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Dunlop Grandtrek ST30 vs Goodyear Assurance WeatherReady — 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.
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7 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
Why this score
| Source | Grandtrek ST30 | Assurance WeatherReady |
|---|---|---|
| Professional tests (TWG score) | – | 66 |
| Tire Rack owners | 78 | – |
| Tyre Reviews owners | 84 | 77 |
| SimpleTire owners | 72 | 84 |
Wet
Why this score
| Source | Grandtrek ST30 | Assurance WeatherReady |
|---|---|---|
| Professional tests (TWG score) | – | 83 |
| Tire Rack owners | 77 | – |
| Tyre Reviews owners | 71 | 80 |
| SimpleTire owners | 72 | 86 |
Snow
Why this score
| Source | Grandtrek ST30 | Assurance WeatherReady |
|---|---|---|
| Professional tests (TWG score) | – | 77 |
| Tire Rack owners | 87 | – |
| Tyre Reviews owners | 60 | – |
| SimpleTire owners | 60 | 85 |
Comfort
Why this score
| Source | Grandtrek ST30 | Assurance WeatherReady |
|---|---|---|
| Tire Rack owners | 70 | – |
| Tyre Reviews owners | 71 | 73 |
| SimpleTire owners | 72 | 82 |
Noise
Why this score
| Source | Grandtrek ST30 | Assurance WeatherReady |
|---|---|---|
| SimpleTire owners | 68 | 82 |
Treadwear
Why this score
| Source | Grandtrek ST30 | Assurance WeatherReady |
|---|---|---|
| Tire Rack owners | 76 | – |
| Tyre Reviews owners | 70 | 80 |
| SimpleTire owners | 60 | 90 |
Handling
Why this score
| Source | Grandtrek ST30 | Assurance WeatherReady |
|---|---|---|
| Tyre Reviews owners | 68 | 70 |
Scores at a glance
| Category | Dunlop Grandtrek ST30 | Goodyear Assurance WeatherReady |
|---|---|---|
| Relative Score | 70 | 88 |
| Dry | 82 | 78 |
| Wet | 71 | 88 |
| Snow | 61 | 77 |
| Comfort | 71 | 95 |
| Noise | 68 | 92 |
| Treadwear | 68 | 91 |
| Handling | 68 | 95 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Weight the categories that matter to you
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Tire A
Tire B
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Dunlop Grandtrek ST30 receives highly polarized feedback, often serving as polarizing original equipment on popular SUVs like the Honda CR-V and Toyota RAV4. While some users praise its dry-road stability, longevity, and value, a significant portion of owners report dissatisfaction regarding wet-weather confidence, excessive road noise, and inconsistent tread wear.
Pros
- Strong dry-pavement grip and straight-line stability
- Competitive price point and value for money
- High mileage potential for some drivers
- Capable performance on light unpaved or rural roads
Cons
- Poor wet-weather performance and susceptibility to aquaplaning
- High levels of road noise on various surfaces
- Inconsistent tread life, with reports of rapid wear
- Lack of confidence in winter conditions, including snow and ice
Observations
- Users of AWD vehicles like the Honda CR-V and Toyota RAV4 report highly variable experiences, ranging from excellent longevity to premature wear and poor wet-traction handling.
- The tire is frequently criticized for its lack of winter capability, with many owners noting it is unsuitable for anything beyond light, dry conditions.
The Goodyear Assurance WeatherReady is widely regarded as a highly capable all-weather tire that excels in adverse conditions, particularly snow and heavy rain. Most users report a significant improvement in confidence and traction over OEM tires, though this performance comes with a slight trade-off in fuel efficiency and occasional reports of increased road noise.
Pros
- Exceptional traction and handling in wet, slushy, and snowy conditions.
- High level of driver confidence and vehicle stability.
- Smooth and quiet ride quality on dry pavement.
- Strong performance as a versatile, year-round solution for varied climates.
Cons
- Noticeable reduction in fuel economy (typically 1-2 MPG).
- Reports of increased road noise or a 'hum' at certain speeds.
- Some users report faster-than-expected tread wear.
- Higher price point compared to standard all-season alternatives.
Observations
- Drivers of hybrid vehicles, such as the Honda Accord Hybrid, noted a more pronounced awareness of road noise, likely due to the quiet nature of the electric powertrain.
- Users with AWD SUVs and crossovers consistently praised the tire's ability to handle deep snow and heavy rain, often citing it as a major upgrade over stock tires.
Specs side by side
| Attribute | A · Dunlop Grandtrek ST30 | B · Goodyear Assurance WeatherReady |
|---|---|---|
| Category | All Season Premium Touring tires | All Season Premium Touring tires |
| Vehicle type | SUV and 4x4 | Passenger Car / Crossover |
| Sizes available | 2 | 34 |
| Rim diameters | 17″ – 18″ | 15″ – 20″ |
| Tread depth | 10/32″ | 10 - 11/32″ |
| UTQG | 360 A A | 700 A A |
| Treadwear warranty | — | 60,000 mi |
| Sidewall | Blackwall | Black Side Wall - Vertical Serrated Band |
| Max pressure | 51 psi | 50 - 51 psi |
Which one should you actually buy?
Dunlop
Goodyear
Winner: Goodyear Assurance WeatherReady — better handling, comfort and noise. Pick the Dunlop Grandtrek ST30 if dry matters most to you.
Goodyear Assurance WeatherReady scores 95 vs 68 on handling.
Goodyear Assurance WeatherReady scores 95 vs 71 on comfort.
Goodyear Assurance WeatherReady scores 92 vs 68 on noise.
Goodyear Assurance WeatherReady scores 91 vs 68 on treadwear.
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.