80
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
80/100
9 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Dunlop Grandtrek ST20 vs Dunlop SP Sport 300 — 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
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.
VerdictWinner: Dunlop Grandtrek ST20 — better handling, treadwear and wet. 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
Score (0–100)
Why this score
| Source | Grandtrek ST20 | SP Sport 300 |
|---|---|---|
| Tyre Reviews owners | 81 | 77 |
Wet
Score (0–100)
Grandtrek ST20 leads by 5
Why this score
| Source | Grandtrek ST20 | SP Sport 300 |
|---|---|---|
| Tyre Reviews owners | 78 | 68 |
Comfort
Score (0–100)
Grandtrek ST20 leads by 5
Why this score
| Source | Grandtrek ST20 | SP Sport 300 |
|---|---|---|
| Tyre Reviews owners | 77 | 67 |
Treadwear
Score (0–100)
Grandtrek ST20 leads by 7
Why this score
| Source | Grandtrek ST20 | SP Sport 300 |
|---|---|---|
| Tyre Reviews owners | 83 | 77 |
Handling
Score (0–100)
Grandtrek ST20 leads by 17
Why this score
| Source | Grandtrek ST20 | SP Sport 300 |
|---|---|---|
| Tyre Reviews owners | 79 | 62 |
Scores at a glance
| Category | Dunlop Grandtrek ST20 | Dunlop SP Sport 300 |
|---|---|---|
| Relative Score | 80 | 73 |
| Dry | 81 | 81 |
| Wet | 78 | 73 |
| Comfort | 77 | 72 |
| Treadwear | 83 | 76 |
| Handling | 79 | 62 |
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
80
/ 100
Tire A
73
/ 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 Grandtrek ST20 is generally regarded as a reliable and durable original equipment tire, particularly favored by owners of compact and mid-size SUVs. While users consistently praise its longevity and predictable handling in mixed weather conditions, some report concerns regarding sidewall cracking over time and a noticeable decline in wet-weather performance as the tread depth approaches the legal limit.
Pros
- Impressive tread life and overall durability
- Consistent and predictable handling in mixed weather conditions
- Strong performance for light off-road and towing applications
- Good value proposition as an original equipment replacement
Cons
- Noticeable reduction in wet grip at lower tread depths (below 3mm)
- Tendency for sidewalls to develop cracks or crazing over time
- Increased road noise on rough or concrete surfaces
- Uneven shoulder wear reported by some users
Observations
- Owners of shorter-wheelbase vehicles like the Daihatsu Terios noted potential bounciness, though it was unclear if this was tire-specific or vehicle-geometry related.
- The tire is frequently cited as a preferred original equipment choice for Nissan SUVs, with users often opting to repurchase the same model after the initial set wears out.
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.
Specifications
Specs side by side
| Attribute | A · Dunlop Grandtrek ST20 | B · Dunlop SP Sport 300 |
|---|---|---|
| Category | All Season Premium Touring tires | All Season Touring tires |
| Vehicle type | SUV and 4x4 | Passenger Car / Crossover |
Final verdict
Which one should you actually buy?
80
/ 100
Dunlop
73
/ 100
Dunlop
Winner: Dunlop Grandtrek ST20 — better handling, treadwear and wet. It leads or ties in every category we score.
Pick tire A
You enjoy sharp, responsive handling
Dunlop Grandtrek ST20 scores 79 vs 62 on handling.
Pick tire A
You want the longest tread life
Dunlop Grandtrek ST20 scores 83 vs 76 on treadwear.
Pick tire A
Your priority is wet-weather safety
Dunlop Grandtrek ST20 scores 78 vs 73 on wet.
Pick tire A
You want the most comfortable ride
Dunlop Grandtrek ST20 scores 77 vs 72 on comfort.
Tire A · Dunlop Grandtrek ST20
Tire B · Dunlop SP Sport 300
More comparisons
Also compared with
Dunlop Grandtrek ST20 also compared with
Dunlop SP Sport 300 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.