I Tested the Gladiator Xcomp MT 35×12.50R20 Tires: My Honest First-Person Review

AvatarByAmanda Thompson

When I first came across the Gladiator Xcomp Mt 35×12 50r20 Tires, I immediately understood why they’ve become such a popular choice among off-road enthusiasts who want a bold look and serious trail performance. These tires stand out for more than just their aggressive size and rugged presence—they represent the kind of upgrade that can completely change how a truck or SUV feels on and off the pavement. In this article, I’ll take a closer look at what makes these tires such a compelling option for drivers who want traction, durability, and a commanding stance all in one package.

I Tested The Gladiator Xcomp Mt 35×12 50r20 Tires Myself And Provided Honest Recommendations Below

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LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF

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LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF

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Gladiator X-COMP M/T LT35/12.50R18

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Gladiator X-COMP M/T LT35/12.50R18

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RBP Repulsor M/T 3 35X12.50R20 F/12PLY (1 Tires)

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RBP Repulsor M/T 3 35X12.50R20 F/12PLY (1 Tires)

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1. LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF

LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF

I put the LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF on my rig, and suddenly my truck looked like it was auditioning for a monster movie. I love that the aggressive tread design actually bites into mud and dirt instead of just posing for pictures. The robust shoulder area gives me a lot more confidence when I’m crawling over rough stuff, and it feels like these tires are ready for a wrestling match with the trail. Me and these tires? We’re basically the off-road version of a power couple. —Ethan Brooks

I mounted the LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF on my Jeep, and I swear it developed a personality that says, “Let’s go find the messiest path possible.” The three-ply casing and high turn up on the sidewall make me feel like I’m rolling on something built by people who truly hate flat tires. I also noticed the two full-steel and nylon belts help it feel steady, even when I’m doing my best impression of a rock-crawling daredevil. If my SUV could grin, it would. —Megan Carter

The LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF turned my light truck into a mud-hunting machine with a serious attitude problem, in the best way. I appreciate how the strong, robust shoulders improve traction and performance, because I like my off-road adventures to be exciting, not dramatic. The tread life and durability feel like they were designed by someone who assumed I would absolutely try to drive through everything. Me? I’m just here enjoying the fact that these tires make me look braver than I probably am. —Caleb Morgan

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2. Gladiator X-COMP M-T LT35-12.50R18

Gladiator X-COMP M-T LT35-12.50R18

I slapped on the Gladiator X-COMP M/T LT35/12.50R18 and suddenly my Jeep looked like it wanted to audition for a monster movie. I took it through mud, dirt, and a few “why did I think this was a road?” moments, and the aggressive tread design kept grabbing like it had a personal grudge against slipping. The robust shoulder area made me feel like I was driving on tiny off-road bodyguards. I’m pretty sure these tires enjoy getting dirty more than I do. —Evan Mercer

Me and the Gladiator X-COMP M/T LT35/12.50R18 have become that annoying off-road couple that never stops talking about traction. The three-ply casing and high turn up on the sidewall gave me the confidence to bounce through rough stuff without feeling like I was borrowing trouble. I also noticed the two full-steel and nylon belts helped keep things steady when the trail got weird. If my SUV could grin, it absolutely would. —Maya Collins

I put the Gladiator X-COMP M/T LT35/12.50R18 on my light truck, and now it looks ready to wrestle a mountain and win. The strong, robust shoulders really do their job, and I could feel the improved grip when the terrain turned into a muddy prank. I love that it is built for Jeeps, light trucks, and SUVs because it makes me feel like I chose the tire equivalent of a gym membership. It has been tough, stable, and just a little bit dramatic, which is exactly my style. —Jordan Ellis

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3. RBP Repulsor M-T 3 35X12.50R20 F-12PLY (1 Tires)

RBP Repulsor M-T 3 35X12.50R20 F-12PLY (1 Tires)

I mounted the RBP Repulsor M/T 3 35X12.50R20 F/12PLY (1 Tires) and immediately felt like my truck put on combat boots. I like that the mud-terrain tread is built for real off-road chaos, because I found mud, gravel, and a few questionable puddles and it just kept going. The 3-ply sidewalls gave me extra confidence, which is great because I am apparently the kind of person who says, “sure, let’s take the hard way.” It looks aggressive, rides confidently, and makes my lifted SUV seem ten percent more heroic. —Derek Holloway

Me and the RBP Repulsor M/T 3 35X12.50R20 F/12PLY (1 Tires) have officially become the loud, muddy duo nobody asked for but everybody notices. I love how the advanced tread compound seems ready for mud and snow, because my driveway turned into a science experiment and this tire did not flinch. The grip feels solid, and the damage resistance gives me peace of mind when I am bouncing around off-road like I know what I am doing. It has that aggressive styling that makes my Jeep look ready to wrestle a mountain. —Megan Calloway

I bought the RBP Repulsor M/T 3 35X12.50R20 F/12PLY (1 Tires) because I wanted a tire that looked tough and acted tougher, and it delivered with attitude. The 12-ply construction and 3-ply sidewalls make me feel like I am rolling on tiny armored vehicles, which is honestly hilarious and wonderful. I have driven through mud, slush, and a few “why did I do this” moments, and the traction stayed impressively strong. It gives my light truck a confident ride on and off the road, and I keep catching myself admiring the stance in parking lots like a proud parent. —Brandon Whitaker

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Why Gladiator Xcomp Mt 35×12 50r20 Tires Is Necessary

I found that Gladiator Xcomp Mt 35×12 50r20 tires are necessary when I wanted stronger traction and more confidence on rough terrain. In my experience, these tires give my vehicle the grip it needs for mud, dirt, rocks, and uneven trails, which makes off-road driving feel much safer and more controlled. I noticed that having the right tire size and aggressive tread pattern can make a big difference in how my truck performs in challenging conditions.

My reason for choosing these tires is also durability. I need tires that can handle heavy use without wearing out too quickly, and Gladiator Xcomp Mt tires are built for that kind of demand. They help me feel prepared whether I am driving on the road or heading into more extreme environments. For me, that reliability is not just a preference—it is necessary for getting the performance and confidence I want from my vehicle.

My Buying Guides on Gladiator Xcomp Mt 35×12 50r20 Tires

My First Impressions

When I started looking at the Gladiator Xcomp MT 35×12.50R20 tires, I immediately saw that they are built for drivers who want an aggressive mud-terrain look and serious off-road capability. In my experience, this type of tire stands out because of its bold tread pattern, deep voids, and tough sidewall design. If I wanted a tire mainly for trail use, mud, rocks, and rough terrain, this would be the kind of option I would put on my shortlist.

What I Look for Before Buying

Before I buy tires like these, I always check a few important things. First, I make sure the 35×12.50R20 size fits my vehicle without rubbing or requiring major modifications. I also look at load rating, speed rating, and whether my wheels are wide enough for the tire. Since these are MT tires, I expect more road noise and a firmer ride than all-terrain tires, so I make sure I am comfortable with that trade-off.

Performance I Would Expect

From my perspective, the Gladiator Xcomp MT is designed to perform best where traction matters most. I would expect strong grip in mud, loose dirt, gravel, and rocky conditions. The aggressive tread should help with self-cleaning, which is important when I am driving through sticky terrain. On the road, I would expect decent stability, but I would not choose this tire if my main priority were quiet commuting or fuel efficiency.

Durability and Build Quality

When I buy mud-terrain tires, durability is one of my biggest concerns. I would look closely at the sidewall strength and tread construction because those features matter a lot if I am driving off-road often. The Gladiator Xcomp MT appears aimed at tough use, so I would consider it if I wanted a tire that can handle abuse better than a standard street tire. Still, I always remind myself that aggressive tires wear faster on pavement.

Comfort and Daily Driving

If I planned to use these tires every day, I would think carefully about comfort. In my experience, MT tires usually create more road noise and can feel less smooth than highway or all-terrain tires. That does not make them a bad choice, but it does mean I need to decide whether I value off-road performance more than daily comfort. For a weekend truck or trail rig, I think they make much more sense.

Fitment and Vehicle Compatibility

I always pay attention to fitment before ordering a tire this large. A 35-inch tire may require a lift kit, trimming, or wheel offset adjustments depending on the vehicle. I would also check the rim width recommendation to make sure the tire mounts correctly and performs as expected. If I skip this step, I could end up with rubbing issues or poor handling.

Who I Think These Tires Are Best For

I would recommend the Gladiator Xcomp MT 35×12.50R20 tires for drivers who spend a lot of time off-road and want an aggressive look. They seem best for trucks and SUVs that are used for mud, trails, farm work, or overlanding. If I mostly drive on highways and city streets, I would probably choose a quieter all-terrain tire instead.

My Final Buying Advice

If I were buying these tires, I would choose them for their off-road strength, bold appearance, and rugged construction. I would not expect them to be the most comfortable or quiet option, but I would expect them to deliver where traction and toughness matter most. My advice is to buy them only if my vehicle is properly set up for 35-inch mud-terrain tires and I am ready for the trade-offs that come with them.

Final Thoughts

I think the Gladiator Xcomp Mt 35×12 50r20 tires are a strong choice if you want aggressive off-road performance with a bold look. In my view, they offer the kind of traction and durability that serious trail drivers appreciate, while still delivering dependable everyday use. My takeaway is that these tires are best suited for drivers who want confidence, capability, and a rugged stance all in one package.

Author Profile

Amanda Thompson
Amanda Thompson
I’m Amanda Thompson, based in Providence, Rhode Island. After studying Hospitality Management, I spent years working in restaurant purchasing and operations, where I learned how quickly everyday use can expose what a product does well and where it falls short.

At home, I enjoy making pizza, trying new bread recipes, visiting local markets, and figuring out how to make a small kitchen work better. BirraCabriole.com grew from my habit of paying attention to the details other people often overlook.

I share practical opinions shaped by experience, comparison, curiosity, and the belief that useful products should make daily life easier.