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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Prices change daily — check the retailer for your size.
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Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
| Source | Discoverer HT3 | Tour+ LSW |
|---|---|---|
| Tire Rack owners | 87 | – |
| Tyre Reviews owners | – | 55 |
| SimpleTire owners | 93 | – |
| America's Tire owners | 94 | – |
| Source | Discoverer HT3 | Tour+ LSW |
|---|---|---|
| Tire Rack owners | 74 | – |
| Tyre Reviews owners | – | 38 |
| SimpleTire owners | 94 | – |
| America's Tire owners | 91 | – |
| Source | Discoverer HT3 | Tour+ LSW |
|---|---|---|
| Tire Rack owners | 90 | – |
| SimpleTire owners | 80 | – |
| Source | Discoverer HT3 | Tour+ LSW |
|---|---|---|
| Tire Rack owners | 71 | – |
| Tyre Reviews owners | – | 35 |
| SimpleTire owners | 84 | – |
| America's Tire owners | 88 | – |
| Source | Discoverer HT3 | Tour+ LSW |
|---|---|---|
| SimpleTire owners | 84 | – |
| America's Tire owners | 90 | – |
| Source | Discoverer HT3 | Tour+ LSW |
|---|---|---|
| Tire Rack owners | 86 | – |
| Tyre Reviews owners | – | 33 |
| SimpleTire owners | 87 | – |
| America's Tire owners | 90 | – |
| Source | Discoverer HT3 | Tour+ LSW |
|---|---|---|
| Tyre Reviews owners | – | 40 |
| America's Tire owners | 91 | – |
| Category | Cooper Discoverer HT3 | Sumitomo Tour+ LSW |
|---|---|---|
| Relative Score | 97 | 39 |
| Dry | 99 | 55 |
| Wet | 97 | 38 |
| Snow | 91 | – |
| Comfort | 97 | 35 |
| Noise | 94 | – |
| Treadwear | 95 | 33 |
| Handling | – | 40 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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.
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
Not enough owner reviews yet to extract themes.
The Sumitomo Tour+ LSW receives predominantly negative feedback, with a significant number of users reporting severe quality control issues. While a small minority of owners appreciate the ride comfort and wet weather performance, the consensus is heavily marred by persistent vibrations, balancing difficulties, and reports of structural defects.
| Attribute | A · Cooper Discoverer HT3 | B · Sumitomo Tour+ LSW |
|---|---|---|
| Category | — | Summer Touring tires |
| Vehicle type | — | Passenger Car / Crossover |
| Sizes available | 17 | — |
| Rim diameters | 15″ – 20″ | — |
| Tread depth | 14 - 15/32″ | — |
| Treadwear warranty | 50,000 mi | — |
| Sidewall | Black Side Wall | — |
| Max pressure | 50 - 83 psi | — |
Cooper
Sumitomo
Winner: Cooper Discoverer HT3 — better comfort, treadwear and wet. It leads or ties in every category we score.
Cooper Discoverer HT3 scores 97 vs 35 on comfort.
Cooper Discoverer HT3 scores 95 vs 33 on treadwear.
Cooper Discoverer HT3 scores 97 vs 38 on wet.
Cooper Discoverer HT3 scores 99 vs 55 on dry.
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.
