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Michelin Power 5 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 16 + 9 owner reviews. How we score

Diablo Rosso III leads, 73–71 Narrow edge

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Michelin Power 5
Tire AMichelin

Power 5

Summer

± 8Provisional

Tests – · none yet Owners 70 · 16 reviews

Category by category

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

  1. 72

    Dry

    Diablo Rosso III +2
    74
    Why this score
    SourcePower 5Diablo Rosso III
    Professional tests (TWG score)≈ 70 (est.)≈ 72 (est.)
    Reviews found online7378

    Power 5: 60% × 70.3 (est.) + 40% × 73.4 = 72

    Diablo Rosso III: 60% × 72.1 (est.) + 40% × 77.6 = 74

    No road tests of dry for Power 5. 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. 74

    Wet

    Level
    74
    Why this score
    SourcePower 5Diablo Rosso III
    Professional tests (TWG score)≈ 73 (est.)≈ 73 (est.)
    Reviews found online7575

    Power 5: 60% × 73.1 (est.) + 40% × 74.9 = 74

    Diablo Rosso III: 60% × 73.2 (est.) + 40% × 75.1 = 74

    No road tests of wet for Power 5. 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. 71

    Comfort

    Diablo Rosso III +2
    73
    Why this score
    SourcePower 5Diablo Rosso III
    Professional tests (TWG score)≈ 70 (est.)≈ 70 (est.)
    Reviews found online7276

    Power 5: 40% × 69.7 (est.) + 60% × 72.2 = 71

    Diablo Rosso III: 40% × 70.3 (est.) + 60% × 75.5 = 73

    No road tests of comfort for Power 5 or Diablo Rosso III. The test half is the tested tires’ average (69): owners’ comfort ratings barely follow the road tests.

  4. 63

    Treadwear

    Diablo Rosso III +4
    67
    Why this score
    SourcePower 5Diablo Rosso III
    Professional tests (TWG score)≈ 65 (est.)≈ 66 (est.)
    Reviews found online6267

    Power 5: 60% × 64.5 (est.) + 40% × 61.6 = 63

    Diablo Rosso III: 60% × 66.4 (est.) + 40% × 66.8 = 67

    No road tests of treadwear for Power 5. 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 Diablo Rosso III. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.35).

  5. 73

    Handling (owners)

    Diablo Rosso III +6
    79
    Why this score
    SourcePower 5Diablo Rosso III
    Reviews found online7379
Scores at a glance
CategoryMichelin Power 5Pirelli Diablo Rosso III
Relative Score 71 73
Dry 72 74
Wet 74 74
Comfort 71 73
Treadwear 63 67
Handling (owners) 73 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
NotLessNeutralImportantMost
Recomputed
Headline score
± 8

Power 5

± 8

Diablo Rosso III

Pros, cons & observations

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

Tire A Power 5

Pros

  • Exceptional wet-weather grip and stability in standing water
  • Rapid warm-up times, even in cooler ambient temperatures
  • Agile handling and predictable cornering behavior on public roads

Cons

  • Tendency for the rear tire to square off prematurely
  • Inconsistent performance and grip degradation as the tire reaches the end of its life
  • Lack of confidence at maximum lean angles compared to dedicated track tires
All owner themes in the Power 5 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 · Michelin Power 5 B · Pirelli Diablo Rosso III
CategorySummerSummer
Vehicle typeMotorcycleMotorcycle

Which one should you actually buy?

Michelin Power 5

Pirelli Diablo Rosso III

Narrow edge: Pirelli Diablo Rosso III — better handling and treadwear. It leads or ties in every category we score. Michelin Power 5 rests on little evidence so far (0 tests, 16 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 73 on handling.

Pick tire B You want the longest tread life

Pirelli Diablo Rosso III scores 67 vs 63 on treadwear.

Tire A · Michelin Power 5
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Tire B · Pirelli Diablo Rosso III
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Power 5 or Diablo Rosso III?

Which is better in the wet, Power 5 or Diablo Rosso III?

Neither, by our numbers: 74 vs 74 on the wet score, within 3 points.

Which grips better on dry roads, Power 5 or Diablo Rosso III?

Neither, by our numbers: 72 vs 74 on the dry score, within 3 points.

Which is more comfortable, Power 5 or Diablo Rosso III?

Neither, by our numbers: 71 vs 73 on the comfort score, within 3 points.

Which lasts longer, Power 5 or Diablo Rosso III?

Pirelli Diablo Rosso III, 67 vs 63 on our treadwear 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