70
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
67/100
26 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Dunlop Grandtrek ST30 vs Hankook Optimo H426 — 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
61
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
56/100
9 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Dunlop Grandtrek ST30 — better snow, comfort and treadwear. Pick the Hankook Optimo H426 if wet 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
Score (0–100)
Grandtrek ST30 leads by 2
Why this score
| Source | Grandtrek ST30 | Optimo H426 |
|---|---|---|
| Tire Rack owners | 78 | 67 |
| Tyre Reviews owners | 84 | 81 |
| SimpleTire owners | 72 | – |
Wet
Score (0–100)
Optimo H426 leads by 3
Why this score
| Source | Grandtrek ST30 | Optimo H426 |
|---|---|---|
| Tire Rack owners | 77 | 51 |
| Tyre Reviews owners | 71 | 76 |
| SimpleTire owners | 72 | – |
Snow
Score (0–100)
Grandtrek ST30 leads by 40
Why this score
| Source | Grandtrek ST30 | Optimo H426 |
|---|---|---|
| Tire Rack owners | 87 | 25 |
| Tyre Reviews owners | 60 | 20 |
| SimpleTire owners | 60 | – |
Comfort
Score (0–100)
Grandtrek ST30 leads by 13
Why this score
| Source | Grandtrek ST30 | Optimo H426 |
|---|---|---|
| Tire Rack owners | 70 | 56 |
| Tyre Reviews owners | 71 | 58 |
| SimpleTire owners | 72 | – |
Noise
Score (0–100)
Why this score
| Source | Grandtrek ST30 | Optimo H426 |
|---|---|---|
| SimpleTire owners | 68 | – |
Treadwear
Score (0–100)
Grandtrek ST30 leads by 9
Why this score
| Source | Grandtrek ST30 | Optimo H426 |
|---|---|---|
| Tire Rack owners | 76 | 47 |
| Tyre Reviews owners | 70 | 60 |
| SimpleTire owners | 60 | – |
Handling
Score (0–100)
Grandtrek ST30 leads by 5
Why this score
| Source | Grandtrek ST30 | Optimo H426 |
|---|---|---|
| Tyre Reviews owners | 68 | 63 |
Scores at a glance
| Category | Dunlop Grandtrek ST30 | Hankook Optimo H426 |
|---|---|---|
| Relative Score | 70 | 61 |
| Dry | 82 | 80 |
| Wet | 71 | 74 |
| Snow | 61 | 21 |
| Comfort | 71 | 58 |
| Noise | 68 | – |
| Treadwear | 68 | 59 |
| Handling | 68 | 63 |
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
70
/ 100
Tire A
61
/ 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 Dunlop Grandtrek ST30 receives highly polarized feedback, often serving as polarizing original equipment on popular SUVs like the Honda CR-V and Toyota RAV4. While some users praise its dry-road stability, longevity, and value, a significant portion of owners report dissatisfaction regarding wet-weather confidence, excessive road noise, and inconsistent tread wear.
Pros
- Strong dry-pavement grip and straight-line stability
- Competitive price point and value for money
- High mileage potential for some drivers
- Capable performance on light unpaved or rural roads
Cons
- Poor wet-weather performance and susceptibility to aquaplaning
- High levels of road noise on various surfaces
- Inconsistent tread life, with reports of rapid wear
- Lack of confidence in winter conditions, including snow and ice
Observations
- Users of AWD vehicles like the Honda CR-V and Toyota RAV4 report highly variable experiences, ranging from excellent longevity to premature wear and poor wet-traction handling.
- The tire is frequently criticized for its lack of winter capability, with many owners noting it is unsuitable for anything beyond light, dry conditions.
The Hankook Optimo H426 presents a polarizing experience, often serving as an OEM tire that provides competent dry and wet traction for daily commuting. While some users appreciate its initial comfort and handling capabilities, the consensus is heavily impacted by concerns regarding premature tread wear and inconsistent noise levels over the life of the tire.
Pros
- Reliable grip and handling on dry pavement
- Confident performance in wet weather conditions
- Initial comfort and quietness when new
Cons
- Short tread life and premature wear
- Increased road noise as the tire ages
- High price point relative to performance value
- Uneven wear patterns across front and rear axles
Observations
- Users reported significantly faster wear on front-wheel-drive vehicles, leading to uneven tread depletion compared to rear tires.
- Drivers of compact sedans noted that while the tire offers decent handling, it fails to maintain its initial noise-dampening qualities over time.
Specifications
Specs side by side
| Attribute | A · Dunlop Grandtrek ST30 | B · Hankook Optimo H426 |
|---|---|---|
| Category | All Season Premium Touring tires | All Season Touring tires |
| Vehicle type | SUV and 4x4 | Passenger Car / Crossover |
| Tread depth | 10/32″ | — |
| UTQG | 360 A A | — |
| Sidewall | Blackwall | — |
| Max pressure | 51 psi | — |
Final verdict
Which one should you actually buy?
70
/ 100
Dunlop
61
/ 100
Hankook
Winner: Dunlop Grandtrek ST30 — better snow, comfort and treadwear. Pick the Hankook Optimo H426 if wet matters most to you.
Pick tire A
You drive through snowy winters
Dunlop Grandtrek ST30 scores 61 vs 21 on snow.
Pick tire A
You want the most comfortable ride
Dunlop Grandtrek ST30 scores 71 vs 58 on comfort.
Pick tire A
You want the longest tread life
Dunlop Grandtrek ST30 scores 68 vs 59 on treadwear.
Pick tire A
You enjoy sharp, responsive handling
Dunlop Grandtrek ST30 scores 68 vs 63 on handling.
Tire A · Dunlop Grandtrek ST30
Tire B · Hankook Optimo H426
More comparisons
Also compared with
Dunlop Grandtrek ST30 also compared with
Hankook Optimo H426 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.