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Sumitomo Tour+ LSW looks discontinued: no new owner reviews or road tests in five years and no current EU tyre label.

Head-to-head Updated

Cooper Discoverer HT3 vs Sumitomo Tour+ LSW — 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 97 + 7 owner reviews. How we score

Discoverer HT3 is ahead, 68–34

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Sumitomo Tour+ LSW
Tire BSumitomo

Tour+ LSW

Summer

± 8Provisional

Tests – · none yet Owners 18 · 7 reviews

Category by category

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

  1. 67

    Dry

    Discoverer HT3 +31
    36
    Why this score
    SourceDiscoverer HT3Tour+ LSW
    Professional tests (TWG score)≈ 67 (est.)≈ 47 (est.)
    Reviews found online6619

    Discoverer HT3: 60% × 67.3 (est.) + 40% × 66.2 = 67

    Tour+ LSW: 60% × 47.3 (est.) + 40% × 18.7 = 36

    No road tests of dry for Discoverer HT3. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.42).

    No road tests of dry for Tour+ LSW. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.42).

  2. 73

    Wet

    Discoverer HT3 +37
    36
    Why this score
    SourceDiscoverer HT3Tour+ LSW
    Professional tests (TWG score)≈ 73 (est.)≈ 45 (est.)
    Reviews found online7424

    Discoverer HT3: 60% × 72.5 (est.) + 40% × 73.9 = 73

    Tour+ LSW: 60% × 44.6 (est.) + 40% × 23.5 = 36

    No road tests of wet for Discoverer HT3. 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 Tour+ LSW. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).

  3. 63

    Snow

    No comparison
    –
    Why this score
    SourceDiscoverer HT3Tour+ LSW
    Professional tests (TWG score)≈ 66 (est.)–
    Reviews found online59–

    Discoverer HT3: 60% × 66.2 (est.) + 40% × 58.5 = 63

    No road tests of snow for Discoverer HT3. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.37).

  4. 59

    Comfort

    Discoverer HT3 +27
    32
    Why this score
    SourceDiscoverer HT3Tour+ LSW
    Professional tests (TWG score)≈ 66 (est.)≈ 59 (est.)
    Reviews found online5414

    Discoverer HT3: 40% × 66.3 (est.) + 60% × 53.8 = 59

    Tour+ LSW: 40% × 58.9 (est.) + 60% × 13.5 = 32

    No road tests of comfort for Discoverer HT3 or Tour+ LSW. The test half is the tested tires’ average (69): owners’ comfort ratings barely follow the road tests.

  5. 66

    Noise

    No comparison
    –
    Why this score
    SourceDiscoverer HT3Tour+ LSW
    Professional tests (TWG score)≈ 67 (est.)–
    Reviews found online66–

    Discoverer HT3: 60% × 66.6 (est.) + 40% × 66.3 = 66

    No road tests of noise for Discoverer HT3. The test half is the tested tires’ average (67): owners’ noise ratings barely follow the road tests.

  6. 67

    Treadwear

    Discoverer HT3 +34
    33
    Why this score
    SourceDiscoverer HT3Tour+ LSW
    Professional tests (TWG score)≈ 67 (est.)≈ 47 (est.)
    Reviews found online6711

    Discoverer HT3: 60% × 66.5 (est.) + 40% × 67.3 = 67

    Tour+ LSW: 60% × 47 (est.) + 40% × 11.2 = 33

    No road tests of treadwear for Discoverer HT3. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.35).

    No road tests of treadwear for Tour+ LSW. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.35).

  7. 63

    Handling (owners)

    Discoverer HT3 +44
    19
    Why this score
    SourceDiscoverer HT3Tour+ LSW
    Reviews found online6319
Scores at a glance
CategoryCooper Discoverer HT3Sumitomo Tour+ LSW
Relative Score 68 34
Dry 67 36
Wet 73 36
Snow 63 –
Comfort 59 32
Noise 66 –
Treadwear 67 33
Handling (owners) 63 19

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
Recomputed
Headline score
± 8

Discoverer HT3

± 8

Tour+ LSW

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 HT3

Pros

  • Smooth and comfortable ride quality
  • Excellent highway handling and wet-weather traction
  • Strong performance and stability while towing heavy fifth-wheel trailers

Cons

  • Some users reported higher-than-expected road noise on the highway
  • A few reviewers experienced faster tread wear than anticipated
  • Occasional complaints regarding isolated product defects such as blowouts
All owner themes in the Discoverer HT3 review

Tire B Tour+ LSW

Pros

  • Quiet and smooth ride quality
  • Competent performance in rain and snow for some users
  • Cost-effective alternative to premium brands

Cons

  • Severe and persistent vibration issues
  • Difficulty maintaining wheel balance
  • Reports of structural belt defects and blowouts
All owner themes in the Tour+ LSW review

Specs side by side

Attribute A · Cooper Discoverer HT3 B · Sumitomo Tour+ LSW
CategoryAll-Season tireSummer
Vehicle typeSUV and 4x4Passenger Car / Crossover
Sizes available17—
Rim diameters15″ – 20″—
Tread depth14 - 15/32″—
Treadwear warranty50,000 mi—
SidewallBlack Side Wall—
Max pressure50 - 83 psi—

Which one should you actually buy?

Cooper Discoverer HT3

Sumitomo Tour+ LSW

Winner: Cooper Discoverer HT3 — better handling, wet and treadwear. It leads or ties in every category we score. Sumitomo Tour+ LSW rests on little evidence so far (0 tests, 7 reviews), so read this result as provisional.

Pick tire A You enjoy sharp, responsive handling

Cooper Discoverer HT3 scores 63 vs 19 on handling.

Pick tire A Your priority is wet-weather safety

Cooper Discoverer HT3 scores 73 vs 36 on wet.

Pick tire A You want the longest tread life

Cooper Discoverer HT3 scores 67 vs 33 on treadwear.

Pick tire A You want the most grip on dry roads

Cooper Discoverer HT3 scores 67 vs 36 on dry.

Tire A · Cooper Discoverer HT3
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Tire B · Sumitomo Tour+ LSW
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Discoverer HT3 or Tour+ LSW?

Which is better in the wet, Discoverer HT3 or Tour+ LSW?

Cooper Discoverer HT3, 73 vs 36 on our wet score.

Which grips better on dry roads, Discoverer HT3 or Tour+ LSW?

Cooper Discoverer HT3, 67 vs 36 on our dry score.

Which is more comfortable, Discoverer HT3 or Tour+ LSW?

Cooper Discoverer HT3, 59 vs 32 on our comfort score.

Which lasts longer, Discoverer HT3 or Tour+ LSW?

Cooper Discoverer HT3, 67 vs 33 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