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Head-to-head Updated May 2026

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.

Tire A Cooper

Cooper Discoverer A/T3 Sport

All Terrain and Off Road All Season tire

Cooper Discoverer A/T3 Sport tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
95/100
44 owner reviews
Dry
99
Wet
96
Snow
89
Comfort
97
Noise
94
Treadwear
94
Handling
87

Prices change daily — check the retailer for your size.

VS
Tire B Toyo

Toyo Open Country A/T plus

Summer Premium Touring tires

Toyo Open Country A/T plus tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
92/100
807 owner reviews
Dry
96
Wet
91
Snow
91
Comfort
93
Noise
89
Treadwear
92
Handling
93

Prices change daily — check the retailer for your size.

VerdictWinner: Cooper Discoverer A/T3 Sport — better wet, noise and comfort. Pick the Toyo Open Country A/T plus if handling matters most to you.
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Category breakdown

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

Weight: Neutral
Score (0–100) Discoverer A/T3 Sport leads by 3
A — Cooper Discoverer A/T3 Sport
99
B — Toyo Open Country A/T plus
96
Why this score
SourceDiscoverer A/T3 SportOpen Country A/T plus
Tyre Reviews owners 95 84

Wet

Weight: Important
Score (0–100) Discoverer A/T3 Sport leads by 5
A — Cooper Discoverer A/T3 Sport
96
B — Toyo Open Country A/T plus
91
Why this score
SourceDiscoverer A/T3 SportOpen Country A/T plus
Tyre Reviews owners 85 73

Snow

Weight: Neutral
Score (0–100) Open Country A/T plus leads by 2
A — Cooper Discoverer A/T3 Sport
89
B — Toyo Open Country A/T plus
91
Why this score
SourceDiscoverer A/T3 SportOpen Country A/T plus
Tyre Reviews owners 75 –

Comfort

Weight: Neutral
Score (0–100) Discoverer A/T3 Sport leads by 4
A — Cooper Discoverer A/T3 Sport
97
B — Toyo Open Country A/T plus
93
Why this score
SourceDiscoverer A/T3 SportOpen Country A/T plus
Tyre Reviews owners 98 78

Noise

Weight: Neutral
Score (0–100) Discoverer A/T3 Sport leads by 5
A — Cooper Discoverer A/T3 Sport
94
B — Toyo Open Country A/T plus
89

Treadwear

Weight: Important
Score (0–100) Discoverer A/T3 Sport leads by 2
A — Cooper Discoverer A/T3 Sport
94
B — Toyo Open Country A/T plus
92
Why this score
SourceDiscoverer A/T3 SportOpen Country A/T plus
Tyre Reviews owners 87 71

Handling

Weight: Neutral
Score (0–100) Open Country A/T plus leads by 6
A — Cooper Discoverer A/T3 Sport
87
B — Toyo Open Country A/T plus
93
Why this score
SourceDiscoverer A/T3 SportOpen Country A/T plus
Tyre Reviews owners 87 80

Scores at a glance

Cooper Discoverer A/T3 Sport vs Toyo Open Country A/T plus: scores by category (0–100)
CategoryCooper Discoverer A/T3 SportToyo 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.

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Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.

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Recomputed
Headline score

Tire A

Tire B

From owners

Pros, cons & observations

Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.

Tire A Cooper Discoverer A/T3 Sport

Not enough owner reviews yet to extract themes.

Tire B Toyo Open Country A/T plus

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.
Specifications

Specs side by side

Attribute A · Cooper Discoverer A/T3 Sport B · Toyo Open Country A/T plus
CategoryAll Terrain and Off Road All Season tireSummer Premium Touring tires
Vehicle typeSUV and 4x4SUV and 4x4
Final verdict

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.

Pick tire B You enjoy sharp, responsive handling

Toyo Open Country A/T plus scores 93 vs 87 on handling.

Pick tire A Your priority is wet-weather safety

Cooper Discoverer A/T3 Sport scores 96 vs 91 on wet.

Pick tire A You want a quieter cabin

Cooper Discoverer A/T3 Sport scores 94 vs 89 on noise.

Pick tire A You want the most comfortable ride

Cooper Discoverer A/T3 Sport scores 97 vs 93 on comfort.

Tire A · Cooper Discoverer A/T3 Sport
Tire B · Toyo Open Country A/T plus

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.