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BFGoodrich Trail Terrain TA vs Dunlop Grandtrek ST20 — 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 | Trail Terrain TA | Grandtrek ST20 |
|---|---|---|
| Professional tests (TWG score) | 74 | – |
| Tire Rack owners | 86 | – |
| Tyre Reviews owners | 90 | 81 |
Wet
Why this score
| Source | Trail Terrain TA | Grandtrek ST20 |
|---|---|---|
| Professional tests (TWG score) | 60 | – |
| Tire Rack owners | 85 | – |
| Tyre Reviews owners | 58 | 78 |
Snow
Why this score
| Source | Trail Terrain TA | Grandtrek ST20 |
|---|---|---|
| Professional tests (TWG score) | 87 | – |
| Tire Rack owners | 91 | – |
| Tyre Reviews owners | 95 | – |
Comfort
Why this score
| Source | Trail Terrain TA | Grandtrek ST20 |
|---|---|---|
| Professional tests (TWG score) | 78 | – |
| Tire Rack owners | 83 | – |
| Tyre Reviews owners | 66 | 77 |
Noise
Why this score
| Source | Trail Terrain TA | Grandtrek ST20 |
|---|---|---|
| Professional tests (TWG score) | 19 | – |
Treadwear
Why this score
| Source | Trail Terrain TA | Grandtrek ST20 |
|---|---|---|
| Tire Rack owners | 87 | – |
| Tyre Reviews owners | 85 | 83 |
Handling
Why this score
| Source | Trail Terrain TA | Grandtrek ST20 |
|---|---|---|
| Tyre Reviews owners | 64 | 79 |
Scores at a glance
| Category | BFGoodrich Trail Terrain TA | Dunlop Grandtrek ST20 |
|---|---|---|
| Relative Score | 73 | 80 |
| Dry | 80 | 81 |
| Wet | 61 | 78 |
| Snow | 90 | – |
| Comfort | 74 | 77 |
| Noise | 19 | – |
| Treadwear | 85 | 83 |
| Handling | 64 | 79 |
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
Only categories both tires have data for count toward the headline score.
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The BFGoodrich Trail Terrain T/A receives a polarized reception, praised for its aesthetic appeal, impressive snow traction, and quiet highway performance. However, significant concerns regarding wet-weather handling and inconsistent tread longevity suggest that performance may vary considerably based on vehicle weight and driving conditions.
Pros
- Excellent traction and predictability in snow and ice conditions
- Quiet highway ride quality for an all-terrain tire
- Robust sidewall durability against rocky terrain
- Attractive visual design with white lettering options
Cons
- Poor wet-weather performance and traction issues on paved surfaces
- Inconsistent tread life reports ranging from premature wear to high mileage
- Reports of excessive road noise on specific tarmac surfaces
Observations
- Users operating pickup trucks like the Toyota Hilux reported significant traction loss in wet conditions, suggesting potential issues with rear-wheel-drive bias vehicles.
- Hybrid SUV owners, such as those with the RAV4, reported high satisfaction with highway tread longevity and noise levels.
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.
Specs side by side
| Attribute | A · BFGoodrich Trail Terrain TA | B · Dunlop Grandtrek ST20 |
|---|---|---|
| Category | All Season All Terrain and Off Road tires | All Season Premium Touring tires |
| Vehicle type | — | SUV and 4x4 |
| Sizes available | 43 | — |
| Rim diameters | 15″ – 22″ | — |
| Tread depth | 11 - 13/32″ | — |
| UTQG | 660 A A - B | — |
| Sidewall | Black Side Wall - Raised Outline White Lettering | — |
| Max pressure | 44 - 51 psi | — |
Which one should you actually buy?
BFGoodrich
Dunlop
Winner: Dunlop Grandtrek ST20 — better wet, handling and comfort. It leads or ties in every category we score.
Dunlop Grandtrek ST20 scores 78 vs 61 on wet.
Dunlop Grandtrek ST20 scores 79 vs 64 on handling.
Dunlop Grandtrek ST20 scores 77 vs 74 on comfort.
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.