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Head-to-head Updated

Firestone Winterhawk 2 EVO vs Toyo Observe GSi-6 HP — 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 0 + 2 road tests and 10 + 14 owner reviews. How we score

Observe GSi-6 HP is ahead, 71–59

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Toyo Observe GSi-6 HP
Tire BToyo

Observe GSi-6 HP

Winter

± 6

Tests 69 · 2 tests Owners 73 · 14 reviews

Best test result: #5 of 20 in 2020 Nordic and Studded 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.

  1. 58

    Dry

    Observe GSi-6 HP +17
    75
    Why this score
    SourceWinterhawk 2 EVOObserve GSi-6 HP
    Professional tests (TWG score) · – / 1 tests≈ 61 (est.)73
    Reviews found online5277

    Winterhawk 2 EVO: 60% × 61.4 (est.) + 40% × 52.1 = 58

    Observe GSi-6 HP: 60% × 73 + 40% × 76.9 = 75

    No road tests of dry for Winterhawk 2 EVO. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).

  2. 60

    Wet

    Observe GSi-6 HP +15
    75
    Why this score
    SourceWinterhawk 2 EVOObserve GSi-6 HP
    Professional tests (TWG score) · – / 2 tests≈ 63 (est.)71
    Reviews found online5681

    Winterhawk 2 EVO: 60% × 62.6 (est.) + 40% × 55.8 = 60

    Observe GSi-6 HP: 60% × 71.5 + 40% × 80.8 = 75

    No road tests of wet for Winterhawk 2 EVO. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).

  3. 60

    Snow

    Observe GSi-6 HP +6
    66
    Why this score
    SourceWinterhawk 2 EVOObserve GSi-6 HP
    Professional tests (TWG score) · – / 2 tests≈ 65 (est.)60
    Reviews found online5375

    Winterhawk 2 EVO: 60% × 64.9 (est.) + 40% × 52.7 = 60

    Observe GSi-6 HP: 60% × 59.5 + 40% × 74.7 = 66

    No road tests of snow for Winterhawk 2 EVO. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.32).

  4. 57

    Comfort

    Observe GSi-6 HP +18
    75
    Why this score
    SourceWinterhawk 2 EVOObserve GSi-6 HP
    Professional tests (TWG score) · – / 1 tests≈ 65 (est.)77
    Reviews found online5174

    Winterhawk 2 EVO: 40% × 65.1 (est.) + 60% × 51.1 = 57

    Observe GSi-6 HP: 40% × 76.7 + 60% × 73.9 = 75

    No road tests of comfort for Winterhawk 2 EVO. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).

  5. –

    Noise

    No comparison
    70
    Why this score
    SourceWinterhawk 2 EVOObserve GSi-6 HP
    Professional tests (TWG score) · – / 1 tests–72
    Reviews found online–≈ 66 (est.)

    Observe GSi-6 HP: 60% × 71.6 + 40% × 66.4 (est.) = 70

    No owner ratings of noise for Observe GSi-6 HP. 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.

  6. 63

    Treadwear

    Winterhawk 2 EVO +1
    62
    Why this score
    SourceWinterhawk 2 EVOObserve GSi-6 HP
    Professional tests (TWG score)≈ 64 (est.)≈ 64 (est.)
    Reviews found online6059

    Winterhawk 2 EVO: 60% × 64.2 (est.) + 40% × 60.2 = 63

    Observe GSi-6 HP: 60% × 63.6 (est.) + 40% × 58.5 = 62

    No road tests of treadwear for Winterhawk 2 EVO. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).

    No road tests of treadwear for Observe GSi-6 HP. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).

  7. 48

    Handling (owners)

    Observe GSi-6 HP +27
    75
    Why this score
    SourceWinterhawk 2 EVOObserve GSi-6 HP
    Reviews found online4875
  8. –

    Efficiency

    No comparison
    66
    Why this score
    SourceWinterhawk 2 EVOObserve GSi-6 HP
    Professional tests (TWG score) · – / 1 tests–66
Scores at a glance
CategoryFirestone Winterhawk 2 EVOToyo Observe GSi-6 HP
Relative Score 59 71
Dry 58 75
Wet 60 75
Snow 60 66
Comfort 57 75
Noise – 70
Treadwear 63 62
Handling (owners) 48 75
Efficiency – 66

Higher is better. The Relative Score follows your weights below; category scores do not change.

Weight the categories that matter to you

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.

Important
NotLessNeutralImportantMost
Important
NotLessNeutralImportantMost
Important
NotLessNeutralImportantMost
Less 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.

Neutral
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Not important
NotLessNeutralImportantMost

Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.

Recomputed
Headline score
± 8

Winterhawk 2 EVO

± 6

Observe GSi-6 HP

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.

DisciplineCategoryWinterhawk 2 EVOObserve GSi-6 HPΔHead-to-head
Also published by the testers (not in the score)
Overall Ranking Overall #28/48 2014 50 Winter Tyre Braking Overview #12/20 2025 Studded, Friction and European Winter Tyre Test – Different tests

Pros, cons & observations

Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.

Tire A Winterhawk 2 EVO

Pros

  • Excellent tread life and durability
  • Strong performance on snow and icy surfaces
  • High value for the price point

Cons

  • Unpredictable grip on wet and damp roads
  • Tendency for wheel spin during acceleration in wet conditions
  • Inconsistent reports regarding road noise levels
All owner themes in the Winterhawk 2 EVO review

Tire B Observe GSi-6 HP

Pros

  • Exceptional traction and stability in snow and slush
  • Impressive wet-weather performance and hydroplaning resistance
  • Remarkably quiet ride quality for a winter tire

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
All owner themes in the Observe GSi-6 HP review

Specs side by side

Attribute A · Firestone Winterhawk 2 EVO B · Toyo Observe GSi-6 HP
CategoryWinterWinter
Vehicle typePassenger Car / Crossover—
Sizes available339
Rim diameters13″ – 15″16″ – 21″
Tread depth—11 - 12/32″
Sidewall—Black Side Wall
Max pressure—50 - 51 psi
Sizes in common00

Which one should you actually buy?

Firestone Winterhawk 2 EVO

Toyo Observe GSi-6 HP

Winner: Toyo Observe GSi-6 HP — better handling, comfort and dry. Where the Firestone Winterhawk 2 EVO is ahead, it is by less than 3 points. Firestone Winterhawk 2 EVO rests on little evidence so far (0 tests, 10 reviews), so read this result as provisional.

Pick tire B You enjoy sharp, responsive handling

Toyo Observe GSi-6 HP scores 75 vs 48 on handling.

Pick tire B You want the most comfortable ride

Toyo Observe GSi-6 HP scores 75 vs 57 on comfort.

Pick tire B You want the most grip on dry roads

Toyo Observe GSi-6 HP scores 75 vs 58 on dry.

Pick tire B Your priority is wet-weather safety

Toyo Observe GSi-6 HP scores 75 vs 60 on wet.

Tire A · Firestone Winterhawk 2 EVO
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Tire B · Toyo Observe GSi-6 HP
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Winterhawk 2 EVO or Observe GSi-6 HP?

Which is better in the wet, Winterhawk 2 EVO or Observe GSi-6 HP?

Toyo Observe GSi-6 HP, 75 vs 60 on our wet score.

Which grips better on dry roads, Winterhawk 2 EVO or Observe GSi-6 HP?

Toyo Observe GSi-6 HP, 75 vs 58 on our dry score.

Which is better in snow, Winterhawk 2 EVO or Observe GSi-6 HP?

Toyo Observe GSi-6 HP, 66 vs 60 on our snow score.

Which is more comfortable, Winterhawk 2 EVO or Observe GSi-6 HP?

Toyo Observe GSi-6 HP, 75 vs 57 on our comfort score.

Which lasts longer, Winterhawk 2 EVO or Observe GSi-6 HP?

Neither, by our numbers: 63 vs 62 on the treadwear score, within 3 points.

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