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Head-to-head Updated May 2026

Bridgestone Ecopia H/L 422 Plus 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.

VS
Tire B Dunlop

Dunlop Grandtrek ST1

All Season Premium Touring tires

Dunlop Grandtrek ST1 tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
69/100
2 owner reviews
Dry
80
Wet
85
Snow
–
Comfort
60
Noise
–
Treadwear
55
Handling
70
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Prices change daily — check the retailer for your size.

VerdictWinner: Dunlop Grandtrek ST1 — better wet, dry and treadwear. Pick the Bridgestone Ecopia H/L 422 Plus if comfort and handling matter 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) Grandtrek ST1 leads by 6
A
74
B
80
Why this score
SourceEcopia H/L 422 PlusGrandtrek ST1
Tire Rack owners 84 –
Tyre Reviews owners – 80
SimpleTire owners 88 –

Wet

Weight: Important
Score (0–100) Grandtrek ST1 leads by 24
A
61
B
85
Why this score
SourceEcopia H/L 422 PlusGrandtrek ST1
Tire Rack owners 75 –
Tyre Reviews owners – 85
SimpleTire owners 75 –

Snow

Weight: Neutral
Score (0–100)
A
31
B
–
Why this score
SourceEcopia H/L 422 PlusGrandtrek ST1
Tire Rack owners 50 –
SimpleTire owners 60 –

Comfort

Weight: Neutral
Score (0–100) Ecopia H/L 422 Plus leads by 11
A
71
B
60
Why this score
SourceEcopia H/L 422 PlusGrandtrek ST1
Tire Rack owners 76 –
Tyre Reviews owners – 60
SimpleTire owners 77 –

Noise

Weight: Neutral
Score (0–100)
A
69
B
–
Why this score
SourceEcopia H/L 422 PlusGrandtrek ST1
SimpleTire owners 70 –

Treadwear

Weight: Important
Score (0–100) Grandtrek ST1 leads by 6
A
49
B
55
Why this score
SourceEcopia H/L 422 PlusGrandtrek ST1
Tire Rack owners 66 –
Tyre Reviews owners – 55
SimpleTire owners 73 –

Handling

Weight: Neutral
Score (0–100) Ecopia H/L 422 Plus leads by 3
A
73
B
70
Why this score
SourceEcopia H/L 422 PlusGrandtrek ST1
Tyre Reviews owners – 70

Scores at a glance

CategoryBridgestone Ecopia H/L 422 PlusDunlop Grandtrek ST1
Relative Score 63 70
Dry 74 80
Wet 61 85
Snow 31 –
Comfort 71 60
Noise 69 –
Treadwear 49 55
Handling 73 70

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
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Important
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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 Ecopia H/L 422 Plus

Not enough owner reviews yet to extract themes.

Tire B Dunlop Grandtrek ST1

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.
Specifications

Specs side by side

Attribute A · Bridgestone Ecopia H/L 422 Plus B · Dunlop Grandtrek ST1
Category—All Season Premium Touring tires
Vehicle type—SUV and 4x4
Sizes available19—
Rim diameters15″ – 20″—
Tread depth9/32″—
UTQG600 A A—
SidewallBlackwall—
Max pressure51 psi—
Final verdict

Which one should you actually buy?

Bridgestone

Dunlop

Winner: Dunlop Grandtrek ST1 — better wet, dry and treadwear. Pick the Bridgestone Ecopia H/L 422 Plus if comfort and handling matter most to you.

Pick tire B Your priority is wet-weather safety

Dunlop Grandtrek ST1 scores 85 vs 61 on wet.

Pick tire A You want the most comfortable ride

Bridgestone Ecopia H/L 422 Plus scores 71 vs 60 on comfort.

Pick tire B You want the most grip on dry roads

Dunlop Grandtrek ST1 scores 80 vs 74 on dry.

Pick tire B You want the longest tread life

Dunlop Grandtrek ST1 scores 55 vs 49 on treadwear.

Tire A · Bridgestone Ecopia H/L 422 Plus
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Tire B · Dunlop Grandtrek ST1
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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.