80
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
82/100
19 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Pirelli Diablo Rosso II 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.
VS
81
/ 100
Objective (60%)
70/100
1 professional test
User signal (40%)
87/100
7 owner reviews
Prices change daily — check the retailer for your size.
VerdictToo close to call: Pirelli Diablo Rosso II and Pirelli Diablo Rosso IV are within 2 points overall. Pirelli Diablo Rosso IV is stronger on handling.
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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
Score (0–100)
Diablo Rosso II leads by 1
Why this score
| Source | Diablo Rosso II | Diablo Rosso IV |
|---|---|---|
| Professional tests (TWG score) | – | 87 |
| Tyre Reviews owners | 90 | 93 |
Wet
Score (0–100)
Diablo Rosso II leads by 1
Why this score
| Source | Diablo Rosso II | Diablo Rosso IV |
|---|---|---|
| Professional tests (TWG score) | – | 67 |
| Tyre Reviews owners | 73 | 79 |
Comfort
Score (0–100)
Why this score
| Source | Diablo Rosso II | Diablo Rosso IV |
|---|---|---|
| Tyre Reviews owners | 86 | 86 |
Treadwear
Score (0–100)
Diablo Rosso IV leads by 1
Why this score
| Source | Diablo Rosso II | Diablo Rosso IV |
|---|---|---|
| Tyre Reviews owners | 75 | 76 |
Handling
Score (0–100)
Diablo Rosso IV leads by 7
Why this score
| Source | Diablo Rosso II | Diablo Rosso IV |
|---|---|---|
| Tyre Reviews owners | 84 | 91 |
| DriverReviews owners | – | 92 |
Scores at a glance
| Category | Pirelli Diablo Rosso II | Pirelli Diablo Rosso IV |
|---|---|---|
| Relative Score | 80 | 81 |
| Dry | 90 | 89 |
| Wet | 73 | 72 |
| Comfort | 86 | 86 |
| Treadwear | 75 | 76 |
| Handling | 84 | 91 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Recomputed
Headline score
80
/ 100
Tire A
81
/ 100
Tire B
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Pirelli Diablo Rosso II is widely regarded as a high-performance sport tire that excels in dry-weather grip, rapid warm-up times, and rider feedback. While it earns praise for its confidence-inspiring handling on sport bikes, user experiences regarding tread longevity and wet-weather performance are polarized, often depending heavily on bike weight and riding style.
Pros
- Exceptional dry-weather grip and cornering stability
- Rapid warm-up time for immediate performance
- Predictable handling and high levels of rider feedback
- Strong value proposition compared to premium competitors
Cons
- Inconsistent tread life, with reports of rapid center wear and cupping
- Polarized wet-weather performance ranging from 'glue-like' to 'dangerous'
- Tendency for the rear tire to square off over time
- Front tire profile can feel overly 'pointy' or aggressive for some riders
Observations
- Smaller displacement bikes (e.g., DRZ400SM, YZF-R25) report significantly higher mileage and longevity compared to high-horsepower sport bikes.
- High-horsepower motorcycles (e.g., ZX10R) experience rapid rear tire degradation, often requiring replacement in under 2,000 miles under spirited use.
- Some riders noted that the tire's profile on naked bikes can lead to overly quick turn-in characteristics.
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 · Pirelli Diablo Rosso II | B · Pirelli Diablo Rosso IV |
|---|---|---|
| Category | Summer Max Performance tires | Summer Max Performance tires |
| Vehicle type | Motorcycle | Motorcycle |
Final verdict
Which one should you actually buy?
80
/ 100
Pirelli
81
/ 100
Pirelli
Too close to call: Pirelli Diablo Rosso II and Pirelli Diablo Rosso IV are within 2 points overall. Pirelli Diablo Rosso IV is stronger on handling.
Pick tire B
You enjoy sharp, responsive handling
Pirelli Diablo Rosso IV scores 91 vs 84 on handling.
Tire A · Pirelli Diablo Rosso II
Tire B · Pirelli Diablo Rosso IV
More comparisons
Also compared with
Pirelli Diablo Rosso II also compared with
Pirelli Diablo Rosso IV also compared with
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.