Skip to content
tirewheelguide.com
Head-to-head Updated May 2026

Cooper Discoverer AT3 LT vs Kumho Road Venture AT51 — 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 AT3 LT

Premium Touring All Season tire

Cooper Discoverer AT3 LT tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
94/100
191 owner reviews
Dry
97
Wet
95
Snow
91
Comfort
94
Noise
92
Treadwear
93
Handling
94
Check price on Amazon

Prices change daily — check the retailer for your size.

VS
Tire B Kumho

Kumho Road Venture AT51

Kumho Road Venture AT51 tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
91/100
71 owner reviews
Dry
95
Wet
90
Snow
88
Comfort
92
Noise
92
Treadwear
91
Handling
91
Check price on Amazon

Prices change daily — check the retailer for your size.

VerdictWinner: Cooper Discoverer AT3 LT — better wet, snow and handling. It leads or ties in every category we score.
Read full

TireWheelGuide may earn a commission from purchases made via links on this page.

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 AT3 LT leads by 2
A
97
B
95
Why this score
SourceDiscoverer AT3 LTRoad Venture AT51
Tire Rack owners – 83
Tyre Reviews owners 85 83
SimpleTire owners 100 96
America's Tire owners 97 –

Wet

Weight: Important
Score (0–100) Discoverer AT3 LT leads by 5
A
95
B
90
Why this score
SourceDiscoverer AT3 LTRoad Venture AT51
Tire Rack owners – 80
Tyre Reviews owners 85 73
SimpleTire owners 95 93
America's Tire owners 94 –

Snow

Weight: Neutral
Score (0–100) Discoverer AT3 LT leads by 3
A
91
B
88
Why this score
SourceDiscoverer AT3 LTRoad Venture AT51
Tire Rack owners – 87
Tyre Reviews owners 90 80
SimpleTire owners 93 90

Comfort

Weight: Neutral
Score (0–100) Discoverer AT3 LT leads by 2
A
94
B
92
Why this score
SourceDiscoverer AT3 LTRoad Venture AT51
Tire Rack owners – 79
Tyre Reviews owners 75 80
SimpleTire owners 95 92
America's Tire owners 94 –

Noise

Weight: Neutral
Score (0–100)
A
92
B
92
Why this score
SourceDiscoverer AT3 LTRoad Venture AT51
SimpleTire owners 93 85
America's Tire owners 92 –

Treadwear

Weight: Important
Score (0–100) Discoverer AT3 LT leads by 2
A
93
B
91
Why this score
SourceDiscoverer AT3 LTRoad Venture AT51
Tire Rack owners – 80
Tyre Reviews owners 40 70
SimpleTire owners 100 86
America's Tire owners 93 –

Handling

Weight: Neutral
Score (0–100) Discoverer AT3 LT leads by 3
A
94
B
91
Why this score
SourceDiscoverer AT3 LTRoad Venture AT51
Tyre Reviews owners 45 73
America's Tire owners 94 –

Scores at a glance

CategoryCooper Discoverer AT3 LTKumho Road Venture AT51
Relative Score 94 91
Dry 97 95
Wet 95 90
Snow 91 88
Comfort 94 92
Noise 92 92
Treadwear 93 91
Handling 94 91

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
NoneLessNeutralMoreMost
Important
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Important
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
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 AT3 LT

Not enough owner reviews yet to extract themes.

Tire B Kumho Road Venture AT51

The Kumho Road Venture A/T51 is widely regarded as a high-value, all-terrain tire that excels in noise reduction and comfort compared to more aggressive competitors. While most users praise its performance in snow, rain, and gravel, a minority of owners report issues with uneven wear, balancing difficulties, and durability concerns.

Pros

  • Exceptional noise levels for an all-terrain tire
  • Strong value proposition and competitive pricing
  • Reliable traction in snow, ice, and wet conditions
  • Comfortable ride quality on various road surfaces

Cons

  • Reports of premature tread wear and cupping
  • Occasional balancing issues causing vibrations
  • Some concerns regarding puncture resistance
  • Inconsistent performance in deep mud

Observations

  • Users transitioning from more aggressive tires (like the BFG KO2) on Jeeps and trucks frequently report a significant improvement in cabin quietness.
  • Heavy-duty truck owners occasionally report ride quality issues, such as shaking or bouncing, which may be sensitive to specific PSI adjustments.
  • The tire is noted for maintaining good performance characteristics on both older SUVs and modern electric vehicles.
Specifications

Specs side by side

Attribute A · Cooper Discoverer AT3 LT B · Kumho Road Venture AT51
CategoryPremium Touring All Season tire—
Vehicle typeSUV and 4x4—
Sizes available99
Rim diameters16″ – 18″15″ – 18″
Tread depth16 - 17/32″13.5/32″
UTQG—540 A A
Treadwear warranty60,000 mi55,000 mi
SidewallBlack Side Wall - Raised Outline White LetteringBlackwall
Max pressure50 - 80 psi65 psi
Final verdict

Which one should you actually buy?

Cooper

Kumho

Winner: Cooper Discoverer AT3 LT — better wet, snow and handling. It leads or ties in every category we score.

Pick tire A Your priority is wet-weather safety

Cooper Discoverer AT3 LT scores 95 vs 90 on wet.

Pick tire A You drive through snowy winters

Cooper Discoverer AT3 LT scores 91 vs 88 on snow.

Pick tire A You enjoy sharp, responsive handling

Cooper Discoverer AT3 LT scores 94 vs 91 on handling.

Tire A · Cooper Discoverer AT3 LT
Check price on Amazon
Tire B · Kumho Road Venture AT51
Check price on Amazon

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.