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Cooper Discoverer A/T3 Sport vs Toyo Open Country A/T plus — 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.
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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 A/T3 Sport | Open Country A/T plus |
|---|---|---|
| Tyre Reviews owners | 95 | 84 |
Wet
Why this score
| Source | Discoverer A/T3 Sport | Open Country A/T plus |
|---|---|---|
| Tyre Reviews owners | 85 | 73 |
Snow
Why this score
| Source | Discoverer A/T3 Sport | Open Country A/T plus |
|---|---|---|
| Tyre Reviews owners | 75 | – |
Comfort
Why this score
| Source | Discoverer A/T3 Sport | Open Country A/T plus |
|---|---|---|
| Tyre Reviews owners | 98 | 78 |
Noise
Treadwear
Why this score
| Source | Discoverer A/T3 Sport | Open Country A/T plus |
|---|---|---|
| Tyre Reviews owners | 87 | 71 |
Handling
Why this score
| Source | Discoverer A/T3 Sport | Open Country A/T plus |
|---|---|---|
| Tyre Reviews owners | 87 | 80 |
Scores at a glance
| Category | Cooper Discoverer A/T3 Sport | Toyo Open Country A/T plus |
|---|---|---|
| Relative Score | 94 | 92 |
| Dry | 99 | 96 |
| Wet | 96 | 91 |
| Snow | 89 | 91 |
| Comfort | 97 | 93 |
| Noise | 94 | 89 |
| Treadwear | 94 | 92 |
| Handling | 87 | 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 A/T plus is widely regarded as a versatile, high-value all-terrain tire that balances respectable off-road capability with commendable on-road manners. While most users praise its quiet highway performance and strong traction in mud and snow, a subset of owners reports inconsistent experiences regarding wet-weather grip and long-term balancing stability.
Pros
- Impressive highway quietness for an all-terrain tread pattern
- Strong off-road performance in mud, sand, and loose rock
- Excellent value proposition compared to premium competitors
- Durable construction capable of handling heavy towing loads
- Predictable handling and stability at highway speeds
Cons
- Reports of inconsistent wet-weather traction, particularly on freshly wet pavement
- Occasional difficulty achieving a perfect balance, leading to vibrations
- Tread life variability, with some users noting faster-than-expected wear
- Sidewall stiffness can lead to a harsh ride on lighter vehicles
Observations
- Heavy-duty truck owners (e.g., Ram 2500, F350) report excellent load-carrying capacity and stability when towing, provided proper tire pressures are maintained.
- EV owners (e.g., Rivian R1T) noted that while the tires are capable off-road, their weight and stiffness can negatively impact ride comfort and energy efficiency.
- Users of lighter vehicles like the Jeep Wrangler or Subaru Crosstrek noted that choosing the correct load rating (C vs. E) is critical to maintaining ride quality.
Specs side by side
| Attribute | A · Cooper Discoverer A/T3 Sport | B · Toyo Open Country A/T plus |
|---|---|---|
| Category | All Terrain and Off Road All Season tire | Summer Premium Touring tires |
| Vehicle type | SUV and 4x4 | SUV and 4x4 |
Which one should you actually buy?
Cooper
Toyo
Winner: Cooper Discoverer A/T3 Sport — better wet, noise and comfort. Pick the Toyo Open Country A/T plus if handling matters most to you.
Toyo Open Country A/T plus scores 93 vs 87 on handling.
Cooper Discoverer A/T3 Sport scores 96 vs 91 on wet.
Cooper Discoverer A/T3 Sport scores 94 vs 89 on noise.
Cooper Discoverer A/T3 Sport scores 97 vs 93 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.