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Avon Storm 3D XM vs Pirelli Diablo Rosso III — 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 + 0 road tests and 12 + 9 owner reviews. How we score

Diablo Rosso III is ahead, 73–64

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Avon Storm 3D XM
Tire AAvon

Storm 3D XM

Summer

± 8Provisional

Tests – · none yet Owners 63 · 12 reviews

Category by category

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

  1. 65

    Dry

    Diablo Rosso III +9
    74
    Why this score
    SourceStorm 3D XMDiablo Rosso III
    Professional tests (TWG score)≈ 66 (est.)≈ 72 (est.)
    Reviews found online6377

    Storm 3D XM: 60% × 65.8 (est.) + 40% × 62.7 = 65

    Diablo Rosso III: 60% × 71.8 (est.) + 40% × 77.2 = 74

    No road tests of dry for Storm 3D XM. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.42).

    No road tests of dry for Diablo Rosso III. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.42).

  2. 63

    Wet

    Diablo Rosso III +11
    74
    Why this score
    SourceStorm 3D XMDiablo Rosso III
    Professional tests (TWG score)≈ 65 (est.)≈ 73 (est.)
    Reviews found online6075

    Storm 3D XM: 60% × 64.9 (est.) + 40% × 60.1 = 63

    Diablo Rosso III: 60% × 73 (est.) + 40% × 74.9 = 74

    No road tests of wet for Storm 3D XM. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).

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

  3. 64

    Comfort

    Diablo Rosso III +9
    73
    Why this score
    SourceStorm 3D XMDiablo Rosso III
    Professional tests (TWG score)≈ 67 (est.)≈ 70 (est.)
    Reviews found online6275

    Storm 3D XM: 40% × 67.4 (est.) + 60% × 62.1 = 64

    Diablo Rosso III: 40% × 70 (est.) + 60% × 74.9 = 73

    No road tests of comfort for Storm 3D XM. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).

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

  4. 68

    Treadwear

    Storm 3D XM +1
    67
    Why this score
    SourceStorm 3D XMDiablo Rosso III
    Professional tests (TWG score)≈ 67 (est.)≈ 67 (est.)
    Reviews found online6867

    Storm 3D XM: 60% × 67.2 (est.) + 40% × 68.3 = 68

    Diablo Rosso III: 60% × 66.7 (est.) + 40% × 67 = 67

    No road tests of treadwear for Storm 3D XM. 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 Diablo Rosso III. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).

  5. 59

    Handling (owners)

    Diablo Rosso III +20
    79
    Why this score
    SourceStorm 3D XMDiablo Rosso III
    Reviews found online5979
Scores at a glance
CategoryAvon Storm 3D XMPirelli Diablo Rosso III
Relative Score 64 73
Dry 65 74
Wet 63 74
Comfort 64 73
Treadwear 68 67
Handling (owners) 59 79

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
Less important
NotLessNeutralImportantMost
Neutral
NotLessNeutralImportantMost
Less important
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Recomputed
Headline score
± 8

Storm 3D XM

± 8

Diablo Rosso III

Pros, cons & observations

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

Tire A Storm 3D XM

Pros

  • High mileage and tread longevity
  • Strong dry-weather grip and stability
  • Excellent value for money compared to premium alternatives

Cons

  • Inconsistent wet-weather performance and lack of confidence
  • Vague front-end feedback and 'squirming' sensation
  • Tendency to track road grooves and imperfections
All owner themes in the Storm 3D XM review

Tire B Diablo Rosso III

Pros

  • Exceptional dry grip and predictable handling at various lean angles
  • Improved wet-weather performance compared to more aggressive track-oriented tires
  • Fast warm-up times providing immediate confidence

Cons

  • Inconsistent tread life, with some users reporting premature rear tire wear
  • Potential for rapid degradation under aggressive riding styles
  • Isolated reports of structural issues such as delamination
All owner themes in the Diablo Rosso III review

Specs side by side

Attribute A · Avon Storm 3D XM B · Pirelli Diablo Rosso III
CategorySummerSummer
Vehicle typeMotorcycleMotorcycle

Which one should you actually buy?

Avon Storm 3D XM

Pirelli Diablo Rosso III

Winner: Pirelli Diablo Rosso III — better handling, wet and dry. Where the Avon Storm 3D XM is ahead, it is by less than 3 points. Avon Storm 3D XM rests on little evidence so far (0 tests, 12 reviews), so read this result as provisional. Pirelli Diablo Rosso III rests on little evidence so far (0 tests, 9 reviews), so read this result as provisional.

Pick tire B You enjoy sharp, responsive handling

Pirelli Diablo Rosso III scores 79 vs 59 on handling.

Pick tire B Your priority is wet-weather safety

Pirelli Diablo Rosso III scores 74 vs 63 on wet.

Pick tire B You want the most grip on dry roads

Pirelli Diablo Rosso III scores 74 vs 65 on dry.

Pick tire B You want the most comfortable ride

Pirelli Diablo Rosso III scores 73 vs 64 on comfort.

Tire A · Avon Storm 3D XM
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Tire B · Pirelli Diablo Rosso III
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Storm 3D XM or Diablo Rosso III?

Which is better in the wet, Storm 3D XM or Diablo Rosso III?

Pirelli Diablo Rosso III, 74 vs 63 on our wet score.

Which grips better on dry roads, Storm 3D XM or Diablo Rosso III?

Pirelli Diablo Rosso III, 74 vs 65 on our dry score.

Which is more comfortable, Storm 3D XM or Diablo Rosso III?

Pirelli Diablo Rosso III, 73 vs 64 on our comfort score.

Which lasts longer, Storm 3D XM or Diablo Rosso III?

Neither, by our numbers: 68 vs 67 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