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Kumho Ecsta PS31 vs Nexen N Fera SU4 — Compared (May 2026)
Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.
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7 categories, side by side
Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
Dry
Why this score
| Source | Ecsta PS31 | N Fera SU4 |
|---|---|---|
| Tire Rack owners | 85 | – |
| Tyre Reviews owners | 83 | 91 |
| SimpleTire owners | 93 | – |
Wet
Why this score
| Source | Ecsta PS31 | N Fera SU4 |
|---|---|---|
| Tire Rack owners | 81 | – |
| Tyre Reviews owners | 78 | 87 |
| SimpleTire owners | 87 | – |
Snow
Why this score
| Source | Ecsta PS31 | N Fera SU4 |
|---|---|---|
| SimpleTire owners | 79 | – |
Comfort
Why this score
| Source | Ecsta PS31 | N Fera SU4 |
|---|---|---|
| Tire Rack owners | 84 | – |
| Tyre Reviews owners | 78 | 87 |
| SimpleTire owners | 89 | – |
Noise
Why this score
| Source | Ecsta PS31 | N Fera SU4 |
|---|---|---|
| SimpleTire owners | 89 | – |
Treadwear
Why this score
| Source | Ecsta PS31 | N Fera SU4 |
|---|---|---|
| Tire Rack owners | 82 | – |
| Tyre Reviews owners | 75 | 81 |
| SimpleTire owners | 88 | – |
Handling
Why this score
| Source | Ecsta PS31 | N Fera SU4 |
|---|---|---|
| Tyre Reviews owners | 79 | 80 |
Scores at a glance
| Category | Kumho Ecsta PS31 | Nexen N Fera SU4 |
|---|---|---|
| Relative Score | 82 | 85 |
| Dry | 86 | 91 |
| Wet | 81 | 87 |
| Snow | 79 | 76 |
| Comfort | 83 | 88 |
| Noise | 89 | 91 |
| Treadwear | 81 | 82 |
| Handling | 79 | 80 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Weight the categories that matter to you
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Tire A
Tire B
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Kumho Ecsta PS31 is widely regarded as a high-value, budget-friendly performance tire that excels in daily driving comfort and quietness. While it offers impressive dry grip and reliable wet weather performance for most drivers, enthusiasts often note that its soft sidewalls result in less steering precision and reduced feedback during aggressive cornering compared to premium ultra-high-performance alternatives.
Pros
- Excellent price-to-performance ratio
- High levels of ride comfort and low road noise
- Strong dry traction for daily and spirited street driving
- Predictable and capable wet weather performance for most conditions
Cons
- Soft sidewalls lead to vague steering response and 'squirm' during aggressive maneuvers
- Inconsistent wet weather performance reported by some users, particularly in deep standing water
- Tread life can be shorter than expected for some driving styles
- Increased noise levels as the tire wears down
Observations
- Users with smaller, lighter vehicles (e.g., Mazda Miata, Honda Civic) often praise the comfort and value, while those with heavier or more powerful vehicles report more pronounced sidewall flex and handling vagueness.
- Drivers running low-profile sizes on rough roads report a higher susceptibility to sidewall bubbles and damage from potholes, suggesting a need for road hazard coverage.
- The tire is frequently noted as a significant upgrade in comfort and noise reduction when replacing OEM run-flat tires.
The Nexen N Fera SU4 is widely regarded as a high-value, budget-friendly summer tire that punches well above its price point. Users consistently praise its impressive wet and dry traction, low noise levels, and superior ride comfort compared to more expensive premium brands. While it is not a dedicated track tire, it serves as an excellent daily driver option for those seeking a balance of performance and economy.
Pros
- Exceptional value for money compared to premium competitors
- Strong, predictable grip in both wet and dry conditions
- High levels of ride comfort and low road noise
- Good longevity for daily commuting and highway driving
Cons
- Soft sidewalls can lead to a lack of precision during aggressive cornering
- Performance significantly degrades in near-freezing or snowy conditions
- Occasional reports of sidewall bulges or premature wear under heavy use
- Not suitable for high-performance track applications
Observations
- Drivers of heavy vehicles or hot hatches noted that the soft sidewalls can cause a 'rolling' sensation during spirited cornering.
- Users on luxury sedans (e.g., Lexus, Audi) frequently highlighted the tire's ability to significantly reduce road noise and improve ride quality over stock premium tires.
- Some owners of high-torque vehicles reported faster tread wear on the front axle compared to lighter, standard passenger cars.
Specs side by side
| Attribute | A · Kumho Ecsta PS31 | B · Nexen N Fera SU4 |
|---|---|---|
| Category | Summer Ultra High Performance tires | Summer Ultra High Performance tires |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
| Sizes available | 4 | — |
| Rim diameters | 17″ – 18″ | — |
| Tread depth | 10/32″ | — |
| UTQG | 460 A A | — |
| Sidewall | Blackwall | — |
| Max pressure | 51 psi | — |
Which one should you actually buy?
Kumho
Nexen
Winner: Nexen N Fera SU4 — better wet, dry and comfort. Pick the Kumho Ecsta PS31 if snow matters most to you.
Nexen N Fera SU4 scores 87 vs 81 on wet.
Nexen N Fera SU4 scores 91 vs 86 on dry.
Nexen N Fera SU4 scores 88 vs 83 on comfort.
Kumho Ecsta PS31 scores 79 vs 76 on snow.
How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.
Community buzz from Reddit and forums is shown for context only — it never changes the score.