76
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
81/100
1 owner review
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Dunlop GP Racer D212 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.
VerdictWinner: Pirelli Diablo Rosso IV — better comfort and wet. Pick the Dunlop GP Racer D212 if treadwear matters most to you.
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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)
GP Racer D212 leads by 1
Why this score
| Source | GP Racer D212 | Diablo Rosso IV |
|---|---|---|
| Professional tests (TWG score) | – | 87 |
| Tyre Reviews owners | 90 | 93 |
Wet
Score (0–100)
Diablo Rosso IV leads by 12
Why this score
| Source | GP Racer D212 | Diablo Rosso IV |
|---|---|---|
| Professional tests (TWG score) | – | 67 |
| Tyre Reviews owners | 60 | 79 |
Comfort
Score (0–100)
Diablo Rosso IV leads by 16
Why this score
| Source | GP Racer D212 | Diablo Rosso IV |
|---|---|---|
| Tyre Reviews owners | 70 | 86 |
Treadwear
Score (0–100)
GP Racer D212 leads by 4
Why this score
| Source | GP Racer D212 | Diablo Rosso IV |
|---|---|---|
| Tyre Reviews owners | 80 | 76 |
Handling
Score (0–100)
Diablo Rosso IV leads by 1
Why this score
| Source | GP Racer D212 | Diablo Rosso IV |
|---|---|---|
| Tyre Reviews owners | 90 | 91 |
| DriverReviews owners | – | 92 |
Scores at a glance
| Category | Dunlop GP Racer D212 | Pirelli Diablo Rosso IV |
|---|---|---|
| Relative Score | 76 | 81 |
| Dry | 90 | 89 |
| Wet | 60 | 72 |
| Comfort | 70 | 86 |
| Treadwear | 80 | 76 |
| Handling | 90 | 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
76
/ 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 Dunlop GP Racer D212 is highly regarded by supersport riders for its exceptional grip and agility, offering a performance level significantly beyond standard road-legal tires. While users praise its track-oriented handling characteristics, they note that the premium price point reflects its specialized nature.
Pros
- Exceptional mechanical grip compared to standard road tires
- High-performance handling and agility for deep lean angles
- Precise turn-in characteristics
- Confidence-inspiring feedback during spirited riding
Cons
- High purchase price
- Limited longevity compared to touring-oriented rubber
Observations
- Specifically noted for superior performance on supersport motorcycles
- Highly effective for riders prioritizing track-day capability over long-distance mileage
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 GP Racer D212 | B · Pirelli Diablo Rosso IV |
|---|---|---|
| Category | Summer Trackday and Competition tires | Summer Max Performance tires |
| Vehicle type | Motorcycle | Motorcycle |
Final verdict
Which one should you actually buy?
76
/ 100
Dunlop
81
/ 100
Pirelli
Winner: Pirelli Diablo Rosso IV — better comfort and wet. Pick the Dunlop GP Racer D212 if treadwear matters most to you.
Pick tire B
You want the most comfortable ride
Pirelli Diablo Rosso IV scores 86 vs 70 on comfort.
Pick tire B
Your priority is wet-weather safety
Pirelli Diablo Rosso IV scores 72 vs 60 on wet.
Pick tire A
You want the longest tread life
Dunlop GP Racer D212 scores 80 vs 76 on treadwear.
Tire A · Dunlop GP Racer D212
Tire B · Pirelli Diablo Rosso IV
More comparisons
Also compared with
Dunlop GP Racer D212 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.