Finding the best 37×12.50R20 all terrain tire means balancing off-road capability with on-road manners. We researched manufacturer specifications, industry standards, and aggregated owner feedback to compare the top contenders. Our evaluation focuses on real-world performance, durability, and value to help you make an informed choice.
| Photo | Product | Score | Buy |
|---|---|---|---|
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BFGoodrich All-Terrain T/A KO2 Best Overall Load Range E, 3-Ply Sidewall, 50,000 Mile Treadwear Warranty |
9.0 | 🛒 Check Price |
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Nitto Ridge Grappler Best Hybrid Load Range F, Hybrid Tread Pattern, 45,000 Mile Treadwear Warranty |
8.7 | 🛒 Check Price |
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Toyo Open Country A/T III Best for Highway Load Range E, 3D Sipe Technology, 50,000 Mile Treadwear Warranty |
8.4 | 🛒 Check Price |
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Cooper Discoverer AT3 XLT Best Value Load Range E, Armor-Tek3 Construction, 60,000 Mile Treadwear Warranty |
8.1 | 🛒 Check Price |
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General Grabber A/TX Best for Towing Load Range E, Duragen Technology, 50,000 Mile Treadwear Warranty |
7.8 | 🛒 Check Price |
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Falken Wildpeak A/T3W Best for Wet Conditions Load Range E, 3D Canyon Sipes, 55,000 Mile Treadwear Warranty |
7.5 | 🛒 Check Price |
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Mickey Thompson Baja Boss A/T Best for Off-Road Load Range E, PowerPly XD Sidewall, 45,000 Mile Treadwear Warranty |
7.2 | 🛒 Check Price |
1. BFGoodrich All-Terrain T/A KO2: Best Overall
The BFGoodrich All-Terrain T/A KO2 is a benchmark in the all terrain category. Its 3-ply sidewall and CoreGard technology provide exceptional durability against rocks and debris. On pavement, the tire offers stable handling and modest noise, though some owners note a slight hum at highway speeds. In our evaluation, the KO2 shines in off-road traction, especially in mud and loose gravel, making it a top choice for overlanders and daily drivers alike.
However, the KO2 is not the lightest tire in this size, which can impact fuel efficiency and acceleration. If you prioritize maximum highway comfort and silence above all else, a more road-oriented all terrain might suit you better. But for a genuine 50/50 split between on and off-road use, the KO2 is hard to beat.
- CoreGard technology for enhanced sidewall toughness
- Serrated shoulder design for improved mud traction
- Balanced on-road comfort with low noise levels
Pros: Excellent off-road traction and puncture resistance; Long tread life backed by warranty
Cons: Heavier than some competitors, affecting fuel economy
2. Nitto Ridge Grappler: Best Hybrid
The Nitto Ridge Grappler blends a mud-terrain’s aggressive look with all-terrain on-road civility. Its hybrid tread pattern features large shoulder lugs and a continuous center rib for stability. In our research, owners praise its off-road grip in mud and snow, while the variable pitch design keeps cabin noise moderate. The dual sidewall adds a custom touch for enthusiasts.
That said, the Ridge Grappler’s tread life may not match pure all-terrains, especially if you tow heavy loads regularly. Some users report faster wear on the outer edges. If you want an aggressive look without sacrificing too much daily comfort, this is a strong contender.
- Dual sidewall design for customizable look
- Variable pitch tread blocks reduce road noise
- Stone ejectors prevent stone retention
Pros: Aggressive appearance with decent on-road manners; Good traction in mud and snow
Cons: Tread life can be shorter under heavy loads
3. Toyo Open Country A/T III: Best for Highway
The Toyo Open Country A/T III is engineered for drivers who spend most of their time on pavement but need occasional off-road capability. Its tread design minimizes noise and vibration, earning high marks for highway comfort. The 3D sipes provide confident grip in rain and light snow, and the tire carries a solid 50,000-mile warranty.
However, in deep mud or rocky terrain, the A/T III may fall short compared to more aggressive all-terrains. Owners note it can struggle in thick mud due to tighter tread spacing. If your off-roading is limited to fire roads and light trails, this tire delivers a refined on-road experience.
- Optimized tread pattern for low road noise
- 3D sipes for enhanced snow traction
- Stone and mud ejection features
Pros: Quiet and smooth on highways; Excellent wet and snow performance
Cons: Less aggressive off-road than some competitors
4. Cooper Discoverer AT3 XLT: Best Value
The Cooper Discoverer AT3 XLT is a budget-friendly all terrain that doesn’t skimp on durability. With Armor-Tek3 construction and a 60,000-mile warranty, it offers peace of mind for long-term use. On-road, it provides a comfortable ride with acceptable noise levels, and wet traction is reliable thanks to deep siping.
Where the AT3 XLT lags is in severe off-road conditions. Mud and rock crawling performance is adequate but not exceptional. Owners report it can be prone to chunking on sharp rocks. If you need a capable all terrain for light off-road use and want to maximize value, this is a solid choice.
- Armor-Tek3 for enhanced durability
- Deep siping for wet traction
- Wide tread for even wear
Pros: Long tread life warranty; Good value for the price
Cons: Off-road traction not as aggressive as premium picks
5. General Grabber A/TX: Best for Towing
The General Grabber A/TX is built for trucks that work hard. Its Duragen technology reinforces the casing for towing and hauling, and owners report minimal sway under heavy loads. Off-road, the tire offers decent traction in mud and gravel, though it’s not a mud-terrain replacement.
On the downside, the ride can be firm on uneven roads, and road noise is more noticeable than premium all-terrains. Some drivers find the tread pattern prone to cupping if not rotated frequently. If towing capacity is your priority, this tire delivers, but comfort seekers may want to look elsewhere.
- Reinforced sidewalls for heavy loads
- Traction grooves for mud and snow
- Stone block resistance
Pros: Stable under heavy towing loads; Durable construction
Cons: Firm ride on rough pavement; Noise levels higher than some competitors
6. Falken Wildpeak A/T3W: Best for Wet Conditions
The Falken Wildpeak A/T3W is designed with wet weather in mind. Its 3D Canyon sipes and wide grooves evacuate water effectively, earning praise from owners in rainy climates. On dry pavement, it rides smoothly with moderate noise. The tire also carries a 55,000-mile warranty, indicating confidence in longevity.
However, in deep mud or loose soil, the Wildpeak A/T3W struggles compared to more aggressive treads. Some users report faster wear on the outer edges, especially with improper inflation. If you frequently drive in heavy rain or snow, this tire is a strong choice, but serious off-roaders may want more bite.
- 3D Canyon sipes for wet grip
- Heat diffuser technology for cooler running
- Deep tread for off-road traction
Pros: Excellent hydroplaning resistance; Good snow traction
Cons: Off-road performance is mediocre in mud; Tread wear can be uneven
7. Mickey Thompson Baja Boss A/T: Best for Off-Road
The Mickey Thompson Baja Boss A/T is an off-road-focused all terrain that prioritizes traction over comfort. Its aggressive tread pattern and PowerPly XD sidewall make it a beast on trails, mud, and rocks. Owners who take their trucks off-road regularly love its grip and durability.
But on pavement, the Baja Boss A/T is loud and rides stiff. Tread wear accelerates with highway driving, and the warranty is shorter than competitors. If you use your truck primarily as a daily driver, this tire will be a compromise. For dedicated off-roaders, it’s a top performer.
- Extreme off-road traction with large lugs
- Reinforced sidewall for rock protection
- Self-cleaning tread design
Pros: Exceptional grip in mud and rocks; Tough sidewall resists punctures
Cons: High road noise and harsh ride; Shorter tread life on pavement
Frequently Asked Questions
What does 37×12.50R20 mean?
37×12.50R20 is a tire size: 37 inches tall, 12.50 inches wide, and designed for a 20-inch wheel diameter. The ‘R’ stands for radial construction.
Can I use 37×12.50R20 tires on a stock truck?
Most stock trucks require a lift or leveling kit to fit 37-inch tires without rubbing. Check your vehicle’s clearance and consult a professional before installing.
What is the best tire pressure for 37×12.50R20 all terrain tires?
Recommended pressure varies by load and vehicle. Start with the manufacturer’s door sticker pressure, then adjust based on tread wear patterns. Off-road, lower pressures improve traction.
How long do 37×12.50R20 all terrain tires last?
Tread life depends on driving habits, maintenance, and tire construction. Many all-terrains offer 45,000 to 60,000 mile warranties. Regular rotations and proper inflation extend life.
Are all terrain tires good in snow?
Many all terrain tires with the Three Peak Mountain Snowflake symbol perform well in snow. Look for models with dense siping and rubber compounds designed for cold temperatures.
Our Verdict
After researching and comparing specifications and owner feedback, the BFGoodrich All-Terrain T/A KO2 earns our top pick for its balanced off-road capability and on-road comfort. For those seeking a hybrid with aggressive looks, the Nitto Ridge Grappler is a strong runner-up.
