Kumho Ecsta HS52 vs Westlake Z 107: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the Kumho Ecsta HS52 and Westlake Z 107 appear in 8 tests, 1 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 Kumho Ecsta HS52 performs. It takes the win in wet, dry, noise / comfort, mileage, efficiency. Its overall Tire Lab Score is 89/100, based on 7 tests.
How the Westlake Z 107 performs. It does not lead any single category outright in this matchup. Its overall Tire Lab Score is 74/100, based on 1 test.
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 Kumho Ecsta HS52 is the stronger all-round choice, leading in wet and Tire Lab Score. The Westlake Z 107 making it the right pick if that matters most to you.
Which one should you buy?
Choose Kumho Ecsta HS52 if
- You prioritise wet
- You prioritise dry
- You prioritise noise / comfort
- You prefer the Westlake Z 107's brand, sizing or price
Test profile
| Metric | Kumho Ecsta HS52 | Westlake Z 107 |
|---|---|---|
| Segment | Touring | Touring |
| Type | Summer | Summer |
| Tests used | 7 | 1 |
| Best rank | #1 | #3 |
| Avg rank | 10.2 | 23.2 |
| Latest test | 2026 | 2023 |
| Tire Lab Score | 89.4 | 73.6 |
Tire Lab Score
Kumho Ecsta HS52
Westlake Z 107
Performance overview
Category-by-category results
| Category | Kumho Ecsta HS52 | Westlake Z 107 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 9.9 32 | Avg rank 18.7 | Kumho Ecsta HS52 |
| ☀️Dry | Avg rank 5.6 213 | Avg rank 25.0 | Kumho Ecsta HS52 |
| 🔇Noise / Comfort | Avg rank 13.6 1 | Avg rank 25.7 | Kumho Ecsta HS52 |
| 📏Mileage | Avg rank 9.8 1 | Avg rank 27.5 | Kumho Ecsta HS52 |
| 🔋Efficiency | Avg rank 4.3 12 | Avg rank 18.0 | Kumho Ecsta HS52 |
Tests used in this comparison
Both tires were measured head-to-head in these 1 independent test:
💧 Wet: Kumho Ecsta HS52 vs Westlake Z 107
The Kumho Ecsta HS52 wins this category with an average rank of 9.9, compared to 18.7 for the Westlake Z 107.
☀️ Dry: Kumho Ecsta HS52 vs Westlake Z 107
The Kumho Ecsta HS52 wins this category with an average rank of 5.6, compared to 25.0 for the Westlake Z 107.
🔇 Noise / Comfort: Kumho Ecsta HS52 vs Westlake Z 107
The Kumho Ecsta HS52 wins this category with an average rank of 13.6, compared to 25.7 for the Westlake Z 107.
📏 Mileage: Kumho Ecsta HS52 vs Westlake Z 107
The Kumho Ecsta HS52 wins this category with an average rank of 9.8, compared to 27.5 for the Westlake Z 107.
🔋 Efficiency: Kumho Ecsta HS52 vs Westlake Z 107
The Kumho Ecsta HS52 wins this category with an average rank of 4.3, compared to 18.0 for the Westlake Z 107.
Frequently asked questions
Which is better in the wet, Kumho Ecsta HS52 or Westlake Z 107?
Across independent wet-braking tests, the Kumho Ecsta HS52 ranks higher on average than the Westlake Z 107.
Which has shorter dry braking distance?
The Kumho Ecsta HS52 averages a better dry-braking rank than the Westlake Z 107 across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Kumho Ecsta HS52 ranks better than the Westlake Z 107.
Which tire lasts longer?
Based on wear and abrasion testing, the Kumho Ecsta HS52 shows better mileage performance than the Westlake Z 107.
How many tests were used in this comparison?
Kumho Ecsta HS52 appears in 7 independent tests, Westlake Z 107 in 1, with 1 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 →