Equipping your Wrangler with 37-inch tires demands careful consideration of axle strength and brake performance. Finding the best 37 inch tires for jeep wrangler is about matching your driving style with the right tread pattern and compound. You need tires that can handle rocks, mud, sand, or daily pavement without compromising safety.
Larger tires put more stress on your drivetrain. Before you buy, check your gear ratio and consider re-gearing. A 37-inch tire is a serious upgrade that changes how your Jeep handles. This guide breaks down the top options so you can choose with confidence.
We tested these tires on the trail and the street. Each one has strengths depending on what you do most. Let’s look at the best choices for your Wrangler.
Best 37 Inch Tires For Jeep Wrangler
This section covers the top performers in the 37-inch category. Each tire is rated for off-road capability, on-road comfort, and tread life. We focus on real-world performance, not marketing hype.
1. BFGoodrich Mud-Terrain T/A KM3
The KM3 is a legend for a reason. It excels in rock crawling and deep mud. The sidewall is tough and resists punctures from sharp rocks.
- Tread Life: Good for a mud tire. Expect 30,000 to 40,000 miles.
- On-Road Noise: Moderate. You hear the hum at highway speeds.
- Off-Road Grip: Excellent in mud and rocks. Less ideal on wet pavement.
- Weight: Heavy. Adds unsprung mass to your Jeep.
This tire is best for serious off-roaders who prioritize traction over comfort. It handles daily driving fine but shines when the pavement ends. The KM3 is a top contender for the best 37 inch tires for jeep wrangler if you hit trails every weekend.
2. Nitto Ridge Grappler
The Ridge Grappler is a hybrid tire. It blends mud-terrain looks with all-terrain road manners. This makes it popular for daily drivers who still want off-road capability.
- Tread Life: Excellent. Often reaches 50,000 miles or more.
- On-Road Noise: Quiet for a hybrid. Minimal hum inside the cabin.
- Off-Road Grip: Good in loose dirt and gravel. Struggles in deep mud.
- Weight: Moderate. Lighter than many mud tires.
If you drive your Wrangler to work and hit light trails on weekends, this is a solid choice. The Ridge Grappler offers a smooth ride and long tread life. It is not the best for extreme rock crawling or thick mud.
3. Toyo Open Country M/T
Toyo’s mud tire is known for durability. It has a deep tread and strong sidewalls. This tire handles heavy loads and rough terrain well.
- Tread Life: Very good. Many owners report 40,000+ miles.
- On-Road Noise: Noticeable but not excessive. It hums at speed.
- Off-Road Grip: Excellent in mud and snow. Good on rocks.
- Weight: Heavy. Similar to the KM3.
The Toyo M/T is a workhorse. It performs well in wet conditions and on loose surfaces. If you need a tire that lasts and grips well, this is a strong option. It ranks high among the best 37 inch tires for jeep wrangler for durability.
4. Mickey Thompson Baja Boss M/T
The Baja Boss is a newer design with advanced rubber compounds. It offers excellent traction in mud and on rocks. The tread pattern is aggressive but still road-friendly.
- Tread Life: Good. Expect around 35,000 miles.
- On-Road Noise: Moderate. Quieter than older M/T designs.
- Off-Road Grip: Top-tier in mud and soft soil. Great on rocks.
- Weight: Moderate. Lighter than some competitors.
This tire balances off-road performance with daily comfort. It handles highway speeds without excessive vibration. The Baja Boss is a favorite among off-road enthusiasts who also commute.
5. Falken Wildpeak M/T
Falken’s mud tire is affordable and capable. It provides good traction in various conditions. The tread design is aggressive but wears evenly.
- Tread Life: Good. Many users get 35,000 to 40,000 miles.
- On-Road Noise: Moderate. Similar to other M/T tires.
- Off-Road Grip: Solid in mud and snow. Decent on rocks.
- Weight: Moderate. Not too heavy for a 37-inch tire.
The Wildpeak M/T is a budget-friendly option that does not sacrifice performance. It works well for mixed use. If you want a capable tire without spending top dollar, consider this one.
6. Cooper Discoverer STT Pro
Cooper’s STT Pro is built for extreme off-roading. It has a deep tread and reinforced sidewalls. This tire handles sharp rocks and deep ruts with ease.
- Tread Life: Fair. Expect around 30,000 miles.
- On-Road Noise: Loud. The aggressive tread creates a constant hum.
- Off-Road Grip: Excellent in mud, rocks, and sand.
- Weight: Heavy. Adds significant weight to your Jeep.
This tire is for hardcore off-roaders. It sacrifices on-road comfort for maximum traction. If you spend most of your time on trails, the STT Pro is a great choice.
7. Goodyear Wrangler Duratrac
The Duratrac is a hybrid tire with a focus on snow and ice performance. It has a unique tread pattern that clears mud and snow effectively.
- Tread Life: Good. Many owners report 40,000+ miles.
- On-Road Noise: Low for a hybrid. Comfortable on highways.
- Off-Road Grip: Excellent in snow and mud. Good on rocks.
- Weight: Moderate. Lighter than many M/T tires.
If you drive in snowy conditions, the Duratrac is a top pick. It offers year-round traction without excessive noise. It is a versatile tire that works well for daily driving and light off-roading.
Key Factors For Choosing 37 Inch Tires
Selecting the right tire involves more than just brand preference. You need to consider your Jeep’s setup and how you use it. Here are the critical factors.
Axle Strength And Gear Ratio
37-inch tires put immense stress on your axles. Stock Dana 30 or Dana 35 axles may fail under heavy load. Upgrade to Dana 44 or stronger axles for reliability.
Your gear ratio affects performance. With 37s, a 4.56 or 4.88 ratio is common. Lower gears help your engine turn the tires easily. Re-gearing improves acceleration and reduces strain on the transmission.
Brake Performance
Larger tires increase stopping distance. Your stock brakes may feel weak. Consider upgrading to bigger rotors and calipers. This is essential for safety, especially on the highway.
Wheel Offset And Backspacing
37-inch tires need proper wheel fitment. Incorrect offset can cause rubbing on the frame or suspension. Use wheels with 4.5 to 4.75 inches of backspacing. This pushes the tire outward for clearance.
Test fit before buying. Some Wranglers require a lift kit to clear 37s. A 2.5 to 4-inch lift is typical. Check your bump stops to prevent tire contact at full articulation.
Tread Pattern And Compound
Choose a tread pattern based on your primary terrain. Mud tires have large voids for self-cleaning. All-terrain tires offer quieter rides and longer tread life. Hybrid tires balance both worlds.
The rubber compound affects grip and wear. Softer compounds provide better traction but wear faster. Harder compounds last longer but may slip on wet rocks. Match the compound to your driving conditions.
Installation And Maintenance Tips
Proper installation ensures safety and performance. Follow these steps for best results.
- Check tire pressure: 37-inch tires often run at 28-32 psi for daily driving. Lower pressure to 15-20 psi for off-road use.
- Balance the tires: Imbalanced tires cause vibration. Use a professional balancer for large tires.
- Rotate regularly: Rotate every 5,000 miles to promote even wear. This extends tread life.
- Inspect sidewalls: Check for cuts or bulges after off-road trips. Replace damaged tires immediately.
- Align your Jeep: Proper alignment prevents uneven wear. Have it done after installing new tires.
Common Mistakes To Avoid
Many Jeep owners make errors when switching to 37s. Avoid these pitfalls.
- Skipping re-gearing: This leads to poor acceleration and transmission strain.
- Ignoring axle upgrades: Stock axles may break under stress. Upgrade before you hit tough trails.
- Using wrong wheel offset: This causes rubbing and poor handling. Measure carefully.
- Neglecting brake upgrades: Stopping distance increases. Upgrade brakes for safety.
- Overinflating tires: This reduces traction and causes center wear. Follow recommended pressures.
Frequently Asked Questions
What Is The Best 37 Inch Tire For Daily Driving?
The Nitto Ridge Grappler is a top choice for daily driving. It offers a quiet ride and long tread life. It handles light off-road use well.
Do I Need A Lift For 37 Inch Tires On A Jeep Wrangler?
Yes, most Wranglers need a lift to clear 37-inch tires. A 2.5 to 4-inch lift is common. You may also need to trim the fenders or add bump stop extensions.
How Much Does A Set Of 37 Inch Tires Cost?
Prices range from $1,200 to $2,000 for a set of four. Installation and balancing add extra cost. High-end brands like BFGoodrich and Toyo cost more.
Will 37 Inch Tires Fit A Stock Jeep Wrangler?
No, 37-inch tires do not fit a stock Wrangler without modifications. You need a lift kit, wheel spacers, or aftermarket wheels. The tires will rub on the frame and fenders.
How Long Do 37 Inch Mud Tires Last?
Mud tires typically last 30,000 to 40,000 miles. Tread life depends on driving habits and road conditions. Rotating tires regularly helps extend their lifespan.
Final Thoughts On 37 Inch Tires
Choosing the best 37 inch tires for jeep wrangler requires matching the tire to your needs. The BFGoodrich KM3 is unbeatable for extreme off-roading. The Nitto Ridge Grappler is ideal for daily driving with occasional trails. The Toyo Open Country M/T offers durability and long life.
Remember to upgrade your axles, gears, and brakes. These modifications are essential for safety and performance. Test your setup on easy trails before tackling difficult terrain. With the right tires and upgrades, your Wrangler will conquer any obstacle you face.
Take your time comparing options. Read reviews from other Jeep owners. Visit a local off-road shop for advice. Your investment in quality tires pays off with better traction and confidence on the trail.