75
/ 100
Objective (60%)
72/100
10 professional tests
User signal (40%)
79/100
17 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Cooper Zeon CS8 vs Kumho Ecsta PS31 — Compared (September 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.
VS
83
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
77/100
258 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Kumho Ecsta PS31 — better noise, dry and treadwear. It leads or ties in every category we score.
Read full
TireWheelGuide may earn a commission from purchases made via links on this page.
Category breakdown
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
Score (0–100)
Ecsta PS31 leads by 15
Why this score
| Source | Zeon CS8 | Ecsta PS31 |
|---|---|---|
| Professional tests (TWG score) | 62 | – |
| Tire Rack owners | – | 85 |
| Tyre Reviews owners | 86 | 83 |
| SimpleTire owners | – | 93 |
Wet
Score (0–100)
Ecsta PS31 leads by 4
Why this score
| Source | Zeon CS8 | Ecsta PS31 |
|---|---|---|
| Professional tests (TWG score) | 76 | – |
| Tire Rack owners | – | 81 |
| Tyre Reviews owners | 79 | 78 |
| SimpleTire owners | – | 87 |
Snow
Score (0–100)
Why this score
| Source | Zeon CS8 | Ecsta PS31 |
|---|---|---|
| SimpleTire owners | – | 79 |
Comfort
Score (0–100)
Ecsta PS31 leads by 1
Why this score
| Source | Zeon CS8 | Ecsta PS31 |
|---|---|---|
| Tire Rack owners | – | 84 |
| Tyre Reviews owners | 82 | 78 |
| SimpleTire owners | – | 89 |
Noise
Score (0–100)
Ecsta PS31 leads by 26
Why this score
| Source | Zeon CS8 | Ecsta PS31 |
|---|---|---|
| Professional tests (TWG score) | 63 | – |
| SimpleTire owners | – | 89 |
Treadwear
Score (0–100)
Ecsta PS31 leads by 5
Why this score
| Source | Zeon CS8 | Ecsta PS31 |
|---|---|---|
| Tire Rack owners | – | 82 |
| Tyre Reviews owners | 76 | 75 |
| SimpleTire owners | – | 88 |
Handling
Score (0–100)
Ecsta PS31 leads by 4
Why this score
| Source | Zeon CS8 | Ecsta PS31 |
|---|---|---|
| Tyre Reviews owners | 75 | 79 |
Scores at a glance
| Category | Cooper Zeon CS8 | Kumho Ecsta PS31 |
|---|---|---|
| Relative Score | 75 | 83 |
| Dry | 71 | 86 |
| Wet | 77 | 81 |
| Snow | – | 79 |
| Comfort | 82 | 83 |
| Noise | 63 | 89 |
| Treadwear | 76 | 81 |
| Handling | 75 | 79 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Personalize
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.
Neutral
NoneLessNeutralMoreMost
Important
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Important
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Recomputed
Headline score
75
/ 100
Tire A
83
/ 100
Tire B
Only categories both tires have data for count toward the headline score.
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Cooper Zeon CS8 receives a polarized reception, with many users praising its exceptional wet-weather performance, comfort, and value compared to premium brands. However, a significant subset of users reports premature sidewall perishing and inconsistent tread life, suggesting potential quality control issues or sensitivity to specific driving conditions.
Pros
- Excellent wet-weather grip and braking performance
- High value-for-money proposition compared to premium competitors
- Quiet and comfortable ride quality
- Strong dry-road handling and steering response
Cons
- Reports of premature sidewall perishing and cracking
- Inconsistent tread life with some users experiencing rapid wear
- Increased road noise as the tire reaches the end of its life
- Degradation of wet grip performance over time
Observations
- Users of smaller vehicles like the Mini Cooper reported significant issues with sidewall durability and rapid tread wear.
- Drivers of larger, heavier vehicles like the Ford S-Max noted a marked decline in performance and noise levels after the first 5,000 miles.
- Performance-oriented vehicles like the BMW E46 and Alfa GTV showed mixed results, with some praising the grip while others found the wet-weather handling unpredictable.
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.
Specifications
Specs side by side
| Attribute | A · Cooper Zeon CS8 | B · Kumho Ecsta PS31 |
|---|---|---|
| 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 |
Final verdict
Which one should you actually buy?
75
/ 100
Cooper
83
/ 100
Kumho
Winner: Kumho Ecsta PS31 — better noise, dry and treadwear. It leads or ties in every category we score.
Pick tire B
You want a quieter cabin
Kumho Ecsta PS31 scores 89 vs 63 on noise.
Pick tire B
You want the most grip on dry roads
Kumho Ecsta PS31 scores 86 vs 71 on dry.
Pick tire B
You want the longest tread life
Kumho Ecsta PS31 scores 81 vs 76 on treadwear.
Pick tire B
Your priority is wet-weather safety
Kumho Ecsta PS31 scores 81 vs 77 on wet.
Tire A · Cooper Zeon CS8
Tire B · Kumho Ecsta PS31
More comparisons
Also compared with
Cooper Zeon CS8 also compared with
Kumho Ecsta PS31 also compared with
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.