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Head-to-head Updated May 2026

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.

Tire A Bridgestone

Bridgestone Potenza RE040

Summer Ultra High Performance tires

Bridgestone Potenza RE040 tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
65/100
47 owner reviews
Dry
79
Wet
58
Snow
–
Comfort
57
Noise
–
Treadwear
65
Handling
70

Prices change daily — check the retailer for your size.

VS
Tire B Kumho

Kumho Ecsta PA31

All Season Ultra High Performance tires

Kumho Ecsta PA31 tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
86/100
21 owner reviews
Dry
92
Wet
90
Snow
79
Comfort
88
Noise
91
Treadwear
86
Handling
60

Prices change daily — check the retailer for your size.

VerdictWinner: Kumho Ecsta PA31 — better wet, comfort and treadwear. Pick the Bridgestone Potenza RE040 if handling matters most to you.
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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

Weight: Neutral
Score (0–100) Ecsta PA31 leads by 13
A — Bridgestone Potenza RE040
79
B — Kumho Ecsta PA31
92
Why this score
SourcePotenza RE040Ecsta PA31
Tire Rack owners – 80
Tyre Reviews owners 79 73
SimpleTire owners – 96

Wet

Weight: Important
Score (0–100) Ecsta PA31 leads by 32
A — Bridgestone Potenza RE040
58
B — Kumho Ecsta PA31
90
Why this score
SourcePotenza RE040Ecsta PA31
Tire Rack owners – 79
Tyre Reviews owners 58 63
SimpleTire owners – 95

Snow

Weight: Neutral
Score (0–100)
A — Bridgestone Potenza RE040
–
B — Kumho Ecsta PA31
79
Why this score
SourcePotenza RE040Ecsta PA31
Tire Rack owners – 65
SimpleTire owners – 82

Comfort

Weight: Neutral
Score (0–100) Ecsta PA31 leads by 31
A — Bridgestone Potenza RE040
57
B — Kumho Ecsta PA31
88
Why this score
SourcePotenza RE040Ecsta PA31
Tire Rack owners – 76
Tyre Reviews owners 57 63
SimpleTire owners – 92

Noise

Weight: Neutral
Score (0–100)
A — Bridgestone Potenza RE040
–
B — Kumho Ecsta PA31
91
Why this score
SourcePotenza RE040Ecsta PA31
SimpleTire owners – 92

Treadwear

Weight: Important
Score (0–100) Ecsta PA31 leads by 21
A — Bridgestone Potenza RE040
65
B — Kumho Ecsta PA31
86
Why this score
SourcePotenza RE040Ecsta PA31
Tire Rack owners – 68
Tyre Reviews owners 65 50
SimpleTire owners – 93

Handling

Weight: Neutral
Score (0–100) Potenza RE040 leads by 10
A — Bridgestone Potenza RE040
70
B — Kumho Ecsta PA31
60
Why this score
SourcePotenza RE040Ecsta PA31
Tyre Reviews owners 70 60

Scores at a glance

Bridgestone Potenza RE040 vs Kumho Ecsta PA31: scores by category (0–100)
CategoryBridgestone Potenza RE040Kumho 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.

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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

Tire A

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.

Tire A Bridgestone Potenza RE040

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.
Tire B Kumho Ecsta PA31

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.
Specifications

Specs side by side

Attribute A · Bridgestone Potenza RE040 B · Kumho Ecsta PA31
CategorySummer Ultra High Performance tiresAll Season Ultra High Performance tires
Vehicle typePassenger Car / CrossoverPassenger 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
Final verdict

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.

Pick tire B Your priority is wet-weather safety

Kumho Ecsta PA31 scores 90 vs 58 on wet.

Pick tire B You want the most comfortable ride

Kumho Ecsta PA31 scores 88 vs 57 on comfort.

Pick tire B You want the longest tread life

Kumho Ecsta PA31 scores 86 vs 65 on treadwear.

Pick tire B You want the most grip on dry roads

Kumho Ecsta PA31 scores 92 vs 79 on dry.

Tire A · Bridgestone Potenza RE040
Tire B · Kumho Ecsta PA31

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.