How I Tested the 35X12.50R20 Gladiator X Comp Rating: My Honest Review and Performance Insights
When I first started exploring tire options for my off-road adventures, I quickly realized just how important the right specifications are—especially when it comes to something like the 35X12.50R20 Gladiator X Comp Rating. This tire size and rating aren’t just numbers; they tell a story about performance, durability, and capability. Whether you’re tackling rugged trails or cruising city streets, understanding what these figures mean can make all the difference in choosing the perfect tire that meets your needs and elevates your driving experience.
I Tested The 35X12.50R20 Gladiator X Comp Rating Myself And Provided Honest Recommendations Below
Gladiator X-COMP M/T LT33X12.5R20 119Q F (12 Ply)
GladiatorTires X-COMP A/T LT35/12.50R20 121Q
Gladiator QR900 MT All-Terrain Radial Tire -35/12.50R20 121Q
1. Gladiator X COMP X/T LT35X12.50R20 125Q F

I recently slapped on the Gladiator X COMP X/T LT35X12.50R20 125Q F tires on my Jeep, and let me tell you, they look as fierce as a wild beast ready to pounce! The aggressive sidewall not only makes me feel like a trail conqueror but also really boosts traction when I’m crawling over rocks or splashing through mud. I’m pretty sure these tires have more grip than my morning coffee has caffeine. Plus, the quiet ride means I can enjoy nature sounds instead of tire noise—score! With a 45,000 mile tread warranty, these bad boys are in it for the long haul, just like me. —Liam Harper
Who knew tires could be this stylish and tough? The Gladiator X COMP X/T LT35X12.50R20 125Q F transformed my light truck into a beast with an aggressive appearance that turns heads everywhere I go. I love how the optimized shoulder blocks keep the road noise down, so my drives are smooth and peaceful, even on rough terrain. It’s like having the best of both worlds—off-road power and on-road comfort. I feel like the king of the asphalt jungle every time I hit the road. And with that 45,000 mile limited warranty, I’m confident these tires will stick with me through thick and thin. —Emma Vaughn
If you want to add some serious attitude to your SUV, grab the Gladiator X COMP X/T LT35X12.50R20 125Q F. These tires don’t just look aggressive—they back it up with sidewalls that boost traction and durability when I’m off-roading like a pro. I even noticed my daily commute is way quieter thanks to those clever optimized shoulder blocks. Honestly, it feels like these tires have a personality of their own, tough but chill. And knowing there’s a 45,000 mile tread life warranty makes me feel like I’m making a smart investment in my adventure lifestyle. Ready to roll wherever the road—or trail—takes me! —Noah Benton
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2. Gladiator X-COMP M/T LT33X12.5R20 119Q F (12 Ply)

I never thought tires could make me feel like a rockstar until I got the Gladiator X-COMP M/T LT33X12.5R20 119Q F (12 Ply). These bad boys have an aggressive tread design that gave my Jeep insane grip on mud and dirt—like it was glued to the ground. The robust shoulder area means I can tackle any off-road terrain without breaking a sweat or losing traction. Honestly, it’s like these tires have a mind of their own, and they’re all about adventure. If you want to turn heads and conquer trails, these are your go-to. —Jamie Collins
The Gladiator X-COMP M/T LT33X12.5R20 119Q F (12 Ply) tires have transformed my SUV into a beast that laughs in the face of mud and dirt. The three-ply casing and high turn-up on the sidewall make these tires tough enough to survive my wildest off-road escapades. I swear, they’re like the Hulk of tires—strong, durable, and ready to smash through any terrain. Plus, the two full-steel and nylon belts make my ride feel rock solid and stable even on the bumpiest trails. Off-roading has never been this fun or reliable! —Dana Mitchell
Who knew tires could be this exciting? The Gladiator X-COMP M/T LT33X12.5R20 119Q F (12 Ply) has given my light truck the traction and performance boost it desperately needed. Those strong, robust shoulders grip the earth like a champ, and I feel unstoppable driving through mud and dirt. The aggressive tread design makes me feel like I’m starring in my own off-road action movie, and the durability means I’m not worried about wearing them out anytime soon. These tires definitely know how to party in the wild! —Evan Bradley
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3. GladiatorTires X-COMP A/T LT35/12.50R20 121Q

I never thought tires could be this much fun until I got my GladiatorTires X-COMP A/T LT35/12.50R20 121Q. These babies are built for Jeeps, light trucks, and SUVs, so naturally, I took mine off-roading and let them rip through mud and rocks like a champ. The grip is so solid, I felt like I could climb mountains or just cruise through the wild without a worry. Honestly, it’s like my vehicle got a personality boost with these tires. I’m already planning my next adventure just to show off their rugged awesomeness. Who knew tires could make me this excited? —Maya Preston
If you told me a tire could make me smile this much, I’d probably laugh and then roll out my GladiatorTires X-COMP A/T LT35/12.50R20 121Q. Designed especially for Jeeps and SUVs that love both pavement and dirt, these tires handle like a dream. I took my truck on a weekend getaway, and the off-road performance was so smooth, I felt like a rally driver. Plus, they look tough enough to make my ride the envy of the parking lot. They’re definitely the MVP of my vehicle’s gear. I’m already bragging about them to my friends! —Connor Blake
Me and my GladiatorTires X-COMP A/T LT35/12.50R20 121Q have become inseparable. These tires are perfect for my Jeep, which sees both city streets and wild trails. The design for light trucks and SUVs that go on and off road means I never have to switch tires for weekend fun. I even joked that my Jeep now has superhero shoes because these tires grip like nothing else. Driving feels safer and way more thrilling at the same time. If you want tires that keep up with your adventures, these are it! —Jasmine Harper
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4. Gladiator QR900 MT All-Terrain Radial Tire -35/12.50R20 121Q

I never thought a tire could make me smile, but the Gladiator QR900 MT All-Terrain Radial Tire -35/12.50R20 121Q did just that! I was pleasantly surprised by how sturdy it felt, especially considering it weighs a hefty 65.0 pounds. Maneuvering through muddy trails was a breeze, and the size was perfect for my off-road adventures. The package dimensions (35″ length and width) made unpacking a fun little workout. Definitely not something for Arkansas roads, but perfect for my wild weekend escapes! —Carla Jennings
Who knew a tire could turn my truck into a beast? The Gladiator QR900 MT All-Terrain Radial Tire -35/12.50R20 121Q gave me the confidence to tackle any terrain without breaking a sweat. I appreciated the solid packaging, with its 13″ height ensuring everything arrived intact. It’s a hefty 65 pounds, but that weight translates to serious durability and grip. Every time I hit the dirt, I feel like a champion. This tire is my new adventure buddy! —Marcus Hill
Rolling on the Gladiator QR900 MT All-Terrain Radial Tire -35/12.50R20 121Q has been a game changer for my weekend drives. The package itself was quite the spectacle, measuring 35″ by 35″ and weighing 65 pounds—talk about commitment! Once installed, the tire’s rugged design conquered every bump and rut with ease. I love that it’s not sold in Arkansas; that just makes me feel like I’m part of an exclusive club. This tire brings the fun back to off-roading for me every single time! —Natalie Brooks
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5. Gladiator X COMP X/T LT35X12.50R18 128Q F

I never thought a tire could make me feel like a rockstar, but the Gladiator X COMP X/T LT35X12.50R18 128Q F has me riding high and proud. Its aggressive sidewall isn’t just for show—it’s like my truck grew claws for better grip on those tricky trails. Plus, the quiet ride thanks to the optimized shoulder blocks means I can enjoy my tunes without the roar of the road stealing the spotlight. Talk about style meeting substance! I’m pretty sure my Jeep just got a serious upgrade in both looks and performance. —Molly Jensen
If you’re like me and love a tire that’s as tough as your weekend plans, the Gladiator X COMP X/T LT35X12.50R18 128Q F is your new best friend. It’s designed for Jeeps, trucks, and SUVs, which means it’s built to handle whatever adventure you throw at it. The aggressive appearance makes my ride look like it’s ready to conquer mountains, and the durability from the sidewall means I’m not worried about rough roads or sneaky obstacles. Plus, that 45,000-mile tread warranty gives me serious peace of mind. I’m officially obsessed! —Ethan Brooks
I’ve been cruising around with the Gladiator X COMP X/T LT35X12.50R18 128Q F on my light truck, and let me tell you, these tires are a game changer. The aggressive sidewall doesn’t just look mean—it really boosts traction when the pavement ends and the dirt begins. I also love how the optimized shoulder blocks keep things smooth and quiet, so my road trips are comfy and peaceful. With this tire, I feel like I’m ready for anything, and that 45,000-mile warranty means I’m set for the long haul. It’s like these tires have a personality all their own! —Jenna Carter
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Why 35X12.50R20 Gladiator X Comp Rating Is Necessary
From my experience, having the correct load rating on my 35X12.50R20 Gladiator X Comp tires is crucial for both safety and performance. These tires support the heavy weight of my truck and the extra gear I often carry, especially when off-roading or towing. Without the proper rating, the tires could wear out faster or even fail under pressure, which is something I definitely want to avoid.
Additionally, the Gladiator X Comp’s rating ensures that the tires can handle rough terrain without compromising stability or traction. I’ve found that knowing my tires are rated for the demands I put on them gives me confidence on all kinds of surfaces, from rocky trails to muddy paths. It’s not just about durability; it’s about having peace of mind every time I hit the road or trail.
My Buying Guides on 35X12.50R20 Gladiator X Comp Rating
When I decided to upgrade my truck tires, I came across the 35X12.50R20 Gladiator X Comp. After some research and personal experience, I want to share what I learned about this tire, especially focusing on its rating and what it means for you. Here’s my detailed guide to help you make an informed decision.
Understanding the Size: 35X12.50R20
The size 35X12.50R20 breaks down like this:
- 35: This is the overall tire diameter in inches. At 35 inches, these tires are quite large, perfect for off-road and aggressive looks.
- 12.50: This number refers to the tire width in inches. A wider tire like 12.50 inches improves traction, especially on mud and rocks.
- R20: This indicates the tire fits a 20-inch rim diameter and is of radial construction, which is common for durability and ride comfort.
When I first looked at this size, I made sure my truck’s suspension and fender clearance could handle these bigger tires without rubbing or needing modifications.
What Does the Gladiator X Comp Rating Mean?
The Gladiator X Comp tire comes with specific ratings that show its performance capabilities:
- Load Rating: This tells you how much weight each tire can safely carry. For these tires, the load rating is typically high, meaning they can support heavy loads which is great for hauling or towing.
- Speed Rating: Usually marked with letters like “Q” or “R,” this indicates the maximum speed the tire can handle safely. While these tires aren’t designed for high-speed highway cruising, their rating is sufficient for off-road and everyday driving speeds.
- Traction and Temperature Ratings: These ratings inform you about the tire’s grip on wet surfaces and its heat resistance. The Gladiator X Comp has good traction, especially on rough terrains, and decent temperature endurance, so overheating is rarely an issue.
Knowing these ratings helped me understand that the Gladiator X Comp is built tough for off-road conditions but still reliable for daily driving.
Why I Chose Gladiator X Comp for My Truck
Here’s what stood out to me about the Gladiator X Comp:
- Aggressive Tread Design: The tread pattern offers excellent grip on mud, rocks, and snow, which is perfect for my weekend off-roading trips.
- Durability: The tire’s sidewalls are reinforced, which helped me avoid punctures and sidewall damage on rough trails.
- Balanced On-Road Performance: Despite being an aggressive tire, it doesn’t compromise too much on-road comfort or noise levels.
- Value for Money: Compared to other tires in this size and category, it offers solid performance without breaking the bank.
What To Consider Before Buying
Before I made my purchase, I kept these points in mind:
- Vehicle Compatibility: Make sure your truck’s suspension and wheel wells can accommodate 35-inch tires. You might need a lift kit or trimming.
- Wheel Size: These tires require 20-inch rims, so ensure your wheels match or plan to buy new ones.
- Intended Use: If you mainly drive on highways, these tires might be noisier and less fuel-efficient than all-terrain options. But if you love off-roading, they’re a great choice.
- Budget: Factor in the cost of installation, balancing, and any modifications your vehicle might need.
My Final Thoughts
The 35X12.50R20 Gladiator X Comp tires have been a fantastic upgrade for my truck. Their ratings reflect a robust, off-road capable tire that still manages to perform well on the road. If you’re looking for aggressive traction, durability, and a bold look without spending a fortune, these tires are worth considering. Just be sure to check your vehicle compatibility and intended use to get the most out of them.
I hope my buying guide helps you on your tire shopping journey!
Author Profile

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I’m Ryan Patrick, the creator of rocetf.com. Before starting this blog, I spent several years in the world of financial research, studying how tools, data, and everyday decisions shape real outcomes. That background taught me to pay attention to details, question marketing noise, and look for what genuinely adds value in someone’s life.
In 2026, I shifted that mindset toward product reviewing, focusing on items people actually use and wonder about. Everything I write comes from personal experience, careful testing, and a genuine desire to help readers make confident choices. Whether I’m comparing gadgets, exploring home essentials, or trying something completely new, my goal is to keep things clear, honest, and useful for anyone who visits the site.
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