Prices change daily — check the retailer for your size.
Cooper Discoverer STT PRO vs Toyo Open Country WT — Compared (May 2026)
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.
Prices change daily — check the retailer for your size.
TireWheelGuide may earn a commission from purchases made via links on this page.
7 categories, side by side
Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
Dry
Why this score
| Source | Discoverer STT PRO | Open Country WT |
|---|---|---|
| Tire Rack owners | 87 | – |
| Tyre Reviews owners | 81 | 88 |
| SimpleTire owners | 94 | – |
| America's Tire owners | 96 | – |
Wet
Why this score
| Source | Discoverer STT PRO | Open Country WT |
|---|---|---|
| Tire Rack owners | 93 | – |
| Tyre Reviews owners | 71 | 93 |
| SimpleTire owners | 91 | – |
| America's Tire owners | 91 | – |
Snow
Why this score
| Source | Discoverer STT PRO | Open Country WT |
|---|---|---|
| Tire Rack owners | 90 | – |
| Tyre Reviews owners | 63 | 80 |
| SimpleTire owners | 91 | – |
Comfort
Why this score
| Source | Discoverer STT PRO | Open Country WT |
|---|---|---|
| Tire Rack owners | 81 | – |
| Tyre Reviews owners | 66 | 85 |
| SimpleTire owners | 89 | – |
| America's Tire owners | 88 | – |
Noise
Why this score
| Source | Discoverer STT PRO | Open Country WT |
|---|---|---|
| SimpleTire owners | 79 | – |
| America's Tire owners | 78 | – |
Treadwear
Why this score
| Source | Discoverer STT PRO | Open Country WT |
|---|---|---|
| Tire Rack owners | 75 | – |
| Tyre Reviews owners | 90 | 90 |
| SimpleTire owners | 84 | – |
| America's Tire owners | 87 | – |
Handling
Why this score
| Source | Discoverer STT PRO | Open Country WT |
|---|---|---|
| Tyre Reviews owners | 70 | 88 |
| America's Tire owners | 90 | – |
Scores at a glance
| Category | Cooper Discoverer STT PRO | Toyo Open Country WT |
|---|---|---|
| Relative Score | 88 | 90 |
| Dry | 95 | 95 |
| Wet | 91 | 91 |
| Snow | 88 | 82 |
| Comfort | 88 | 91 |
| Noise | 78 | 89 |
| Treadwear | 86 | 88 |
| Handling | 89 | 93 |
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.
Tire A
Tire B
Pros, cons & observations
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 WT is widely regarded as a highly capable, durable mud-terrain tire that balances aggressive off-road performance with surprisingly refined on-road manners. While most users praise its longevity and traction in mud, snow, and rain, a minority of owners report issues with ride harshness and balancing, particularly on heavy-duty trucks.
Pros
- Exceptional off-road traction in mud, dirt, and sand
- Impressive tread life and durability for a mud-terrain tire
- Surprisingly low road noise compared to competitors
- Strong performance in wet and snowy conditions
- Aesthetically aggressive design
Cons
- High price point compared to other options
- Occasional reports of balancing issues or high-speed vibrations
- Can feel harsh or stiff on pavement, especially on heavy-duty trucks
- Initial 'break-in' period required for optimal traction
Observations
- Owners of heavy-duty diesel trucks (e.g., F350, Ram 2500) report the most polarized experiences, with some citing excellent towing stability and others noting a harsh, 'white-knuckle' ride on pavement.
- Jeep Wrangler and SUV owners frequently highlight the tire's ability to maintain a smooth, quiet ride during daily commuting while remaining highly capable on trails.
- Users note that proper rotation is critical to preventing uneven wear, particularly on heavier vehicles.
Specs side by side
| Attribute | A · Cooper Discoverer STT PRO | B · Toyo Open Country WT |
|---|---|---|
| Category | All Season All Terrain and Off Road tires | Winter Touring tires |
| Vehicle type | SUV and 4x4 | SUV and 4x4 |
| Sizes available | 23 | — |
| Rim diameters | 16″ – 20″ | — |
| Tread depth | 18 - 22/32″ | — |
| Sidewall | Black Side Wall - Raised White Lettering | — |
| Max pressure | 35 - 80 psi | — |
Which one should you actually buy?
Cooper
Toyo
Winner: Toyo Open Country WT — better noise, handling and comfort. Pick the Cooper Discoverer STT PRO if snow matters most to you.
Toyo Open Country WT scores 89 vs 78 on noise.
Cooper Discoverer STT PRO scores 88 vs 82 on snow.
Toyo Open Country WT scores 93 vs 89 on handling.
Toyo Open Country WT scores 91 vs 88 on comfort.
How do we compare tires?
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.