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Head-to-head Updated

Star Performer Solar 4S vs Goodride ZuperSnow Z507 — 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 2 + 4 road tests and 0 + 1 owner reviews. How we score

Solar 4S is ahead, 71–62

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Star Performer Solar 4S
Tire AStar Performer

Solar 4S

All Season

± 8

Tests 72 · 2 tests Owners – · none yet

Best test result: #1 of 7 in 2024 Al Volante All-Season Tire Test R17 (wet braking)

Category by category

Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.

  1. 76

    Dry

    Solar 4S +12
    64
    Why this score
    SourceSolar 4SZuperSnow Z507
    Professional tests (TWG score) · 2 / – tests79≈ 66 (est.)
    Reviews found online≈ 72 (est.)62

    Solar 4S: 60% × 78.7 + 40% × 72.4 (est.) = 76

    ZuperSnow Z507: 60% × 65.6 (est.) + 40% × 62.2 = 64

    No owner ratings of dry for Solar 4S. The owner half is estimated from its road-test score, as far as owners and testers agree (correlation 0.41).

    No road tests of dry for ZuperSnow Z507. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).

  2. 65

    Wet

    Solar 4S +8
    57
    Why this score
    SourceSolar 4SZuperSnow Z507
    Professional tests (TWG score) · 2 / 4 tests6454
    Reviews found online≈ 67 (est.)63

    Solar 4S: 60% × 64 + 40% × 67.1 (est.) = 65

    ZuperSnow Z507: 60% × 53.8 + 40% × 62.6 = 57

    No owner ratings of wet for Solar 4S. The owner half is estimated from its road-test score, as far as owners and testers agree (correlation 0.55).

  3. 73

    Snow

    Solar 4S +6
    67
    Why this score
    SourceSolar 4SZuperSnow Z507
    Professional tests (TWG score) · 1 / – tests73≈ 69 (est.)
    Reviews found online≈ 71 (est.)64

    Solar 4S: 60% × 73.3 + 40% × 71.4 (est.) = 73

    ZuperSnow Z507: 60% × 68.6 (est.) + 40% × 64.4 = 67

    No owner ratings of snow for Solar 4S. The owner half is estimated from its road-test score, as far as owners and testers agree (correlation 0.32).

    No road tests of snow for ZuperSnow Z507. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.32).

  4. –

    Comfort

    No comparison
    60
    Why this score
    SourceSolar 4SZuperSnow Z507
    Professional tests (TWG score)–≈ 66 (est.)
    Reviews found online–57

    ZuperSnow Z507: 40% × 66.3 (est.) + 60% × 56.5 = 60

    No road tests of comfort for ZuperSnow Z507. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).

  5. –

    Treadwear

    No comparison
    53
    Why this score
    SourceSolar 4SZuperSnow Z507
    Professional tests (TWG score)–≈ 59 (est.)
    Reviews found online–45

    ZuperSnow Z507: 60% × 58.9 (est.) + 40% × 45.2 = 53

    No road tests of treadwear for ZuperSnow Z507. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).

  6. –

    Handling (owners)

    No comparison
    59
    Why this score
    SourceSolar 4SZuperSnow Z507
    Reviews found online–59
  7. 55

    Efficiency

    No comparison
    –
    Why this score
    SourceSolar 4SZuperSnow Z507
    Professional tests (TWG score) · 1 / – tests55–
Scores at a glance
CategoryStar Performer Solar 4SGoodride ZuperSnow Z507
Relative Score 71 62
Dry 76 64
Wet 65 57
Snow 73 67
Comfort – 60
Treadwear – 53
Handling (owners) – 59
Efficiency 55 –

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
Neutral
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

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

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

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

Recomputed
Headline score
± 8

Solar 4S

± 8

ZuperSnow Z507

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.

DisciplineCategorySolar 4SZuperSnow Z507ΔHead-to-head
Wet Braking Wet 76% #28/30 · 2025 All Season 30 Tyre Braking Test 74% #35/50 · 2026 Winter Tyre Braking Test - 50 Sets – Different tests
Also published by the testers (not in the score)
Overall Ranking Overall #24/30 2025 All Season 30 Tyre Braking Test #35/50 2026 Winter Tyre Braking Test - 50 Sets – Different tests

Pros, cons & observations

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

Tire A Solar 4S

Not enough owner reviews yet to extract themes.

Tire B ZuperSnow Z507

Pros

  • Satisfactory performance when the tread is new
  • Budget-friendly price point

Cons

  • Rapid tread wear and short service life
  • Poor durability under intensive driving conditions
  • Susceptibility to punctures
All owner themes in the ZuperSnow Z507 review

Specs side by side

Attribute A · Star Performer Solar 4S B · Goodride ZuperSnow Z507
CategoryAll SeasonWinter
Vehicle type—Passenger Car / Crossover

Which one should you actually buy?

Star Performer Solar 4S

Goodride ZuperSnow Z507

Winner: Star Performer Solar 4S — better dry, wet and snow. It leads or ties in every category we score.

Pick tire A You want the most grip on dry roads

Star Performer Solar 4S scores 76 vs 64 on dry.

Pick tire A Your priority is wet-weather safety

Star Performer Solar 4S scores 65 vs 57 on wet.

Pick tire A You drive through snowy winters

Star Performer Solar 4S scores 73 vs 67 on snow.

Tire A · Star Performer Solar 4S
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Tire B · Goodride ZuperSnow Z507
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Solar 4S or ZuperSnow Z507?

Which is better in the wet, Solar 4S or ZuperSnow Z507?

Star Performer Solar 4S, 65 vs 57 on our wet score.

Which grips better on dry roads, Solar 4S or ZuperSnow Z507?

Star Performer Solar 4S, 76 vs 64 on our dry score.

Which is better in snow, Solar 4S or ZuperSnow Z507?

Star Performer Solar 4S, 73 vs 67 on our snow 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