For serious off-road enthusiasts and those seeking an aggressive stance, 37 inch tires are a popular choice, offering increased ground clearance and enhanced traction over challenging terrain. However, selecting the right 37 inch tire requires careful consideration of various factors, including your vehicle’s setup, intended use, and performance expectations.
In our evaluation, we researched and compared a wide array of 37 inch tires, drawing on manufacturer specifications, published industry standards, and aggregated owner feedback. Our goal is to provide an evidence-based guide to help you navigate the options and make an informed decision for your truck or SUV.
| Photo | Product | Score | Buy |
|---|---|---|---|
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Nitto Ridge Grappler Top Pick: Hybrid Performance Hybrid tread pattern with variable pitch for quiet ride |
9.1 | 🛒 Check Price |
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BFGoodrich All-Terrain T/A KO2 Runner Up: All-Terrain Legend CoreGard Technology for enhanced sidewall toughness |
8.7 | 🛒 Check Price |
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Toyo Open Country M/T Best for Extreme Mud Deep siping in tread blocks for wet traction |
8.4 | 🛒 Check Price |
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Cooper Discoverer STT Pro Aggressive All-Terrain Armor-Tek3 construction for 3X sidewall protection |
8.1 | 🛒 Check Price |
 |
Falken Wildpeak A/T3W All-Season Value Performer Heat diffuser technology in lower sidewall for stability |
7.9 | 🛒 Check Price |
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Mickey Thompson Baja Boss A/T Robust Hybrid All-Terrain PowerPly XD construction for increased puncture resistance |
7.5 | 🛒 Check Price |
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Goodyear Wrangler MTR with Kevlar Proven Mud & Rock Kevlar reinforced sidewalls for enhanced puncture resistance |
7.3 | 🛒 Check Price |
1. Nitto Ridge Grappler: Top Pick: Hybrid Performance
Based on owner feedback and the spec sheets, the Nitto Ridge Grappler consistently stands out for its balanced performance. Its innovative hybrid tread design effectively bridges the gap between a dedicated mud terrain and an all terrain tire, delivering impressive off-road traction without sacrificing on-road manners. We researched its construction, noting the robust shoulder lugs and reinforced sidewalls that contribute to its durability and resistance to punctures, which are critical for larger tires.
However, its hybrid nature means it’s not the absolute best in extreme mud or rock crawling compared to a pure MT, nor is it as light as some dedicated ATs. Those who spend 90% of their time in deep mud or extremely technical rock crawling might find a more aggressive MT slightly superior in those specific conditions. Similarly, if maximizing fuel economy is the absolute top priority and off-road capability is secondary, its weight could be a minor consideration.
- Combines mud terrain capabilities with all terrain comfort
- Dual sidewall designs for aesthetic choice and added protection
- Excellent wet and dry traction on pavement and trails
Pros: Remarkably quiet for an aggressive tire; Strong performance across diverse terrains; Good tread life based on owner feedback
Cons: Can be heavier than some pure all-terrain options
2. BFGoodrich All-Terrain T/A KO2: Runner Up: All-Terrain Legend
The BFGoodrich All-Terrain T/A KO2 is a benchmark in the all-terrain category, and its 37 inch variant maintains this reputation. In our evaluation of its specifications, we noted the advanced tread compound and CoreGard Technology, which are key to its renowned durability and resistance to punctures and bruising, particularly important for a larger tire used off-road. Owner feedback consistently praises its robust construction and long tread life.
Despite its versatility, the KO2, by design, is an all-terrain tire, not a mud terrain. This means while it handles dirt, gravel, and light mud very well, it will pack up in deep, sticky mud faster than a dedicated MT tire. Therefore, those whose primary off-road activity involves frequent and severe mud bogging or highly technical rock crawling might find its tread pattern less ideal than more aggressive options.
- Designed for exceptional durability and cut resistance
- All-season traction, including light snow performance
- Proven track record for balanced on-road and off-road use
Pros: Outstanding longevity and sidewall strength; Reliable traction in various weather conditions; Comfortable ride for an all-terrain tire
Cons: Less aggressive tread limits extreme mud performance
3. Toyo Open Country M/T: Best for Extreme Mud
The Toyo Open Country M/T is a formidable choice for those who prioritize extreme off-road performance, particularly in mud. Our research into its specifications highlights its aggressive tread pattern, which features large, open blocks designed to effectively clear mud and debris, ensuring consistent traction. Based on owner feedback, its ability to claw through challenging conditions is consistently praised, making it a go-to for serious trail rigs.
However, the very features that make it excel off-road contribute to its primary drawback: on-road performance. Its aggressive tread generates significant road noise, which can be fatiguing on long highway drives, and its heavier construction can noticeably impact fuel efficiency. Drivers who spend a majority of their time on pavement or prioritize a quiet, smooth ride over absolute mud-slinging capability should consider a less aggressive, hybrid or all-terrain option.
- Aggressive, open tread block design for maximum mud evacuation
- High ply rating and robust construction for heavy-duty use
- Excellent traction in soft soil, mud, and rocky conditions
Pros: Unrivaled traction in deep mud and loose terrain; Highly durable for demanding off-road environments; Good resistance to chipping and chunking
Cons: Noticeable road noise on pavement; Heavier construction can impact fuel economy
4. Cooper Discoverer STT Pro: Aggressive All-Terrain
The Cooper Discoverer STT Pro is designed for serious off-road enthusiasts who still need to drive their vehicle on paved roads. In our evaluation, we noted its Armor-Tek3 construction, providing a robust three-ply sidewall that is highly resistant to impact and abrasion, a critical feature for 37-inch tires used in demanding conditions. Owner feedback generally confirms its strong performance in mud, dirt, and rocky environments.
While it offers a good balance, it is still an aggressive tire, which means it won’t be as quiet or smooth as a pure all-terrain tire on the highway. Some owners report that while it performs admirably off-road, its tread life can be inconsistent compared to some top-tier competitors, depending on driving style and rotation frequency. If you prioritize maximum mileage and a whisper-quiet ride above all else, and your off-road excursions are infrequent or mild, a less aggressive option might be more suitable.
- Hybrid 3-2 tread pattern reduces road noise and improves stability
- Deep, aggressive cleats for superior off-road traction
- Scalloped shoulder lugs for enhanced grip in soft terrain
Pros: Excellent off-road grip, especially in mud and sand; Strong sidewall protection against punctures; Reasonable on-road manners for its aggressive design
Cons: Can be louder than dedicated all-terrain tires; Tread life reports are varied among owners
5. Falken Wildpeak A/T3W: All-Season Value Performer
The Falken Wildpeak A/T3W stands out as a strong all-around performer, particularly for its value. Our research into its design highlights features like full-depth sipes and a silica tread compound, which contribute to its excellent wet weather traction and consistent performance throughout its lifespan. Based on owner feedback, it’s a popular choice for those seeking a capable all-terrain tire that doesn’t compromise on daily drivability.
However, despite its aggressive upper sidewall, the A/T3W is not designed for the same level of extreme rock crawling or deep mud as a dedicated mud terrain tire. Its sidewall, while durable, may not offer the same level of puncture resistance as tires with more robust multi-ply sidewall technologies. If your off-road adventures frequently involve sharp rocks, deep ruts, or heavy mud, you might find its limits sooner than with a more specialized, heavier-duty tire.
- Full-depth sipes and blocks for consistent performance throughout tread life
- Aggressive upper sidewall and offset shoulder blocks for off-road traction
- Rated for severe snow conditions with the 3PMSF symbol
Pros: Strong value proposition for a capable AT tire; Excellent wet weather and light snow traction; Comfortable and relatively quiet on pavement
Cons: Not as robust for extreme rock crawling as dedicated MTs; Off-road performance is good but not top-tier for all conditions
6. Mickey Thompson Baja Boss A/T: Robust Hybrid All-Terrain
The Mickey Thompson Baja Boss A/T is a relatively newer entrant designed to offer a blend of aggressive off-road capability with acceptable on-road comfort. Our evaluation noted its PowerPly XD construction, which incorporates a thicker denier cord for increased puncture resistance and improved handling, a significant benefit for larger 37-inch tires. Owner feedback suggests strong performance in various off-road scenarios, particularly in rocky and desert terrains.
A notable consideration for this tire is its weight and initial investment. Based on the spec sheets, it tends to be on the heavier side, which can translate to a greater impact on fuel economy and requires a more robust suspension and steering setup. While its performance justifies its position, those on a stricter budget or prioritizing minimal impact on fuel consumption might find other options more appealing, especially if their off-road use is not consistently demanding.
- Asymmetrical tread pattern for reduced noise and improved handling
- Extreme Sidebiters for enhanced off-road traction and protection
- Silica-reinforced compound for better wet handling and longevity
Pros: Excellent off-road grip, especially in rocky and loose conditions; Very tough and durable construction; Good balance of on-road manners for its capability
Cons: Can be heavier than comparable tires; Higher purchase point compared to some competitors
7. Goodyear Wrangler MTR with Kevlar: Proven Mud & Rock
The Goodyear Wrangler MTR with Kevlar has long been a favorite among hardcore off-roaders, particularly for its capability in mud and rocky environments. Our research into its construction highlights the Kevlar reinforced sidewalls, which provide a crucial layer of protection against punctures and cuts when navigating sharp obstacles. Based on owner feedback, its aggressive, asymmetric tread pattern delivers exceptional traction where it counts most, in demanding off-road conditions.
However, the MTR with Kevlar is unequivocally a specialized off-road tire. Its aggressive tread design and robust construction mean that on-road comfort and quietness are significantly compromised. It generates considerable road noise, and its ride quality on pavement is firmer than hybrid or all-terrain options. Drivers who spend a substantial amount of time on highways or prioritize a smooth, quiet daily commute will likely find this tire too aggressive and noisy for their needs, making it best suited for dedicated trail vehicles or those with minimal paved road driving.
- Asymmetric tread design for improved off-road traction and handling
- Wraparound tread for additional sidewall protection and grip
- Excellent performance in mud, rocks, and uneven terrain
Pros: Superior grip in challenging mud and rock crawling scenarios; Kevlar reinforcement adds significant sidewall durability; Aggressive looks appeal to off-road enthusiasts
Cons: Significant road noise on pavement; Can wear faster than less aggressive tires if not rotated frequently
Frequently Asked Questions
What modifications are typically needed for 37 inch tires?
Based on our research, installing 37 inch tires almost always requires significant vehicle modifications. These commonly include a substantial suspension lift kit, often 4 to 6 inches, to prevent rubbing. Additionally, regearing the differential is frequently necessary to restore power and maintain drivability, as the larger tire diameter negatively impacts effective gear ratio. Fender trimming or aftermarket fenders are also often required, especially for off-road articulation.
How do 37 inch tires affect fuel economy and performance?
In our evaluation, the larger size and increased weight of 37 inch tires will invariably lead to a noticeable decrease in fuel economy. The larger rolling resistance and rotational mass demand more power from the engine, impacting acceleration and overall performance. Regearing can mitigate some of the performance loss, but the increased weight and aerodynamic drag will still contribute to higher fuel consumption.
Can I use 37 inch tires for daily driving?
While technically possible, using 37 inch tires for daily driving comes with several considerations based on owner feedback. The increased road noise, reduced fuel economy, and potentially firmer ride associated with aggressive tread patterns can detract from daily comfort. Furthermore, the added stress on steering and suspension components due to larger tires may lead to increased maintenance over time. Many owners opt for a more balanced tire if daily driving is their primary use.
What wheel size is best for 37 inch tires?
Our research indicates that for 37 inch tires, common wheel diameters range from 17 to 20 inches. A 17-inch wheel is often preferred by serious off-roaders as it allows for more tire sidewall, providing better flex and a larger contact patch at lower air pressures for improved traction and ride comfort over obstacles. Larger wheels, like 20-inch, can offer a more aesthetic appeal and better on-road handling but reduce sidewall flex off-road.
How important is load range for 37 inch tires?
Based on our evaluation of manufacturer specifications and safety standards, load range is critically important for 37 inch tires, especially for heavy trucks and SUVs that will be used for towing or hauling, or subjected to demanding off-road conditions. A higher load range, such as E, indicates a stronger tire construction capable of supporting more weight and resisting punctures. Selecting a tire with an inadequate load range can compromise safety, handling, and durability.
Our Verdict
After extensive research and comparison, the Nitto Ridge Grappler emerges as our Top Pick for the best 37 inch tire, offering an exceptional blend of aggressive off-road capability and surprisingly refined on-road manners. For those who demand legendary durability and balanced performance across varied terrain with a slightly quieter ride, the BFGoodrich All-Terrain T/A KO2 is an excellent Runner Up, proving its worth as a versatile and long-lasting option.
