Tests 70 · 13 tests Owners 79 · 19 reviews
Best test result: #1 of 20 in 2025 Studded, Friction and European Winter Tyre Test (subj. comfort)
Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews (comfort 40/60). Based on 13 + 0 road tests and 19 + 31 owner reviews. How we score
X Ice Snow leads, 74–71 Narrow edge
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Tests 70 · 13 tests Owners 79 · 19 reviews
Best test result: #1 of 20 in 2025 Studded, Friction and European Winter Tyre Test (subj. comfort)
Tests – · none yet Owners 72 · 31 reviews
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
| Source | X Ice Snow | Sottozero Serie II |
|---|---|---|
| Professional tests (TWG score) · 11 / – tests | 65 | ≈ 70 (est.) |
| Reviews found online | 72 | 72 |
X Ice Snow: 60% × 65.3 + 40% × 72.2 = 68
Sottozero Serie II: 60% × 69.9 (est.) + 40% × 72.3 = 71
No road tests of dry for Sottozero Serie II. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.42).
| Source | X Ice Snow | Sottozero Serie II |
|---|---|---|
| Professional tests (TWG score) · 12 / – tests | 64 | ≈ 76 (est.) |
| Reviews found online | 81 | 79 |
X Ice Snow: 60% × 64.2 + 40% × 80.6 = 71
Sottozero Serie II: 60% × 75.5 (est.) + 40% × 79.4 = 77
No road tests of wet for Sottozero Serie II. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).
| Source | X Ice Snow | Sottozero Serie II |
|---|---|---|
| Professional tests (TWG score) · 12 / – tests | 73 | ≈ 68 (est.) |
| Reviews found online | 82 | 64 |
X Ice Snow: 60% × 73.3 + 40% × 81.8 = 77
Sottozero Serie II: 60% × 68.1 (est.) + 40% × 63.6 = 66
No road tests of snow for Sottozero Serie II. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.37).
| Source | X Ice Snow | Sottozero Serie II |
|---|---|---|
| Professional tests (TWG score) · 3 / – tests | 82 | ≈ 70 (est.) |
| Reviews found online | 80 | 75 |
X Ice Snow: 40% × 82.3 + 60% × 80 = 81
Sottozero Serie II: 40% × 70.2 (est.) + 60% × 74.7 = 73
No road tests of comfort for Sottozero Serie II. The test half is the tested tires’ average (69): owners’ comfort ratings barely follow the road tests.
| Source | X Ice Snow | Sottozero Serie II |
|---|---|---|
| Professional tests (TWG score) · 8 / – tests | 81 | – |
| Reviews found online | ≈ 67 (est.) | – |
X Ice Snow: 60% × 81.2 + 40% × 66.6 (est.) = 75
No owner ratings of noise for X Ice Snow. The owner half is the owners’ average (67): owners’ noise ratings barely follow the road tests, so the tests say nothing about how owners would rate it.
| Source | X Ice Snow | Sottozero Serie II |
|---|---|---|
| Professional tests (TWG score) | ≈ 72 (est.) | ≈ 68 (est.) |
| Reviews found online | 83 | 71 |
X Ice Snow: 60% × 72.1 (est.) + 40% × 83.2 = 77
Sottozero Serie II: 60% × 68 (est.) + 40% × 71.4 = 69
No road tests of treadwear for X Ice Snow. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.35).
No road tests of treadwear for Sottozero Serie II. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.35).
| Source | X Ice Snow | Sottozero Serie II |
|---|---|---|
| Reviews found online | 76 | 75 |
| Source | X Ice Snow | Sottozero Serie II |
|---|---|---|
| Professional tests (TWG score) · 6 / – tests | 77 | – |
| Category | Michelin X Ice Snow | Pirelli Sottozero Serie II |
|---|---|---|
| Relative Score | 74 | 71 |
| Dry | 68 | 71 |
| Wet | 71 | 77 |
| Snow | 77 | 66 |
| Comfort | 81 | 73 |
| Noise | 75 | – |
| Treadwear | 77 | 69 |
| Handling (owners) | 76 | 75 |
| Efficiency | 77 | – |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Wet grip starts at “Important”. Treadwear starts at “Neutral” here: road tests measured it for at most one of the two tires, so it rests on owner reviews. Move the sliders and the scores update instantly.
Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.
Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.
X Ice Snow
Sottozero Serie II
Only categories both tires have data for count toward the headline score.
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.
| Discipline | Category | X Ice Snow | Sottozero Serie II | Δ | Head-to-head |
|---|---|---|---|---|---|
| Also published by the testers (not in the score) | |||||
| Overall Ranking | Overall | #7/10 2026 Tire Rack All-Weather vs Winter Tyre Test | #2/9 2012 Auto Bild Performance Winter Tyre Test | – | Different tests |
Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.
| Attribute | A · Michelin X Ice Snow | B · Pirelli Sottozero Serie II |
|---|---|---|
| Category | Winter | Winter |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
| Sizes available | 100 | — |
| Rim diameters | 13″ – 21″ | — |
Michelin X Ice Snow
Pirelli Sottozero Serie II
Narrow edge: Michelin X Ice Snow — better snow, comfort and treadwear. Pick the Pirelli Sottozero Serie II if wet and dry matter most to you.
Michelin X Ice Snow scores 77 vs 66 on snow.
Michelin X Ice Snow scores 81 vs 73 on comfort.
Michelin X Ice Snow scores 77 vs 69 on treadwear.
Pirelli Sottozero Serie II scores 77 vs 71 on wet.
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Pirelli Sottozero Serie II, 77 vs 71 on our wet score.
Pirelli Sottozero Serie II, 71 vs 68 on our dry score.
Michelin X Ice Snow, 77 vs 66 on our snow score.
Michelin X Ice Snow, 81 vs 73 on our comfort score.
Michelin X Ice Snow, 77 vs 69 on our treadwear score.
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