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Head-to-head Updated May 2026

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.

Tire A Cooper

Cooper Discoverer STT PRO

All Season All Terrain and Off Road tires

Cooper Discoverer STT PRO tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
88/100
356 owner reviews
Dry
95
Wet
91
Snow
88
Comfort
88
Noise
78
Treadwear
86
Handling
89

Prices change daily — check the retailer for your size.

VS
Tire B Toyo

Toyo Open Country WT

Winter Touring tires

Toyo Open Country WT tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
90/100
102 owner reviews
Dry
95
Wet
91
Snow
82
Comfort
91
Noise
89
Treadwear
88
Handling
93

Prices change daily — check the retailer for your size.

VerdictWinner: Toyo Open Country WT — better noise, handling and comfort. Pick the Cooper Discoverer STT PRO if snow 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)
A — Cooper Discoverer STT PRO
95
B — Toyo Open Country WT
95
Why this score
SourceDiscoverer STT PROOpen Country WT
Tire Rack owners 87 –
Tyre Reviews owners 81 88
SimpleTire owners 94 –
America's Tire owners 96 –

Wet

Weight: Important
Score (0–100)
A — Cooper Discoverer STT PRO
91
B — Toyo Open Country WT
91
Why this score
SourceDiscoverer STT PROOpen Country WT
Tire Rack owners 93 –
Tyre Reviews owners 71 93
SimpleTire owners 91 –
America's Tire owners 91 –

Snow

Weight: Neutral
Score (0–100) Discoverer STT PRO leads by 6
A — Cooper Discoverer STT PRO
88
B — Toyo Open Country WT
82
Why this score
SourceDiscoverer STT PROOpen Country WT
Tire Rack owners 90 –
Tyre Reviews owners 63 80
SimpleTire owners 91 –

Comfort

Weight: Neutral
Score (0–100) Open Country WT leads by 3
A — Cooper Discoverer STT PRO
88
B — Toyo Open Country WT
91
Why this score
SourceDiscoverer STT PROOpen Country WT
Tire Rack owners 81 –
Tyre Reviews owners 66 85
SimpleTire owners 89 –
America's Tire owners 88 –

Noise

Weight: Neutral
Score (0–100) Open Country WT leads by 11
A — Cooper Discoverer STT PRO
78
B — Toyo Open Country WT
89
Why this score
SourceDiscoverer STT PROOpen Country WT
SimpleTire owners 79 –
America's Tire owners 78 –

Treadwear

Weight: Important
Score (0–100) Open Country WT leads by 2
A — Cooper Discoverer STT PRO
86
B — Toyo Open Country WT
88
Why this score
SourceDiscoverer STT PROOpen Country WT
Tire Rack owners 75 –
Tyre Reviews owners 90 90
SimpleTire owners 84 –
America's Tire owners 87 –

Handling

Weight: Neutral
Score (0–100) Open Country WT leads by 4
A — Cooper Discoverer STT PRO
89
B — Toyo Open Country WT
93
Why this score
SourceDiscoverer STT PROOpen Country WT
Tyre Reviews owners 70 88
America's Tire owners 90 –

Scores at a glance

Cooper Discoverer STT PRO vs Toyo Open Country WT: scores by category (0–100)
CategoryCooper Discoverer STT PROToyo 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.

Personalize

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.

Neutral
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Important
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Neutral
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Neutral
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Neutral
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Important
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Neutral
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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 STT PRO

Not enough owner reviews yet to extract themes.

Tire B Toyo Open Country WT

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.
Specifications

Specs side by side

Attribute A · Cooper Discoverer STT PRO B · Toyo Open Country WT
CategoryAll Season All Terrain and Off Road tiresWinter Touring tires
Vehicle typeSUV and 4x4SUV and 4x4
Sizes available23—
Rim diameters16″ – 20″—
Tread depth18 - 22/32″—
SidewallBlack Side Wall - Raised White Lettering—
Max pressure35 - 80 psi—
Final verdict

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.

Pick tire B You want a quieter cabin

Toyo Open Country WT scores 89 vs 78 on noise.

Pick tire A You drive through snowy winters

Cooper Discoverer STT PRO scores 88 vs 82 on snow.

Pick tire B You enjoy sharp, responsive handling

Toyo Open Country WT scores 93 vs 89 on handling.

Pick tire B You want the most comfortable ride

Toyo Open Country WT scores 91 vs 88 on comfort.

Tire A · Cooper Discoverer STT PRO
Tire B · Toyo Open Country WT

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.