73
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
69/100
31 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Dunlop SP Sport 300 vs Pirelli Diablo Rosso III — Compared (May 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
82
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
83/100
9 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Pirelli Diablo Rosso III — better handling, comfort and dry. It leads or ties in every category we score.
Read full
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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 III leads by 9
Why this score
| Source | SP Sport 300 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 77 | 90 |
Wet
Score (0–100)
Diablo Rosso III leads by 4
Why this score
| Source | SP Sport 300 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 68 | 77 |
Comfort
Score (0–100)
Diablo Rosso III leads by 16
Why this score
| Source | SP Sport 300 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 67 | 88 |
Treadwear
Score (0–100)
SP Sport 300 leads by 1
Why this score
| Source | SP Sport 300 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 77 | 75 |
Handling
Score (0–100)
Diablo Rosso III leads by 28
Why this score
| Source | SP Sport 300 | Diablo Rosso III |
|---|---|---|
| Tyre Reviews owners | 62 | 90 |
Scores at a glance
| Category | Dunlop SP Sport 300 | Pirelli Diablo Rosso III |
|---|---|---|
| Relative Score | 73 | 82 |
| Dry | 81 | 90 |
| Wet | 73 | 77 |
| Comfort | 72 | 88 |
| Treadwear | 76 | 75 |
| Handling | 62 | 90 |
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
73
/ 100
Tire A
82
/ 100
Tire B
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Dunlop SP Sport 300 is generally regarded as a reliable, value-oriented tire that excels in comfort and road noise suppression. While it receives praise for its balanced performance in daily driving conditions, user experiences regarding tread longevity and high-performance grip are polarized, often depending on the vehicle's power output and driving style.
Pros
- Low road noise and high cabin comfort
- Strong value for money and competitive pricing
- Reliable dry and wet weather handling for daily commuting
- Consistent performance throughout the tire's lifespan
Cons
- Rapid tread wear reported by performance-oriented drivers
- Insufficient traction for high-horsepower or sports vehicles
- Increased noise and vibration as the tread depth decreases
- Limited availability in certain markets and sizes
Observations
- High-performance vehicles (e.g., C63s AMG) struggle with off-the-line traction, suggesting the tire is better suited for standard passenger cars than high-torque sports models.
- Owners of older luxury sedans (e.g., Lexus SC430) appreciate the stiff sidewall construction for maintaining handling precision and preventing tramlining.
The Pirelli Diablo Rosso III is widely regarded as a high-performance sport tire that excels in providing predictable grip, excellent feedback, and confidence-inspiring wet-weather handling. While users consistently praise its agility and performance on twisty roads, there is a notable divide regarding tread longevity, with some riders experiencing rapid wear compared to more specialized track-focused or touring alternatives.
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
- High level of rider feedback and stability under heavy braking
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
Observations
- Sportbike riders (Ducati 959 Panigale, Yamaha R1) report high satisfaction with the tire's ability to handle aggressive cornering and track-day usage.
- Users transitioning from touring-oriented tires (e.g., Scorpion Trail) to the Rosso III note a significant increase in agility and cornering capability, though at the expense of touring longevity.
Specifications
Specs side by side
| Attribute | A · Dunlop SP Sport 300 | B · Pirelli Diablo Rosso III |
|---|---|---|
| Category | All Season Touring tires | Summer Max Performance tires |
| Vehicle type | Passenger Car / Crossover | Motorcycle |
Final verdict
Which one should you actually buy?
73
/ 100
Dunlop
82
/ 100
Pirelli
Winner: Pirelli Diablo Rosso III — better handling, comfort and dry. It leads or ties in every category we score.
Pick tire B
You enjoy sharp, responsive handling
Pirelli Diablo Rosso III scores 90 vs 62 on handling.
Pick tire B
You want the most comfortable ride
Pirelli Diablo Rosso III scores 88 vs 72 on comfort.
Pick tire B
You want the most grip on dry roads
Pirelli Diablo Rosso III scores 90 vs 81 on dry.
Pick tire B
Your priority is wet-weather safety
Pirelli Diablo Rosso III scores 77 vs 73 on wet.
Tire A · Dunlop SP Sport 300
Tire B · Pirelli Diablo Rosso III
More comparisons
Also compared with
Dunlop SP Sport 300 also compared with
Pirelli Diablo Rosso III 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.