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 S/T Maxx | Open Country M/T |
|---|---|---|
| Tire Rack owners | 84 | 84 |
| Tyre Reviews owners | 92 | 73 |
| SimpleTire owners | 98 | 97 |
| America's Tire owners | 95 | – |
| Source | Discoverer S/T Maxx | Open Country M/T |
|---|---|---|
| Tire Rack owners | 89 | 95 |
| Tyre Reviews owners | 77 | 70 |
| SimpleTire owners | 96 | 93 |
| America's Tire owners | 89 | – |
| Source | Discoverer S/T Maxx | Open Country M/T |
|---|---|---|
| Tire Rack owners | 87 | 88 |
| Tyre Reviews owners | 70 | 68 |
| SimpleTire owners | 90 | 90 |
| Source | Discoverer S/T Maxx | Open Country M/T |
|---|---|---|
| Tire Rack owners | 86 | 83 |
| Tyre Reviews owners | 70 | 60 |
| SimpleTire owners | 92 | 91 |
| America's Tire owners | 86 | – |
| Source | Discoverer S/T Maxx | Open Country M/T |
|---|---|---|
| SimpleTire owners | 86 | 82 |
| America's Tire owners | 81 | – |
| Source | Discoverer S/T Maxx | Open Country M/T |
|---|---|---|
| Tire Rack owners | 74 | 80 |
| Tyre Reviews owners | 87 | 72 |
| SimpleTire owners | 90 | 90 |
| America's Tire owners | 87 | – |
| Source | Discoverer S/T Maxx | Open Country M/T |
|---|---|---|
| Tyre Reviews owners | 78 | 70 |
| America's Tire owners | 85 | – |
| Category | Cooper Discoverer S/T Maxx | Toyo Open Country M/T |
|---|---|---|
| Relative Score | 88 | 90 |
| Dry | 95 | 95 |
| Wet | 90 | 91 |
| Snow | 87 | 89 |
| Comfort | 87 | 90 |
| Noise | 82 | 85 |
| Treadwear | 87 | 89 |
| Handling | 84 | 91 |
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
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
Not enough owner reviews yet to extract themes.
The Toyo Open Country M/T is widely regarded as a premium, high-performance mud-terrain tire that balances aggressive off-road capability with surprisingly refined on-road manners. While users frequently praise its exceptional durability, puncture resistance, and longevity, some note that its heavy construction can impact fuel economy and ride comfort on pavement.
| Attribute | A · Cooper Discoverer S/T Maxx | B · Toyo Open Country M/T |
|---|---|---|
| Category | — | All Season All Terrain and Off Road tires |
| Vehicle type | — | SUV and 4x4 |
| Sizes available | 30 | 35 |
| Rim diameters | 16″ – 20″ | 16″ – 24″ |
| Tread depth | 19/32″ | 18.4/32″ |
| Sidewall | Black Side Wall - Raised Outline White Lettering | Blackwall |
| Max pressure | 35 - 80 psi | 80 psi |
Cooper
Toyo
Winner: Toyo Open Country M/T — better handling, comfort and noise. It leads or ties in every category we score.
Toyo Open Country M/T scores 91 vs 84 on handling.
Toyo Open Country M/T scores 90 vs 87 on comfort.
Toyo Open Country M/T scores 85 vs 82 on noise.
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.
