78
/ 100
Objective (60%)
73/100
2 professional tests
User signal (40%)
78/100
15 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Kumho Winter Craft WP51 vs Toyo Observe GSi-6 HP — 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
Toyo
Toyo Observe GSi-6 HP
78
/ 100
Objective (60%)
70/100
1 professional test
User signal (40%)
82/100
14 owner reviews
Prices change daily — check the retailer for your size.
VerdictToo close to call: Kumho Winter Craft WP51 and Toyo Observe GSi-6 HP are within 2 points overall. Kumho Winter Craft WP51 is stronger on treadwear. Toyo Observe GSi-6 HP is stronger on handling and snow.
Read full
TireWheelGuide may earn a commission from purchases made via links on this page.
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)
Observe GSi-6 HP leads by 2
Why this score
| Source | Winter Craft WP51 | Observe GSi-6 HP |
|---|---|---|
| Professional tests (TWG score) | 94 | 88 |
| Tyre Reviews owners | 77 | 89 |
| Dry Braking (% of best) | 100% | 97% |
Wet
Score (0–100)
Observe GSi-6 HP leads by 2
Why this score
| Source | Winter Craft WP51 | Observe GSi-6 HP |
|---|---|---|
| Professional tests (TWG score) | 74 | 68 |
| Tyre Reviews owners | 74 | 88 |
| Wet Braking (% of best) | 100% | 81% |
| Wet Handling (% of best) | 90% | 98% |
Snow
Score (0–100)
Observe GSi-6 HP leads by 7
Why this score
| Source | Winter Craft WP51 | Observe GSi-6 HP |
|---|---|---|
| Professional tests (TWG score) | 68 | 81 |
| Tyre Reviews owners | 90 | 88 |
| Snow Braking (% of best) | 91% | 99% |
| Snow Handling (% of best) | 97% | 93% |
Comfort
Score (0–100)
Observe GSi-6 HP leads by 1
Why this score
| Source | Winter Craft WP51 | Observe GSi-6 HP |
|---|---|---|
| Tyre Reviews owners | 84 | 85 |
Noise
Score (0–100)
Why this score
| Source | Winter Craft WP51 | Observe GSi-6 HP |
|---|---|---|
| Professional tests (TWG score) | 100 | – |
Treadwear
Score (0–100)
Winter Craft WP51 leads by 14
Why this score
| Source | Winter Craft WP51 | Observe GSi-6 HP |
|---|---|---|
| Tyre Reviews owners | 79 | 65 |
Handling
Score (0–100)
Observe GSi-6 HP leads by 11
Why this score
| Source | Winter Craft WP51 | Observe GSi-6 HP |
|---|---|---|
| Tyre Reviews owners | 71 | 82 |
Scores at a glance
| Category | Kumho Winter Craft WP51 | Toyo Observe GSi-6 HP |
|---|---|---|
| Relative Score | 78 | 78 |
| Dry | 87 | 89 |
| Wet | 74 | 76 |
| Snow | 77 | 84 |
| Comfort | 84 | 85 |
| Noise | 100 | – |
| Treadwear | 79 | 65 |
| Handling | 71 | 82 |
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
NoneLessNeutralMoreMost
Important
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Important
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Recomputed
Headline score
78
/ 100
Tire A
78
/ 100
Tire B
Only categories both tires have data for count toward the headline score.
Test data
The professional test results behind the scores
Each result is shown as % of the best tire in that test. “Same test” rows are the strictest comparison: both tires were measured side by side.
| Discipline | Category | Tire A | Tire B | Δ | Both? |
|---|---|---|---|---|---|
| Dry Braking | Dry | 100% #11/11 · 2018 AMS Winter Tyre Test | 97% #5/20 · 2020 Nordic and Studded Winter Tyre Test | +2.7 | Different tests |
| Overall Ranking | Overall | 6% #16/16 · 2021 ADAC 15 Inch Winter Tyre Test | 8% #12/20 · 2025 Studded, Friction and European Winter Tyre Test | -2.1 | Different tests |
| Snow Braking | Snow | 91% #3/11 · 2018 AMS Winter Tyre Test | 99% #8/20 · 2020 Nordic and Studded Winter Tyre Test | -7.9 | Different tests |
| Snow Handling | Snow | 97% #5/11 · 2018 AMS Winter Tyre Test | 93% #12/20 · 2020 Nordic and Studded Winter Tyre Test | +4.3 | Different tests |
| Wet Braking | Wet | 100% #11/11 · 2018 AMS Winter Tyre Test | 81% #7/20 · 2020 Nordic and Studded Winter Tyre Test | +18.9 | Different tests |
| Wet Handling | Wet | 90% #11/11 · 2018 AMS Winter Tyre Test | 98% #8/20 · 2020 Nordic and Studded Winter Tyre Test | -8.3 | Different tests |
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Kumho Winter Craft WP51 is widely regarded as a high-value winter tire that excels in deep snow and icy conditions, often outperforming more expensive competitors in severe weather. While users consistently praise its winter traction and affordability, some report compromises in dry-road handling, wet-weather braking, and increased cabin noise.
Pros
- Exceptional traction and reliability in deep snow and slush
- High price-to-performance ratio compared to premium brands
- Solid durability and tread life for the price point
- Effective performance on icy surfaces
Cons
- Noticeable increase in road noise
- Mediocre wet-weather braking and traction
- Lack of steering feedback and stability on dry pavement
- Potential for tread block squirm during steering inputs
Observations
- Drivers of smaller, lighter vehicles (e.g., Yaris, Mazda 3) report high satisfaction with snow climbing capabilities.
- Owners of heavier or higher-performance vehicles (e.g., Audi A4/A6, Mercedes E220D) noted concerns regarding wet-weather traction and handling precision.
- Some users observed a 15-20% increase in fuel consumption, likely due to the tire's aggressive winter tread compound.
The Toyo Observe GSI 6 HP is widely regarded as a high-performance winter tire that excels in wet, slushy, and snowy conditions while maintaining impressive dry-road handling. Users frequently praise its quiet operation and exceptional lateral stability, though experiences regarding tread longevity are polarized, with some reporting high mileage and others noting premature wear.
Pros
- Exceptional traction and stability in snow and slush
- Impressive wet-weather performance and hydroplaning resistance
- Remarkably quiet ride quality for a winter tire
- Predictable handling and feedback on icy surfaces
- Strong dry-pavement performance suitable for performance-oriented vehicles
Cons
- Inconsistent tread life reports, with some users experiencing premature wear
- Occasional reports of structural failure or tread separation
- Slightly vague steering feel at lower speeds
- Can be noisier than some competitors depending on the vehicle and speed rating
Observations
- EV owners noted that the tire handles high-torque acceleration well, though heavy electric vehicles may experience accelerated tread wear.
- Drivers of performance sedans and coupes appreciate the tire's stiff sidewall and handling characteristics, though some report it is firmer than alternative winter options.
Specifications
Specs side by side
| Attribute | A · Kumho Winter Craft WP51 | B · Toyo Observe GSi-6 HP |
|---|---|---|
| Category | Winter Premium Touring tires | — |
| Vehicle type | Passenger Car / Crossover | — |
Final verdict
Which one should you actually buy?
78
/ 100
Kumho
78
/ 100
Toyo
Too close to call: Kumho Winter Craft WP51 and Toyo Observe GSi-6 HP are within 2 points overall. Kumho Winter Craft WP51 is stronger on treadwear. Toyo Observe GSi-6 HP is stronger on handling and snow.
Pick tire A
You want the longest tread life
Kumho Winter Craft WP51 scores 79 vs 65 on treadwear.
Pick tire B
You enjoy sharp, responsive handling
Toyo Observe GSi-6 HP scores 82 vs 71 on handling.
Pick tire B
You drive through snowy winters
Toyo Observe GSi-6 HP scores 84 vs 77 on snow.
Tire A · Kumho Winter Craft WP51
Tire B · Toyo Observe GSi-6 HP
More comparisons
Also compared with
Kumho Winter Craft WP51 also compared with
Toyo Observe GSi-6 HP 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.