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Head-to-head Updated September 2026

Dunlop ScootSmart vs Pirelli Diablo Rosso IV — Compared (September 2026)

Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.

Tire A Dunlop

Dunlop ScootSmart

Summer Premium Touring tires

Dunlop ScootSmart tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
58/100
8 owner reviews
Dry
81
Wet
48
Comfort
69
Treadwear
71
Handling
53
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Prices change daily — check the retailer for your size.

VS
Tire B Pirelli

Pirelli Diablo Rosso IV

Summer Max Performance tires

Pirelli Diablo Rosso IV tread pattern
Objective (60%)
70/100
1 professional test
User signal (40%)
87/100
7 owner reviews
Dry
89
Wet
72
Comfort
86
Treadwear
76
Handling
91
Check price on Amazon

Prices change daily — check the retailer for your size.

VerdictWinner: Pirelli Diablo Rosso IV — better handling, wet and comfort. It leads or ties in every category we score.
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Category breakdown

5 categories, side by side

Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.

Dry

Weight: Neutral
Score (0–100) Diablo Rosso IV leads by 8
A
81
B
89
Why this score
SourceScootSmartDiablo Rosso IV
Professional tests (TWG score) – 87
Tyre Reviews owners 81 93

Wet

Weight: Important
Score (0–100) Diablo Rosso IV leads by 24
A
48
B
72
Why this score
SourceScootSmartDiablo Rosso IV
Professional tests (TWG score) – 67
Tyre Reviews owners 48 79

Comfort

Weight: Neutral
Score (0–100) Diablo Rosso IV leads by 17
A
69
B
86
Why this score
SourceScootSmartDiablo Rosso IV
Tyre Reviews owners 69 86

Treadwear

Weight: Important
Score (0–100) Diablo Rosso IV leads by 5
A
71
B
76
Why this score
SourceScootSmartDiablo Rosso IV
Tyre Reviews owners 71 76

Handling

Weight: Neutral
Score (0–100) Diablo Rosso IV leads by 38
A
53
B
91
Why this score
SourceScootSmartDiablo Rosso IV
Tyre Reviews owners 53 91
DriverReviews owners – 92

Scores at a glance

CategoryDunlop ScootSmartPirelli Diablo Rosso IV
Relative Score 63 81
Dry 81 89
Wet 48 72
Comfort 69 86
Treadwear 71 76
Handling 53 91

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

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Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.

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Recomputed
Headline score

Tire A

Tire B

From owners

Pros, cons & observations

Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.

Tire A Dunlop ScootSmart

The Dunlop ScootSmart receives a polarized reception, with users praising its dry-weather handling and longevity while expressing significant concerns regarding wet-weather performance and puncture resistance. While some riders appreciate the sporty feel and durability, a recurring sentiment suggests that the tire's compound may be inconsistent or unsuitable for varied road conditions, leading to a lack of confidence in wet environments.

Pros

  • Strong grip and predictable handling in dry conditions
  • Impressive tread longevity and wear resistance
  • Sporty handling characteristics that inspire confidence in fair weather

Cons

  • Poor traction and frequent slippage on wet surfaces
  • High susceptibility to punctures from small debris
  • Harsh ride quality that transmits road imperfections
  • Potential quality control issues regarding tire balance

Observations

  • Users reported that wet-weather performance degrades noticeably when carrying a pillion passenger.
  • The tire's compound is perceived as overly sensitive to cold temperatures, leading to a 'plastic' feel and reduced grip.
Tire B Pirelli Diablo Rosso IV

The Pirelli Diablo Rosso IV is widely regarded as a top-tier hypersport tire that offers significant improvements in feedback, warm-up time, and lean-angle confidence over its predecessors. While users consistently praise its performance in both wet and dry conditions, the consensus notes that these gains come at a premium price point and with potential longevity trade-offs depending on riding style.

Pros

  • Exceptional dry and wet grip with rapid warm-up times.
  • High level of precision and confidence at deep lean angles.
  • Improved feedback and stability compared to previous generations (DR2/DR3).
  • Surprisingly good low-speed stability and handling characteristics.

Cons

  • Higher price point compared to competitors and previous models.
  • Performance consistency may degrade as the tire reaches the end of its service life.
  • Potential for increased wear rates under aggressive riding conditions.

Observations

  • Users reported significant improvements in resistance to cupping on smaller displacement bikes (e.g., PCX 125) compared to the Diablo Rosso II.
  • Aggressive riders utilizing standard sportbike sizes (120/70 and 190/55) report that the tire maintains performance characteristics comparable to more track-focused compounds like the Rosso Corsa II.
Specifications

Specs side by side

Attribute A · Dunlop ScootSmart B · Pirelli Diablo Rosso IV
CategorySummer Premium Touring tiresSummer Max Performance tires
Vehicle typeMotorcycleMotorcycle
Final verdict

Which one should you actually buy?

Dunlop

Pirelli

Winner: Pirelli Diablo Rosso IV — better handling, wet and comfort. It leads or ties in every category we score.

Pick tire B You enjoy sharp, responsive handling

Pirelli Diablo Rosso IV scores 91 vs 53 on handling.

Pick tire B Your priority is wet-weather safety

Pirelli Diablo Rosso IV scores 72 vs 48 on wet.

Pick tire B You want the most comfortable ride

Pirelli Diablo Rosso IV scores 86 vs 69 on comfort.

Pick tire B You want the most grip on dry roads

Pirelli Diablo Rosso IV scores 89 vs 81 on dry.

Tire A · Dunlop ScootSmart
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Tire B · Pirelli Diablo Rosso IV
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How do we compare tires?

Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.

Community buzz from Reddit and forums is shown for context only — it never changes the score.