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.
Head-to-head
Updated September 2026
Kumho Ecsta PS31 vs Michelin Pilot Sport 4 — 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
89
/ 100
Objective (60%)
92/100
17 professional tests
User signal (40%)
92/100
2,273 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Michelin Pilot Sport 4 — better handling, wet and treadwear. Pick the Kumho Ecsta PS31 if noise matters most to you.
Read full
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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)
Pilot Sport 4 leads by 6
Why this score
| Source | Ecsta PS31 | Pilot Sport 4 |
|---|---|---|
| Professional tests (TWG score) | – | 89 |
| Tire Rack owners | 85 | 93 |
| Tyre Reviews owners | 83 | 90 |
| SimpleTire owners | 93 | – |
Wet
Score (0–100)
Pilot Sport 4 leads by 8
Why this score
| Source | Ecsta PS31 | Pilot Sport 4 |
|---|---|---|
| Professional tests (TWG score) | – | 87 |
| Tire Rack owners | 81 | 87 |
| Tyre Reviews owners | 78 | 87 |
| SimpleTire owners | 87 | – |
Snow
Score (0–100)
Why this score
| Source | Ecsta PS31 | Pilot Sport 4 |
|---|---|---|
| SimpleTire owners | 79 | – |
Comfort
Score (0–100)
Pilot Sport 4 leads by 4
Why this score
| Source | Ecsta PS31 | Pilot Sport 4 |
|---|---|---|
| Professional tests (TWG score) | – | 83 |
| Tire Rack owners | 84 | 83 |
| Tyre Reviews owners | 78 | 78 |
| SimpleTire owners | 89 | – |
Noise
Score (0–100)
Ecsta PS31 leads by 8
Why this score
| Source | Ecsta PS31 | Pilot Sport 4 |
|---|---|---|
| Professional tests (TWG score) | – | 74 |
| SimpleTire owners | 89 | – |
Treadwear
Score (0–100)
Pilot Sport 4 leads by 7
Why this score
| Source | Ecsta PS31 | Pilot Sport 4 |
|---|---|---|
| Tire Rack owners | 82 | 67 |
| Tyre Reviews owners | 75 | 74 |
| SimpleTire owners | 88 | – |
Handling
Score (0–100)
Pilot Sport 4 leads by 15
Why this score
| Source | Ecsta PS31 | Pilot Sport 4 |
|---|---|---|
| Tyre Reviews owners | 79 | 84 |
| DriverReviews owners | – | 90 |
Scores at a glance
| Category | Kumho Ecsta PS31 | Michelin Pilot Sport 4 |
|---|---|---|
| Relative Score | 83 | 89 |
| Dry | 86 | 92 |
| Wet | 81 | 89 |
| Snow | 79 | – |
| Comfort | 83 | 87 |
| Noise | 89 | 81 |
| Treadwear | 81 | 88 |
| Handling | 79 | 94 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
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Recomputed
Headline score
83
/ 100
Tire A
89
/ 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 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 Michelin Pilot Sport 4 is widely regarded as a premier high-performance summer tire, praised for its exceptional wet-weather traction and balanced daily-driving characteristics. While many users report a significant improvement in ride quality and noise levels compared to OEM run-flats or older performance tires, some enthusiasts note a softer sidewall that can feel less precise or 'darty' during aggressive cornering compared to dedicated track-focused rubber.
Pros
- Class-leading wet weather grip and hydroplaning resistance
- Excellent balance of comfort and road noise reduction for a performance tire
- Predictable and progressive handling characteristics
- Strong dry-weather traction and braking performance
- Significant upgrade over OEM run-flat tires in terms of ride quality
Cons
- Softer sidewalls can lead to a less 'sharp' or 'darty' steering feel
- Tread wear can be rapid, particularly with spirited driving or on high-torque vehicles
- Performance can drop off noticeably as tread depth decreases
- Higher price point compared to many competitors
- Some reports of increased road noise as the tire ages
Observations
- Tesla and EV owners frequently report a measurable decrease in range due to higher rolling resistance compared to OEM 'eco' tires.
- Users with heavy, high-torque vehicles (e.g., tuned sedans, performance wagons) often praise the tire's ability to put power down, though this comes at the cost of faster rear-tire wear.
- Drivers switching from run-flat tires on luxury vehicles (BMW, Audi, Mercedes) consistently report a transformative improvement in ride comfort and cabin noise.
Community buzz
What real owners are saying
From Reddit, forums and review threads. Not part of our score
Tire A
Kumho Ecsta PS31
We haven't collected enough community discussion about this tire yet.
Tire B
Positive
Michelin Pilot Sport 4
The Michelin Pilot Sport 4 (and its variants) is widely praised by the community as a massive upgrade over stock run-flats and budget tires, offering exceptional dry and wet grip, precise steering feel, and improved ride comfort. While users frequently note trade-offs in tread life due to the softer rubber compound, and higher pricing, it remains a top-tier recommendation for spirited street driving and performance cars.
r/BMW
·26 upvotes ·2024-09-23
“Surprised by Michelin Pilot Sport 4 tires - 2024 M440i Hey, BMW community. A year ago, I was lucky enough to order a 2024 M440i GC Xdrive. Spent hours driving different BMW's, tweaking my order sheet before my allocation was filled. Got the adaptive suspension, with 19's on Pirelli run-flats. After a few months, my San Remo GC was delivered. GREAT car. Now with ~17k miles, it was time for a routine service. And, apparently, new rear tires. Decided to just replace them all at the dealer. Went with what they recommended; Michelin Pilot Sport 4 (Star marked). What an upgrade! Steering feel, precision, comfort AND quiet. Anyone on the fence about the Pilot Sport 4 - highly recommended. Read more”
r/BoltEV
·5 upvotes ·2026-04-29
“Michelin Pilot Sport 4 tires are noisy (a followup) I have been asked on this sub if the PS4 tires on my wife’s Bolt are noisy, and I wasn’t sure how to answer. Well, we made two 60-mile round trips this past weekend, mostly on highways with 55 and 70 mph speed limits, and I have to say that the tires are kind of noisy. Certainly not as quiet as EV-oriented tires are. The grip is fantastic, so we really like them. If you are sensitive to noise, though, these Max Performance class tires are probably not for you.”
r/ft86
·3 upvotes ·2022-01-09
“I just installed A/S PS4 from Michelin on my BRZ recently & man they are so nice. How quiet it is, is wow, night and day. They handle quite nice except when it's still cold (sub 40F) on highway, traction control triggers but it may bc I'm lowered and yet to do my alignment. I don't know compared to stock, I was on Falken prior. I am using different tire set-up then stock however. I have 245/35 at the front and 265/35 in rear. My only regret is not going up to 40 on the sidewall for more meat. This is on 18" wheels.”
r/tires
·2 upvotes ·2026-07-28
“Those are Pilot sport 4 (all season). If it had s after the 4 it would be the summer high performance version. I put the pilot sport 4 on wife's GTI autobahn 2016. Great handling tire, stiff side walls, not the smoothest ride but best overall.”
Top themes
#grip and handling performance#ride quality and comfort#tread wear and lifespan#wet weather capability#comparison to runflats#noise levels#temperature limits and cold weather
Based on 117 community posts
Specifications
Specs side by side
| Attribute | A · Kumho Ecsta PS31 | B · Michelin Pilot Sport 4 |
|---|---|---|
| Category | Summer Ultra High Performance tires | Summer Max 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?
83
/ 100
Kumho
89
/ 100
Michelin
Winner: Michelin Pilot Sport 4 — better handling, wet and treadwear. Pick the Kumho Ecsta PS31 if noise matters most to you.
Pick tire B
You enjoy sharp, responsive handling
Michelin Pilot Sport 4 scores 94 vs 79 on handling.
Pick tire A
You want a quieter cabin
Kumho Ecsta PS31 scores 89 vs 81 on noise.
Pick tire B
Your priority is wet-weather safety
Michelin Pilot Sport 4 scores 89 vs 81 on wet.
Pick tire B
You want the longest tread life
Michelin Pilot Sport 4 scores 88 vs 81 on treadwear.
Tire A · Kumho Ecsta PS31
Tire B · Michelin Pilot Sport 4
More comparisons
Also compared with
Kumho Ecsta PS31 also compared with
Michelin Pilot Sport 4 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.