Prices change daily — check the retailer for your size.
Bridgestone Potenza RE040 vs Kumho Ecsta PA31 — 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.
Prices change daily — check the retailer for your size.
TireWheelGuide may earn a commission from purchases made via links on this page.
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 | Potenza RE040 | Ecsta PA31 |
|---|---|---|
| Tire Rack owners | – | 80 |
| Tyre Reviews owners | 79 | 73 |
| SimpleTire owners | – | 96 |
Wet
Why this score
| Source | Potenza RE040 | Ecsta PA31 |
|---|---|---|
| Tire Rack owners | – | 79 |
| Tyre Reviews owners | 58 | 63 |
| SimpleTire owners | – | 95 |
Snow
Why this score
| Source | Potenza RE040 | Ecsta PA31 |
|---|---|---|
| Tire Rack owners | – | 65 |
| SimpleTire owners | – | 82 |
Comfort
Why this score
| Source | Potenza RE040 | Ecsta PA31 |
|---|---|---|
| Tire Rack owners | – | 76 |
| Tyre Reviews owners | 57 | 63 |
| SimpleTire owners | – | 92 |
Noise
Why this score
| Source | Potenza RE040 | Ecsta PA31 |
|---|---|---|
| SimpleTire owners | – | 92 |
Treadwear
Why this score
| Source | Potenza RE040 | Ecsta PA31 |
|---|---|---|
| Tire Rack owners | – | 68 |
| Tyre Reviews owners | 65 | 50 |
| SimpleTire owners | – | 93 |
Handling
Why this score
| Source | Potenza RE040 | Ecsta PA31 |
|---|---|---|
| Tyre Reviews owners | 70 | 60 |
Scores at a glance
| Category | Bridgestone Potenza RE040 | Kumho Ecsta PA31 |
|---|---|---|
| Relative Score | 65 | 84 |
| Dry | 79 | 92 |
| Wet | 58 | 90 |
| Snow | – | 79 |
| Comfort | 57 | 88 |
| Noise | – | 91 |
| Treadwear | 65 | 86 |
| Handling | 70 | 60 |
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
Only categories both tires have data for count toward the headline score.
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Bridgestone Potenza RE040 is a polarizing, performance-oriented tire that excels in dry, warm conditions but struggles significantly with road noise and wet-weather confidence. While many drivers appreciate the stiff sidewalls for their precise steering feedback and progressive handling, the consensus is that the tire is outdated, with modern alternatives offering superior comfort and all-weather capability.
Pros
- Excellent dry weather grip and handling
- High level of steering feedback and directness
- Progressive and predictable breakaway characteristics
- Stiff sidewalls provide a sporty, responsive feel
Cons
- Excessive and intrusive road noise
- Poor performance and lack of confidence in wet or cold conditions
- Harsh ride quality due to stiff construction
- Inconsistent tread life depending on vehicle and driving style
Observations
- Owners of performance-oriented vehicles like the Nissan 350z and Mazda RX-8 often praise the tire's dry-weather feedback but note its limitations on track or in the rain.
- Drivers of front-wheel-drive hatchbacks (e.g., Honda Civic Type R) frequently report significant understeer and rapid front-tire wear.
- Users with quieter, luxury-oriented vehicles (e.g., Audi A8, Mazda 6) report that the tire's high noise levels significantly detract from the overall driving experience.
The Kumho Ecsta PA31 is widely regarded as a high-value, budget-friendly tire that delivers impressive dry and wet weather handling for daily driving. While most users praise its stability and comfort, some report issues with temporary flat-spotting after the vehicle has been parked for extended periods.
Pros
- Excellent price-to-performance ratio
- Strong wet and dry traction
- Responsive handling and cornering stability
- Comfortable and quiet ride quality
Cons
- Tendency to develop temporary flat spots after sitting
- Occasional reports of sidewall durability issues
- Not intended for high-performance track use
Observations
- Users reported successful application on diverse platforms ranging from vintage compacts like the Corolla FX16 to larger sedans like the BMW 528i.
- The tire was noted as a viable, cost-effective option for the rear fitment of heavy motorcycles like the Honda Gold Wing GL1800.
Specs side by side
| Attribute | A · Bridgestone Potenza RE040 | B · Kumho Ecsta PA31 |
|---|---|---|
| Category | Summer Ultra High Performance tires | All Season Ultra High Performance tires |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
| Sizes available | — | 7 |
| Rim diameters | — | 15″ – 18″ |
| Tread depth | — | 11/32″ |
| UTQG | — | 500 A A |
| Treadwear warranty | — | 50,000 mi |
| Sidewall | — | Blackwall |
| Max pressure | — | 50 psi |
Which one should you actually buy?
Bridgestone
Kumho
Winner: Kumho Ecsta PA31 — better wet, comfort and treadwear. Pick the Bridgestone Potenza RE040 if handling matters most to you.
Kumho Ecsta PA31 scores 90 vs 58 on wet.
Kumho Ecsta PA31 scores 88 vs 57 on comfort.
Kumho Ecsta PA31 scores 86 vs 65 on treadwear.
Kumho Ecsta PA31 scores 92 vs 79 on dry.
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.