Tests 72 · 3 tests Owners – · none yet
Best test result: #1 of 15 in 2026 AvD Winter Tyre Test (dry braking)
Head-to-head
Updated
Toyo Observe EWS1 vs Kumho WinterCraft WP52 plus — Compared
Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews (comfort 40/60). Based on 3 + 5 road tests and 0 + 6 owner reviews. How we score
WinterCraft WP52 plus is ahead, 79–72
Add your size for an exact match
/R
Both Amazon links then search this exact size.
TireWheelGuide may earn a commission from purchases made through these links.
Tests 78 · 5 tests Owners 81 · 6 reviews
Best test result: #1 of 20 in 2026 Auto Bild Winter Tyre Test (dry braking)
Category by category
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
-
81
Dry
WinterCraft WP52 plus +182Why this score
Source Observe EWS1 WinterCraft WP52 plus Professional tests (TWG score) · 2 / 4 tests 85 82 Reviews found online ≈ 75 (est.) 83 Dry Braking (% of best) · 1 shared test · wins 1–0 100% 99% Observe EWS1: 60% × 84.6 + 40% × 74.8 (est.) = 81
WinterCraft WP52 plus: 60% × 81.7 + 40% × 83.2 = 82
No owner ratings of dry for Observe EWS1. The owner half is estimated from its road-test score, as far as owners and testers agree (correlation 0.41).
-
89
Wet
Observe EWS1 +188Why this score
Source Observe EWS1 WinterCraft WP52 plus Professional tests (TWG score) · 3 / 5 tests 93 89 Reviews found online ≈ 83 (est.) 86 Wet Braking (% of best) · 1 shared test · wins 1–0 98% 96% Observe EWS1: 60% × 92.9 + 40% × 82.8 (est.) = 89
WinterCraft WP52 plus: 60% × 89.5 + 40% × 86.4 = 88
No owner ratings of wet for Observe EWS1. The owner half is estimated from its road-test score, as far as owners and testers agree (correlation 0.55).
-
50
Snow
WinterCraft WP52 plus +2676Why this score
Source Observe EWS1 WinterCraft WP52 plus Professional tests (TWG score) · 3 / 5 tests 43 75 Reviews found online ≈ 62 (est.) 79 Snow Braking (% of best) · 1 shared test · wins 0–1 90% 96% Observe EWS1: 60% × 42.6 + 40% × 61.6 (est.) = 50
WinterCraft WP52 plus: 60% × 74.7 + 40% × 78.9 = 76
No owner ratings of snow for Observe EWS1. The owner half is estimated from its road-test score, as far as owners and testers agree (correlation 0.32).
-
–
Comfort
No comparison77Why this score
Source Observe EWS1 WinterCraft WP52 plus Professional tests (TWG score) · – / 2 tests – 74 Reviews found online – 79 WinterCraft WP52 plus: 40% × 73.6 + 60% × 79 = 77
-
57
Noise
WinterCraft WP52 plus +562Why this score
Source Observe EWS1 WinterCraft WP52 plus Professional tests (TWG score) · 1 / 3 tests 52 59 Reviews found online ≈ 66 (est.) ≈ 66 (est.) Observe EWS1: 60% × 51.5 + 40% × 66.5 (est.) = 57
WinterCraft WP52 plus: 60% × 58.9 + 40% × 66.5 (est.) = 62
No owner ratings of noise for Observe EWS1 or WinterCraft WP52 plus. The owner half is the owners’ average (66): owners’ noise ratings barely follow the road tests, so the tests say nothing about how owners would rate it.
-
72
Treadwear
WinterCraft WP52 plus +274Why this score
Source Observe EWS1 WinterCraft WP52 plus Professional tests (TWG score) · 2 / 4 tests 74 74 Reviews found online ≈ 69 (est.) 75 Wear (% of best) · 1 shared test · wins 0–1 70% 71% Observe EWS1: 60% × 74.3 + 40% × 69.3 (est.) = 72
WinterCraft WP52 plus: 60% × 73.5 + 40% × 75.4 = 74
No owner ratings of treadwear for Observe EWS1. The owner half is estimated from its road-test score, as far as owners and testers agree (correlation 0.36).
-
–
Handling (owners)
No comparison83Why this score
Source Observe EWS1 WinterCraft WP52 plus Reviews found online – 83 -
49
Efficiency
WinterCraft WP52 plus +1564Why this score
Source Observe EWS1 WinterCraft WP52 plus Professional tests (TWG score) · 2 / 4 tests 49 64 Rolling Resistance (% of best) · 1 shared test · wins 1–0 82% 81%
Scores at a glance
| Category | Toyo Observe EWS1 | Kumho WinterCraft WP52 plus |
|---|---|---|
| Relative Score | 72 | 79 |
| Dry | 81 | 82 |
| Wet | 89 | 88 |
| Snow | 50 | 76 |
| Comfort | – | 77 |
| Noise | 57 | 62 |
| Treadwear | 72 | 74 |
| Handling (owners) | – | 83 |
| Efficiency | 49 | 64 |
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.
Important
NotLessNeutralImportantMost
Important
NotLessNeutralImportantMost
Important
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.
Less important
NotLessNeutralImportantMost
Important
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.
Not important
NotLessNeutralImportantMost
Recomputed
Headline score
72
/ 100
Observe EWS1
79
/ 100
WinterCraft WP52 plus
Only categories both tires have data for count toward the headline score.
The professional test results behind the scores
Per discipline: the average % of the best tire over every test both tires were in, and how many of those tests each one won. “Different tests” rows compare results from separate tests.
In the overall rankings of 1 tests that ran both, Toyo Observe EWS1 finished ahead 0 times and Kumho WinterCraft WP52 plus 1 times.
| Discipline | Category | Observe EWS1 | WinterCraft WP52 plus | Δ | Head-to-head |
|---|---|---|---|---|---|
| Dry Braking | Dry | 100% | 99% | +0.7 | 1–0 in 1 shared test Newest: 2026 AvD Winter Tyre Test · 225/45 R17 |
| Curved Aquaplaning | Wet | 94% #4/16 · 2026 ADAC Winter Tyre Test - 225/50 R17 | 86% #13/20 · 2026 Auto Bild Winter Tyre Test | – | Different tests |
| Straight Aquaplaning | Wet | 95% #3/16 · 2026 ADAC Winter Tyre Test - 225/50 R17 | 95% #18/20 · 2026 Auto Bild Winter Tyre Test | – | Different tests |
| Wet Braking | Wet | 98% | 96% | +1.5 | 1–0 in 1 shared test Newest: 2026 AvD Winter Tyre Test · 225/45 R17 |
| Wet Braking (concrete) | Wet | 96% #5/16 · 2026 ADAC Winter Tyre Test - 225/50 R17 | 95% #2/16 · 2026 ADAC Winter Tyre Test - 185/65 R15 | – | Different tests |
| Ice Braking | Snow | 94% #5/16 · 2026 ADAC Winter Tyre Test - 225/50 R17 | 90% #11/16 · 2026 ADAC Winter Tyre Test - 185/65 R15 | – | Different tests |
| Snow Braking | Snow | 90% | 96% | −5.3 | 0–1 in 1 shared test Newest: 2026 AvD Winter Tyre Test · 225/45 R17 |
| Snow Traction | Snow | 84% #15/16 · 2026 ADAC Winter Tyre Test - 225/50 R17 | 96% #12/20 · 2026 Auto Bild Winter Tyre Test | – | Different tests |
| Noise | Noise | 95% #14/16 · 2026 ADAC Winter Tyre Test - 225/50 R17 | 98% #15/20 · 2026 Auto Bild Winter Tyre Test | – | Different tests |
| Abrasion | Treadwear | 76% #5/16 · 2026 ADAC Winter Tyre Test - 225/50 R17 | 66% #11/16 · 2026 ADAC Winter Tyre Test - 185/65 R15 | – | Different tests |
| Wear | Treadwear | 70% | 71% | −1.0 | 0–1 in 1 shared test Newest: 2026 AvD Winter Tyre Test · 225/45 R17 |
| Fuel Consumption | Efficiency | 91% #15/16 · 2026 ADAC Winter Tyre Test - 225/50 R17 | 95% #14/16 · 2026 ADAC Winter Tyre Test - 185/65 R15 | – | Different tests |
| Rolling Resistance | Efficiency | 82% | 81% | +1.3 | 1–0 in 1 shared test Newest: 2026 AvD Winter Tyre Test · 225/45 R17 |
| Also published by the testers (not in the score) | |||||
| Value | Cost | 86% | 85% | +1.1 | 1–0 in 1 shared test Newest: 2026 AvD Winter Tyre Test · 225/45 R17 |
| Overall Ranking | Overall | #12/15 | #6/15 | – | 0–1 in 1 shared test Newest: 2026 AvD Winter Tyre Test · 225/45 R17 |
Pros, cons & observations
Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.
Tire A Observe EWS1
Not enough owner reviews yet to extract themes.
Tire B WinterCraft WP52 plus
Pros
- Exceptional wet and dry grip performance rivaling premium tier competitors
- High level of ride comfort and compliance compared to factory run-flats
- Remarkably low road noise, often quieter than summer tires
Cons
- Not recommended for extreme winter conditions where alternative budget brands like Barum might be better suited
- Slightly less brand prestige compared to tier-one European or Japanese manufacturers
Specs side by side
| Attribute | A · Toyo Observe EWS1 | B · Kumho WinterCraft WP52 plus |
|---|---|---|
| Category | Winter | Winter |
| Vehicle type | Passenger Car / Crossover | — |
| Sizes available | 72 | — |
| Rim diameters | 15″ – 21″ | — |
Which one should you actually buy?
72
/ 100
Toyo Observe EWS1
79
/ 100
Kumho WinterCraft WP52 plus
Winner: Kumho WinterCraft WP52 plus — better snow, efficiency and noise. Where the Toyo Observe EWS1 is ahead, it is by less than 3 points.
Pick tire B
You drive through snowy winters
Kumho WinterCraft WP52 plus scores 76 vs 50 on snow.
Pick tire B
You want lower fuel or energy use
Kumho WinterCraft WP52 plus scores 64 vs 49 on efficiency.
Pick tire B
You want a quieter cabin
Kumho WinterCraft WP52 plus scores 62 vs 57 on noise.
Tire A · Toyo Observe EWS1
Tire B · Kumho WinterCraft WP52 plus
TireWheelGuide may earn a commission from purchases made through these links.
Observe EWS1 or WinterCraft WP52 plus?
Which is better in the wet, Observe EWS1 or WinterCraft WP52 plus?
Neither, by our numbers: 89 vs 88 on the wet score, within 3 points.
Which grips better on dry roads, Observe EWS1 or WinterCraft WP52 plus?
Neither, by our numbers: 81 vs 82 on the dry score, within 3 points.
Which is better in snow, Observe EWS1 or WinterCraft WP52 plus?
Kumho WinterCraft WP52 plus, 76 vs 50 on our snow score.
Which is quieter, Observe EWS1 or WinterCraft WP52 plus?
Kumho WinterCraft WP52 plus, 62 vs 57 on our noise score.
Which lasts longer, Observe EWS1 or WinterCraft WP52 plus?
Neither, by our numbers: 72 vs 74 on the treadwear score, within 3 points.
Which rolls more easily, Observe EWS1 or WinterCraft WP52 plus?
Kumho WinterCraft WP52 plus, 64 vs 49 on our efficiency score.
How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements), each result compared with every other tire in the same test and newer tests counting more. 40% comes from owner reviews found online, adjusted for how generously each site rates. Both use one scale: the average tested tire gets 70, the best 100. When a tire has only one of the two, the missing half is estimated from the other and the score stays closer to average; with no road test and fewer than five owner reviews it gets no score yet.
Handling is the exception: road tests measure it inside the dry and wet scores, so its own row comes from owner ratings only and starts as less important.
Community buzz from Reddit and forums is shown for context only — it never changes the score. Full methodology