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Bridgestone Ecopia EP300 vs Dunlop Grandtrek ST1 — 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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5 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 | Ecopia EP300 | Grandtrek ST1 |
|---|---|---|
| Tyre Reviews owners | 83 | 80 |
Wet
Why this score
| Source | Ecopia EP300 | Grandtrek ST1 |
|---|---|---|
| Tyre Reviews owners | 76 | 85 |
Comfort
Why this score
| Source | Ecopia EP300 | Grandtrek ST1 |
|---|---|---|
| Tyre Reviews owners | 77 | 60 |
Treadwear
Why this score
| Source | Ecopia EP300 | Grandtrek ST1 |
|---|---|---|
| Tyre Reviews owners | 84 | 55 |
Handling
Why this score
| Source | Ecopia EP300 | Grandtrek ST1 |
|---|---|---|
| Tyre Reviews owners | 79 | 70 |
Scores at a glance
| Category | Bridgestone Ecopia EP300 | Dunlop Grandtrek ST1 |
|---|---|---|
| Relative Score | 80 | 70 |
| Dry | 83 | 80 |
| Wet | 76 | 85 |
| Comfort | 77 | 60 |
| Treadwear | 84 | 55 |
| Handling | 79 | 70 |
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 Bridgestone Ecopia EP300 is widely regarded as a durable, comfort-oriented tire that excels in longevity and fuel efficiency. While users consistently praise its smooth ride and high mileage capabilities, performance in wet conditions and steering feedback are noted as adequate but not class-leading.
Pros
- Exceptional tread life and durability
- High levels of ride comfort and low road noise
- Noticeable improvements in fuel economy
- Reliable dry weather handling and braking
Cons
- Wet weather grip can diminish significantly as the tire wears
- Soft sidewalls can result in a 'floaty' or bouncy driving feel
- Not intended for performance-oriented driving or aggressive cornering
- Some users report noise levels that increase over time
Observations
- Lightweight vehicles like the Proton Satria report excellent fuel economy and satisfaction with the tire's price-to-performance ratio.
- Drivers of family sedans note a 'floaty' sensation, likely attributed to the tire's soft sidewall construction designed for rolling resistance efficiency.
The Dunlop Grandtrek ST1 receives mixed feedback, with users initially impressed by its handling characteristics but ultimately disappointed by its longevity. While the tire offers competent traction and lateral stability on both paved and unpaved surfaces, its rapid tread degradation significantly undermines its value proposition.
Pros
- Strong lateral stability during cornering
- Reliable traction on gravel and sand surfaces
- Competent wet weather grip
Cons
- Extremely poor tread life
- Premature wear occurring in under 10,000 miles
- High cost-per-mile due to lack of durability
Observations
- Users operating small SUVs on mixed-terrain, including gravel and country roads, report significantly accelerated wear patterns.
Specs side by side
| Attribute | A · Bridgestone Ecopia EP300 | B · Dunlop Grandtrek ST1 |
|---|---|---|
| Category | Summer Premium Touring tires | All Season Premium Touring tires |
| Vehicle type | Passenger Car / Crossover | SUV and 4x4 |
Which one should you actually buy?
Bridgestone
Dunlop
Winner: Bridgestone Ecopia EP300 — better treadwear, comfort and handling. Pick the Dunlop Grandtrek ST1 if wet matters most to you.
Bridgestone Ecopia EP300 scores 84 vs 55 on treadwear.
Bridgestone Ecopia EP300 scores 77 vs 60 on comfort.
Bridgestone Ecopia EP300 scores 79 vs 70 on handling.
Dunlop Grandtrek ST1 scores 85 vs 76 on wet.
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.