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

Dunlop GEOMAX MX51 vs Toyo Open Country M/T — 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 Dunlop

Dunlop GEOMAX MX51

All Season Motocross and Enduro tires

Dunlop GEOMAX MX51 tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
87/100
1 owner review
Dry
100
Wet
80
Snow
–
Comfort
–
Noise
–
Treadwear
90
Handling
70
Check price on Amazon

Prices change daily — check the retailer for your size.

VS
Tire B Toyo

Toyo Open Country M/T

All Season All Terrain and Off Road tires

Toyo Open Country M/T tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
90/100
187 owner reviews
Dry
95
Wet
91
Snow
89
Comfort
90
Noise
85
Treadwear
89
Handling
91
Check price on Amazon

Prices change daily — check the retailer for your size.

VerdictWinner: Toyo Open Country M/T — better handling and wet. Pick the Dunlop GEOMAX MX51 if dry matters most to you.
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) GEOMAX MX51 leads by 5
A
100
B
95
Why this score
SourceGEOMAX MX51Open Country M/T
Tire Rack owners – 84
Tyre Reviews owners 100 73
SimpleTire owners – 97

Wet

Weight: Important
Score (0–100) Open Country M/T leads by 11
A
80
B
91
Why this score
SourceGEOMAX MX51Open Country M/T
Tire Rack owners – 95
Tyre Reviews owners 80 70
SimpleTire owners – 93

Snow

Weight: Neutral
Score (0–100)
A
–
B
89
Why this score
SourceGEOMAX MX51Open Country M/T
Tire Rack owners – 88
Tyre Reviews owners – 68
SimpleTire owners – 90

Comfort

Weight: Neutral
Score (0–100)
A
–
B
90
Why this score
SourceGEOMAX MX51Open Country M/T
Tire Rack owners – 83
Tyre Reviews owners – 60
SimpleTire owners – 91

Noise

Weight: Neutral
Score (0–100)
A
–
B
85
Why this score
SourceGEOMAX MX51Open Country M/T
SimpleTire owners – 82

Treadwear

Weight: Important
Score (0–100) GEOMAX MX51 leads by 1
A
90
B
89
Why this score
SourceGEOMAX MX51Open Country M/T
Tire Rack owners – 80
Tyre Reviews owners 90 72
SimpleTire owners – 90

Handling

Weight: Neutral
Score (0–100) Open Country M/T leads by 21
A
70
B
91
Why this score
SourceGEOMAX MX51Open Country M/T
Tyre Reviews owners 70 70

Scores at a glance

CategoryDunlop GEOMAX MX51Toyo Open Country M/T
Relative Score 85 91
Dry 100 95
Wet 80 91
Snow – 89
Comfort – 90
Noise – 85
Treadwear 90 89
Handling 70 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

Only categories both tires have data for count toward the headline score.

From owners

Pros, cons & observations

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

Tire A Dunlop GEOMAX MX51

The Dunlop Geomax MX51 is highly regarded for its superior traction and durability compared to its predecessor, the D756. Users report excellent performance in sandy conditions with minimal signs of tread wear even after extended use.

Pros

  • Enhanced grip and bite for both front and rear tires
  • Exceptional durability and longevity in sandy terrain
  • Significant performance improvement over previous models

Observations

  • Performance is specifically noted as highly effective in sandy riding conditions.
Tire B Toyo Open Country M/T

The Toyo Open Country M/T is widely regarded as a premium, high-performance mud-terrain tire that balances aggressive off-road capability with surprisingly refined on-road manners. While users frequently praise its exceptional durability, puncture resistance, and longevity, some note that its heavy construction can impact fuel economy and ride comfort on pavement.

Pros

  • Exceptional off-road traction in mud, dirt, and gravel
  • Impressive tread life and durability for a mud-terrain tire
  • Surprisingly low road noise compared to competitors
  • Strong, puncture-resistant sidewalls
  • Reliable performance in snow and wet conditions

Cons

  • High price point compared to other options
  • Significant weight can negatively impact fuel economy
  • Stiff ride quality, particularly on lighter vehicles or when overinflated
  • Occasional reports of balancing issues or vibrations
  • Reduced traction on ice

Observations

  • Heavy-duty diesel truck owners frequently report excellent longevity and load-carrying stability, often citing 50k-60k+ mile tread life.
  • Jeep and light-duty truck owners note that the tire's stiff sidewalls can make for a 'harsh' ride unless tire pressure is adjusted specifically for daily driving.
  • Users running larger sizes (37-inch+) emphasize the importance of regular 5,000-mile rotations to prevent uneven wear and maintain ride quality.
Specifications

Specs side by side

Attribute A · Dunlop GEOMAX MX51 B · Toyo Open Country M/T
CategoryAll Season Motocross and Enduro tiresAll Season All Terrain and Off Road tires
Vehicle typeMotorcycleSUV and 4x4
Sizes available—35
Rim diameters—16″ – 24″
Tread depth—18.4/32″
Sidewall—Blackwall
Max pressure—80 psi
Final verdict

Which one should you actually buy?

Dunlop

Toyo

Winner: Toyo Open Country M/T — better handling and wet. Pick the Dunlop GEOMAX MX51 if dry matters most to you.

Pick tire B You enjoy sharp, responsive handling

Toyo Open Country M/T scores 91 vs 70 on handling.

Pick tire B Your priority is wet-weather safety

Toyo Open Country M/T scores 91 vs 80 on wet.

Pick tire A You want the most grip on dry roads

Dunlop GEOMAX MX51 scores 100 vs 95 on dry.

Tire A · Dunlop GEOMAX MX51
Check price on Amazon
Tire B · Toyo Open Country M/T
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.