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Cooper Discoverer A/TR looks discontinued: no new owner reviews or road tests in five years and no current EU tyre label.

Head-to-head Updated

Cooper Discoverer A/TR vs Firestone Transforce AT2 — Compared

Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews (comfort 40/60). Based on 0 + 0 road tests and 11 + 17 owner reviews. How we score

Transforce AT2 leads, 69–67 Narrow edge

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Cooper Discoverer A/TR
Tire ACooper

Discoverer A/TR

All-Terrain tire

± 8Provisional

Tests – · none yet Owners 65 · 11 reviews

Category by category

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

  1. 68

    Dry

    Transforce AT2 +1
    69
    Why this score
    SourceDiscoverer A/TRTransforce AT2
    Professional tests (TWG score)≈ 68 (est.)≈ 69 (est.)
    Reviews found online6769

    Discoverer A/TR: 60% × 67.7 (est.) + 40% × 67.4 = 68

    Transforce AT2: 60% × 68.5 (est.) + 40% × 69.4 = 69

    No road tests of dry for Discoverer A/TR. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).

    No road tests of dry for Transforce AT2. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).

  2. 68

    Wet

    Transforce AT2 +4
    72
    Why this score
    SourceDiscoverer A/TRTransforce AT2
    Professional tests (TWG score)≈ 69 (est.)≈ 71 (est.)
    Reviews found online6772

    Discoverer A/TR: 60% × 68.9 (est.) + 40% × 67.4 = 68

    Transforce AT2: 60% × 71.3 (est.) + 40% × 71.8 = 72

    No road tests of wet for Discoverer A/TR. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).

    No road tests of wet for Transforce AT2. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).

  3. –

    Snow

    No comparison
    72
    Why this score
    SourceDiscoverer A/TRTransforce AT2
    Professional tests (TWG score)–≈ 71 (est.)
    Reviews found online–73

    Transforce AT2: 60% × 71.2 (est.) + 40% × 72.6 = 72

    No road tests of snow for Transforce AT2. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.32).

  4. 65

    Comfort

    Discoverer A/TR +6
    59
    Why this score
    SourceDiscoverer A/TRTransforce AT2
    Professional tests (TWG score)≈ 67 (est.)≈ 66 (est.)
    Reviews found online6354

    Discoverer A/TR: 40% × 67.5 (est.) + 60% × 62.8 = 65

    Transforce AT2: 40% × 65.8 (est.) + 60% × 54.3 = 59

    No road tests of comfort for Discoverer A/TR. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).

    No road tests of comfort for Transforce AT2. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).

  5. –

    Noise

    No comparison
    69
    Why this score
    SourceDiscoverer A/TRTransforce AT2
    Professional tests (TWG score)–≈ 66 (est.)
    Reviews found online–74

    Transforce AT2: 60% × 66.4 (est.) + 40% × 73.5 = 69

    No road tests of noise for Transforce AT2. The test half is the tested tires’ average (66): owners’ noise ratings barely follow the road tests.

  6. 64

    Treadwear

    Transforce AT2 +7
    71
    Why this score
    SourceDiscoverer A/TRTransforce AT2
    Professional tests (TWG score)≈ 65 (est.)≈ 69 (est.)
    Reviews found online6274

    Discoverer A/TR: 60% × 64.9 (est.) + 40% × 62.1 = 64

    Transforce AT2: 60% × 69.3 (est.) + 40% × 74.2 = 71

    No road tests of treadwear for Discoverer A/TR. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).

    No road tests of treadwear for Transforce AT2. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).

  7. 59

    Handling (owners)

    No comparison
    –
    Why this score
    SourceDiscoverer A/TRTransforce AT2
    Reviews found online59–
Scores at a glance
CategoryCooper Discoverer A/TRFirestone Transforce AT2
Relative Score 67 69
Dry 68 69
Wet 68 72
Snow – 72
Comfort 65 59
Noise – 69
Treadwear 64 71
Handling (owners) 59 –

Higher is better. The Relative Score follows your weights below; category scores do not change.

Weight the categories that matter to you

Wet grip starts at “Important”. Treadwear starts at “Neutral” here: road tests measured it for at most one of the two tires, so it rests on owner reviews. Move the sliders and the scores update instantly.

Important
NotLessNeutralImportantMost
Important
NotLessNeutralImportantMost
Neutral
NotLessNeutralImportantMost

Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.

Less important
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost

Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.

Neutral
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost

Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.

Recomputed
Headline score
± 8

Discoverer A/TR

± 8

Transforce AT2

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 Discoverer A/TR

Pros

  • Remarkably low road noise for an all-terrain tire with a deep, chunky tread.
  • Excellent wet weather performance and resistance to aquaplaning.
  • Long-lasting tread life with high mileage capabilities (some users exceeding 50,000 to 80,000+ kms).

Cons

  • Some instances of severe edge chipping and cuts to the steel when used on rough outback gravel roads.
  • Tramlining effects in the steering as the tires wear down.
  • Off-road capability diminishes noticeably as the tread wears past a certain point.
All owner themes in the Discoverer A/TR review

Tire B Transforce AT2

Pros

  • Excellent value and competitive price point for a commercial line tire
  • Quiet on-road operation despite the deep, aggressive tread design
  • Reliable durability and high mileage potential based on long-term user history

Cons

  • Prone to highway wandering and tracking grooves or ridges in the road
  • Difficulty in achieving proper road balance, causing high-speed vibrations
  • Unstable or 'floaty' feel at highway speeds for specific heavy-duty applications
All owner themes in the Transforce AT2 review

Specs side by side

Attribute A · Cooper Discoverer A/TR B · Firestone Transforce AT2
CategoryAll-Terrain tireAll-Terrain tire
Vehicle typeSUV and 4x4SUV and 4x4
Sizes available—17
Rim diameters—16″ – 20″
Tread depth—32/32″
Sidewall—Outlined White Lettering
Max pressure—80 psi

Which one should you actually buy?

Cooper Discoverer A/TR

Firestone Transforce AT2

Narrow edge: Firestone Transforce AT2 — better treadwear and wet. Pick the Cooper Discoverer A/TR if comfort matters most to you. Cooper Discoverer A/TR rests on little evidence so far (0 tests, 11 reviews), so read this result as provisional. Firestone Transforce AT2 rests on little evidence so far (0 tests, 17 reviews), so read this result as provisional.

Pick tire B You want the longest tread life

Firestone Transforce AT2 scores 71 vs 64 on treadwear.

Pick tire A You want the most comfortable ride

Cooper Discoverer A/TR scores 65 vs 59 on comfort.

Pick tire B Your priority is wet-weather safety

Firestone Transforce AT2 scores 72 vs 68 on wet.

Tire A · Cooper Discoverer A/TR
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Tire B · Firestone Transforce AT2
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Discoverer A/TR or Transforce AT2?

Which is better in the wet, Discoverer A/TR or Transforce AT2?

Firestone Transforce AT2, 72 vs 68 on our wet score.

Which grips better on dry roads, Discoverer A/TR or Transforce AT2?

Neither, by our numbers: 68 vs 69 on the dry score, within 3 points.

Which is more comfortable, Discoverer A/TR or Transforce AT2?

Cooper Discoverer A/TR, 65 vs 59 on our comfort score.

Which lasts longer, Discoverer A/TR or Transforce AT2?

Firestone Transforce AT2, 71 vs 64 on our treadwear score.

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.

Handling is the exception: road tests measure it inside the dry and wet scores, so its own row comes from owner ratings only and starts as less important.

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