After comparing manufacturer specifications, published industry standards, and aggregated owner feedback, we have evaluated the top 37 inch mud grappler tires for serious off-road enthusiasts. These tires are designed for extreme traction in mud, rocks, and sand, but each has distinct trade-offs in noise, tread life, and on-road handling. Our research highlights the best options for different priorities and vehicle types.
| Photo | Product | Score | Buy |
|---|---|---|---|
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Nitto Trail Grappler M/T Top Pick: Best Overall Balance 37×12.50R17 Load Range E, 3-ply sidewall |
9.0 | 🛒 Check Price |
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Mickey Thompson Baja Boss M/T Runner Up: Best for Extreme Off-Road 37×12.50R17 Load Range D, 3-ply sidewall |
8.7 | 🛒 Check Price |
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BFGoodrich Mud-Terrain T/A KM3 Best for Durability 37×12.50R17 Load Range E, 3-ply sidewall |
8.4 | 🛒 Check Price |
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Toyo Open Country M/T Best for On-Road Comfort 37×13.50R17 Load Range E, 3-ply sidewall |
8.1 | 🛒 Check Price |
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Cooper Discoverer STT Pro Best Value 37×12.50R17 Load Range E, 3-ply sidewall |
7.8 | 🛒 Check Price |
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Goodyear Wrangler Duratrac Best for Mixed Terrain 37×12.50R17 Load Range E, 3-ply sidewall |
7.5 | 🛒 Check Price |
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Pro Comp Xtreme M/T2 Best for Budget Buyers 37×12.50R17 Load Range D, 3-ply sidewall |
7.2 | 🛒 Check Price |
1. Nitto Trail Grappler M/T: Top Pick: Best Overall Balance
The Nitto Trail Grappler M/T is a well-rounded mud terrain tire that excels in off-road conditions while still being livable on pavement. In our evaluation, it offers strong traction in deep mud and over rocky terrain, thanks to its aggressive tread pattern and reinforced construction. Owner feedback frequently highlights its durability on rough trails and reduced road noise compared to other mud grapplers. However, the tire’s price is on the higher side, and some users report faster tread wear on heavy vehicles when driven aggressively on pavement.
This tire is ideal for those who want a capable off-road performer without sacrificing too much daily driving comfort. Skip it if you are on a strict budget or prioritize maximum tread life over off-road grip.
- Dual sidewall design offers protection and style options.
- Stone ejectors reduce rock drilling between treads.
- Reinforced tread base improves stability at high speeds.
Pros: Excellent off-road traction in mud and rocks.; Good on-road manners for a mud tire, with manageable noise.
Cons: Higher price point than some competitors.
2. Mickey Thompson Baja Boss M/T: Runner Up: Best for Extreme Off-Road
The Mickey Thompson Baja Boss M/T is built for extreme off-road conditions, and our research confirms it delivers outstanding grip in mud, rocks, and sand. Its aggressive tread design and tough sidewall construction make it a favorite among serious off-roaders. Owner reviews praise its ability to claw through deep mud and climb over sharp rocks without damage. However, this performance comes at the cost of on-road comfort: the tire is louder and less refined on pavement, and its relatively soft compound may wear faster on daily drivers.
This tire is best for dedicated off-road vehicles and those who prioritize trail capability above all else. Skip it if you need a quiet highway ride or want longer tread life for mixed use.
- PowerPly XD sidewall technology for cut and tear resistance.
- Large, staggered shoulder lugs for rock crawling.
- Optimized tread compound for self-cleaning in mud.
Pros: Exceptional traction in mud and on rocks.; Very durable sidewalls resist punctures.
Cons: Noticeably louder on pavement than many rivals.
3. BFGoodrich Mud-Terrain T/A KM3: Best for Durability
The BFGoodrich Mud-Terrain T/A KM3 is known for its exceptional durability and long tread life, making it a reliable choice for those who frequently encounter rough terrain. In our evaluation, it offers a strong balance of off-road traction and on-road civility, with a focus on longevity. Owner feedback indicates that these tires hold up well to rocks and gravel, and the reinforced sidewall resists cuts. However, in deep, sticky mud, some users find that the tread does not self-clean as effectively as more aggressive designs, leading to reduced traction.
This tire is ideal for overlanders and daily drivers who need a durable mud tire that lasts. Skip it if you primarily tackle deep mud bogs and want maximum bite.
- CoreGard Max technology for enhanced sidewall toughness.
- Mud-Phobic bars eject mud from treads.
- Terrain-Attack tread design for traction in multiple conditions.
Pros: Legendary durability and puncture resistance.; Good on-road stability and handling.
Cons: Not as aggressive in deep mud as some competitors.
4. Toyo Open Country M/T: Best for On-Road Comfort
The Toyo Open Country M/T is designed for drivers who want mud terrain capability without excessive noise and vibration on the highway. Our research shows it offers a comfortable ride and respectable off-road traction, particularly in moderate mud and on gravel roads. Owner reviews often mention its long tread life and even wear. However, in deep, sloppy mud, the tire’s less aggressive tread pattern may struggle compared to more extreme designs, and some users report reduced traction in wet clay.
This tire is best for those who use their vehicle as a daily driver and occasionally venture off-road. Skip it if you need maximum mud performance for serious off-roading.
- Silent Wall technology reduces road noise.
- Variable pitch tread pattern for quieter ride.
- Dual sidewall protector ridges.
Pros: Quieter and smoother on pavement than most mud tires.; Good tread life for a mud terrain tire.
Cons: Less aggressive in deep mud than dedicated mud grapplers.
5. Cooper Discoverer STT Pro: Best Value
The Cooper Discoverer STT Pro offers strong off-road performance at a more accessible price point, making it a popular choice for budget-conscious off-roaders. In our evaluation, it provides good traction in mud and over rocks, with a tough sidewall that resists damage. Owner feedback indicates that it performs well in most off-road conditions, but on-road comfort is compromised: the tire is noticeably noisy and can transmit vibrations at highway speeds. Additionally, tread life may be shorter on heavy vehicles driven primarily on pavement.
This tire is ideal for those who want capable off-road performance without a premium price tag and can tolerate some on-road noise. Skip it if you prioritize a quiet, comfortable daily driving experience.
- Armor-Tek3 construction for strength and puncture resistance.
- Stone block technology ejects rocks from tread.
- Mud deflectors reduce mud packing.
Pros: Competitive price for a 37-inch mud tire.; Good off-road traction in mud and rocks.
Cons: Higher road noise and vibration than premium rivals.
6. Goodyear Wrangler Duratrac: Best for Mixed Terrain
The Goodyear Wrangler Duratrac is a hybrid tire that blends mud terrain capability with all-terrain comfort, making it suitable for mixed driving conditions. Our research shows it performs well in light to moderate mud, snow, and sand, and offers stable on-road behavior. Owner reviews often commend its versatility and long tread life. However, in deep, heavy mud, the Duratrac lacks the bite of more aggressive mud tires, and some users report that the sidewall is less puncture-resistant than expected for rock crawling.
This tire is best for drivers who encounter a variety of terrains and want a single tire that can handle mud, snow, and pavement. Skip it if you need maximum mud performance for dedicated off-road use.
- Tractive Groove Technology for snow and mud traction.
- Durawall technology for sidewall protection.
- Self-cleaning shoulder blocks.
Pros: Versatile in mud, snow, and sand.; Good on-road handling for a mud tire.
Cons: Not as aggressive in deep mud as dedicated mud grapplers.
7. Pro Comp Xtreme M/T2: Best for Budget Buyers
The Pro Comp Xtreme M/T2 is an entry-level mud tire that offers aggressive looks and capable off-road performance at a low price point. In our evaluation, it provides good traction in mud and over rocks, with a tread pattern that clears debris effectively. Owner feedback indicates that it performs well on the trail, but on-road comfort is a major compromise: the tire is loud, rides harshly, and may exhibit uneven wear if not rotated frequently. Additionally, durability can be an issue on heavy vehicles or when used on pavement for extended periods.
This tire is suitable for budget-conscious off-roaders who primarily drive off-road and can tolerate significant on-road noise and vibration. Skip it if you need a tire for daily driving or long highway trips.
- Aggressive tread design with large void areas.
- Reinforced sidewall for off-road protection.
- Stone ejectors between tread blocks.
Pros: Very affordable for a 37-inch mud tire.; Decent off-road traction in mud and rocks.
Cons: Poor on-road ride quality and high noise levels.
Frequently Asked Questions
What is the difference between a mud grappler and a mud terrain tire?
Mud grapplers are a subtype of mud terrain tires with even more aggressive tread patterns, featuring large, spaced-out lugs and deeper voids designed to maximize traction in deep mud and soft terrain. They typically have more sidewall flexibility and may be noisier on pavement. Standard mud terrain tires offer a more balanced compromise between off-road capability and on-road comfort.
Will 37 inch mud grapplers fit my stock vehicle?
In most cases, 37 inch tires require significant modifications including a suspension lift (usually 4 inches or more), wheel offset adjustments, and possibly fender trimming. They are not a direct fit for stock vehicles. We recommend checking your vehicle’s specific clearance and consulting a professional before purchasing.
How long do 37 inch mud grapplers typically last?
Tread life varies widely based on driving habits, vehicle weight, and road conditions. On average, mud grapplers can last between 20,000 to 40,000 miles. Aggressive off-road use and heavy vehicles will reduce lifespan. Regular rotations and proper inflation can help maximize tread life.
Are mud grapplers safe for highway driving?
Mud grapplers are safe for highway driving if properly maintained, but they are not optimized for it. They tend to be noisier, less stable at high speeds, and have longer braking distances on dry pavement compared to all-terrain tires. Some models are better than others, so check our reviews for on-road comfort ratings.
What is the best 37 inch mud grappler for daily driving?
For daily driving with occasional off-road use, the Nitto Trail Grappler M/T or Toyo Open Country M/T are top choices due to their relatively quiet ride and good on-road manners. The BFGoodrich Mud-Terrain T/A KM3 also offers a good balance. Avoid the most aggressive models like the Mickey Thompson Baja Boss M/T if you prioritize comfort.
Our Verdict
After thorough research and comparison, the Nitto Trail Grappler M/T earns our top pick for its excellent balance of off-road traction, on-road comfort, and durability. The Mickey Thompson Baja Boss M/T is a strong runner-up for those who demand maximum off-road performance and are willing to accept higher noise levels. Choose based on your primary driving environment and comfort preferences.
