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 September 2026
Dunlop Grandtrek ST30 vs Kumho Crugen HT51 — Compared (September 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
Kumho
Kumho Crugen HT51
81
/ 100
Objective (60%)
76/100
1 professional test
User signal (40%)
71/100
3 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Kumho Crugen HT51 — better noise, snow and wet. It leads or ties in every category we score.
Read full
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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)
Crugen HT51 leads by 3
Why this score
| Source | Grandtrek ST30 | Crugen HT51 |
|---|---|---|
| Professional tests (TWG score) | – | 88 |
| Tire Rack owners | 78 | 89 |
| Tyre Reviews owners | 84 | 80 |
| SimpleTire owners | 72 | 97 |
Wet
Score (0–100)
Crugen HT51 leads by 16
Why this score
| Source | Grandtrek ST30 | Crugen HT51 |
|---|---|---|
| Professional tests (TWG score) | – | 92 |
| Tire Rack owners | 77 | 81 |
| Tyre Reviews owners | 71 | 80 |
| SimpleTire owners | 72 | 94 |
Snow
Score (0–100)
Crugen HT51 leads by 17
Why this score
| Source | Grandtrek ST30 | Crugen HT51 |
|---|---|---|
| Professional tests (TWG score) | – | 91 |
| Tire Rack owners | 87 | 91 |
| Tyre Reviews owners | 60 | 60 |
| SimpleTire owners | 60 | 92 |
Comfort
Score (0–100)
Crugen HT51 leads by 12
Why this score
| Source | Grandtrek ST30 | Crugen HT51 |
|---|---|---|
| Professional tests (TWG score) | – | 94 |
| Tire Rack owners | 70 | 83 |
| Tyre Reviews owners | 71 | 67 |
| SimpleTire owners | 72 | 95 |
Noise
Score (0–100)
Crugen HT51 leads by 19
Why this score
| Source | Grandtrek ST30 | Crugen HT51 |
|---|---|---|
| Professional tests (TWG score) | – | 87 |
| SimpleTire owners | 68 | 94 |
Treadwear
Score (0–100)
Crugen HT51 leads by 5
Why this score
| Source | Grandtrek ST30 | Crugen HT51 |
|---|---|---|
| Tire Rack owners | 76 | 87 |
| Tyre Reviews owners | 70 | 73 |
| SimpleTire owners | 60 | 95 |
Handling
Score (0–100)
Crugen HT51 leads by 9
Why this score
| Source | Grandtrek ST30 | Crugen HT51 |
|---|---|---|
| Tyre Reviews owners | 68 | 77 |
Scores at a glance
| Category | Dunlop Grandtrek ST30 | Kumho Crugen HT51 |
|---|---|---|
| Relative Score | 70 | 81 |
| Dry | 82 | 85 |
| Wet | 71 | 87 |
| Snow | 61 | 78 |
| Comfort | 71 | 83 |
| Noise | 68 | 87 |
| Treadwear | 68 | 73 |
| Handling | 68 | 77 |
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
81
/ 100
Tire B
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 Kumho Crugen H/T51 is widely regarded as a high-value, versatile highway tire that offers impressive wet and dry traction comparable to premium competitors. While users appreciate its fuel efficiency and handling characteristics, long-term ownership experiences are polarized by reports of uneven tread wear and significant noise degradation over time.
Pros
- Excellent wet and dry weather traction
- High value-to-performance ratio compared to premium brands
- Positive impact on fuel economy
- Quiet highway performance during early stages of ownership
Cons
- Significant increase in road noise as the tire ages
- Premature or uneven shoulder wear
- Limited capability in deep mud or severe winter conditions
- Noise levels becoming intrusive between 45-55 mph
Observations
- Users operating heavy-duty trucks like the Ram 1500 report stable handling and good wet-weather confidence.
- Owners of SUVs like the 4Runner note that while the tire performs well for highway and light off-road use, it is susceptible to shoulder wear patterns.
Specifications
Specs side by side
| Attribute | A · Dunlop Grandtrek ST30 | B · Kumho Crugen HT51 |
|---|---|---|
| Category | All Season Premium Touring tires | — |
| Vehicle type | SUV and 4x4 | — |
| Sizes available | 2 | 44 |
| Rim diameters | 17″ – 18″ | 15″ – 22″ |
| Tread depth | 10/32″ | 12.5/32″ |
| UTQG | 360 A A | 720 A A |
| Treadwear warranty | — | 70,000 mi |
| Sidewall | Blackwall | Blackwall |
| Max pressure | 51 psi | 50 psi |
Final verdict
Which one should you actually buy?
70
/ 100
Dunlop
81
/ 100
Kumho
Winner: Kumho Crugen HT51 — better noise, snow and wet. It leads or ties in every category we score.
Pick tire B
You want a quieter cabin
Kumho Crugen HT51 scores 87 vs 68 on noise.
Pick tire B
You drive through snowy winters
Kumho Crugen HT51 scores 78 vs 61 on snow.
Pick tire B
Your priority is wet-weather safety
Kumho Crugen HT51 scores 87 vs 71 on wet.
Pick tire B
You want the most comfortable ride
Kumho Crugen HT51 scores 83 vs 71 on comfort.
Tire A · Dunlop Grandtrek ST30
Tire B · Kumho Crugen HT51
More comparisons
Also compared with
Dunlop Grandtrek ST30 also compared with
Kumho Crugen HT51 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.