | Falken Azenis FK510 | Kumho Ecsta PS91 |
|---|---|---|
| Segment | UHP | UHP |
| Type | Summer | Summer |
| Tests used | 32 | 6 |
| Best rank | #1 | #1 |
| Avg rank | 6.1 | 5.8 |
| Latest test | 2025 | 2023 |
| Tire Lab Score | 91.1 | 85.5 |
Tire Lab Score
Falken Azenis FK510
Kumho Ecsta PS91
Performance overview
Category-by-category results
| Category | Falken Azenis FK510 | Kumho Ecsta PS91 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 4.7 51216 | Avg rank 5.8 21 | Falken Azenis FK510 |
| ☀️Dry | Avg rank 7.2 43 | Avg rank 6.2 2 | Kumho Ecsta PS91 |
| 🔇Noise / Comfort | Avg rank 5.9 225 | Avg rank 5.6 111 | Kumho Ecsta PS91 |
| 📏Mileage | Avg rank 7.3 2 | No data | Falken Azenis FK510 |
| 🔋Efficiency | Avg rank 4.3 145 | Avg rank 2.7 11 | Kumho Ecsta PS91 |
Tests used in this comparison
Both tires were measured head-to-head in these 2 independent tests:
💧 Wet: Falken Azenis FK510 vs Kumho Ecsta PS91
The Falken Azenis FK510 wins this category with an average rank of 4.7, compared to 5.8 for the Kumho Ecsta PS91.
☀️ Dry: Falken Azenis FK510 vs Kumho Ecsta PS91
The Kumho Ecsta PS91 wins this category with an average rank of 6.2, compared to 7.2 for the Falken Azenis FK510.
🔇 Noise / Comfort: Falken Azenis FK510 vs Kumho Ecsta PS91
The Kumho Ecsta PS91 wins this category with an average rank of 5.6, compared to 5.9 for the Falken Azenis FK510.
📏 Mileage: Falken Azenis FK510 vs Kumho Ecsta PS91
The Falken Azenis FK510 wins this category with an average rank of 7.3, compared to no data for the Kumho Ecsta PS91.
🔋 Efficiency: Falken Azenis FK510 vs Kumho Ecsta PS91
The Kumho Ecsta PS91 wins this category with an average rank of 2.7, compared to 4.3 for the Falken Azenis FK510.
Frequently asked questions
Which is better in the wet, Falken Azenis FK510 or Kumho Ecsta PS91?
Across independent wet-braking tests, the Falken Azenis FK510 ranks higher on average than the Kumho Ecsta PS91.
Which has shorter dry braking distance?
The Kumho Ecsta PS91 averages a better dry-braking rank than the Falken Azenis FK510 across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Kumho Ecsta PS91 ranks better than the Falken Azenis FK510.
Which tire lasts longer?
Based on wear and abrasion testing, the Falken Azenis FK510 shows better mileage performance than the Kumho Ecsta PS91.
How many tests were used in this comparison?
Falken Azenis FK510 appears in 32 independent tests, Kumho Ecsta PS91 in 6, with 2 head-to-head tests where both were measured.
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Data aggregated from independent testing organizations including ADAC, Auto Bild, TCS, and Auto Motor und Sport. Read our methodology →