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Head-to-head Updated

BFGoodrich Trail-Terrain T/A vs Dunlop Grandtrek ST20 — Compared

Relative Score (0–100): 60% professional tests, 40% owner reviews.

Trail-Terrain T/A leads, 71–69 Narrow edge

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Category by category

Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.

  1. 73

    Dry

    Trail-Terrain T/A +5
    68
    Why this score
    SourceTrail-Terrain T/AGrandtrek ST20
    Reviews found online7668
  2. 69

    Wet

    Grandtrek ST20 +2
    71
    Why this score
    SourceTrail-Terrain T/AGrandtrek ST20
    Reviews found online6972
  3. 77

    Snow

    No comparison
    –
    Why this score
    SourceTrail-Terrain T/AGrandtrek ST20
    Reviews found online82–
  4. 69

    Comfort

    Trail-Terrain T/A +1
    68
    Why this score
    SourceTrail-Terrain T/AGrandtrek ST20
    Reviews found online6968
  5. 68

    Noise

    No comparison
    –
    Why this score
    SourceTrail-Terrain T/AGrandtrek ST20
    Reviews found online70–
  6. 71

    Treadwear

    Trail-Terrain T/A +3
    68
    Why this score
    SourceTrail-Terrain T/AGrandtrek ST20
    Reviews found online7569
  7. 69

    Handling

    Grandtrek ST20 +1
    70
    Why this score
    SourceTrail-Terrain T/AGrandtrek ST20
    Reviews found online6970
Scores at a glance
CategoryBFGoodrich Trail-Terrain T/ADunlop Grandtrek ST20
Relative Score 71 69
Dry 73 68
Wet 69 71
Snow 77 –
Comfort 69 68
Noise 68 –
Treadwear 71 68
Handling 69 70

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.

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Recomputed
Headline score

Trail-Terrain T/A

Grandtrek ST20

Only categories both tires have data for count toward the headline score.

Pros, cons & observations

Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.

Tire A Trail-Terrain T/A

Pros

  • Surprisingly low road noise for an all-terrain tire
  • Excellent traction and predictability in snow and winter conditions
  • Good ride comfort and smoothness on paved roads

Cons

  • Some users report poor wet weather traction and rear-wheel slippage
  • A minority of reviewers noted high noise levels on paved tarmac
  • Concerns regarding longevity with some users experiencing faster tread wear
All owner themes in the Trail-Terrain T/A review

Tire B Grandtrek ST20

Pros

  • Impressive tread life and overall durability
  • Consistent and predictable handling in mixed weather conditions
  • Strong performance for light off-road and towing applications

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
All owner themes in the Grandtrek ST20 review

Specs side by side

Attribute A · BFGoodrich Trail-Terrain T/A B · Dunlop Grandtrek ST20
CategoryAll SeasonAll Season
Vehicle typeSUV and 4x4SUV and 4x4
Sizes available503
Rim diameters15″ – 22″16″ – 17″
Tread depth11 - 13/32″—
UTQG660 A A - B—
SidewallBlack Side Wall - Raised Outline White Lettering—
Max pressure44 - 51 psi—

Which one should you actually buy?

BFGoodrich Trail-Terrain T/A

Dunlop Grandtrek ST20

Winner: BFGoodrich Trail-Terrain T/A — better dry and treadwear. It leads or ties in every category we score.

Pick tire A You want the most grip on dry roads

BFGoodrich Trail-Terrain T/A scores 73 vs 68 on dry.

Pick tire A You want the longest tread life

BFGoodrich Trail-Terrain T/A scores 71 vs 68 on treadwear.

Tire A · BFGoodrich Trail-Terrain T/A
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Tire B · Dunlop Grandtrek ST20
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How do we compare tires?

Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements), each result compared with every other tire in the same test and newer tests counting more. 40% comes from owner reviews found online, adjusted for how generously each site rates. Both use one scale: the average tested tire gets 70, the best 100. When a tire has only one of the two, the missing half is estimated from the other and the score stays closer to average; with no road test and fewer than five owner reviews it gets no score yet.

Community buzz from Reddit and forums is shown for context only — it never changes the score.

71

Narrow edge

Trail-Terrain T/A

Amazon