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

AvatarByMara Whitcombe

When I first came across the Gladiator Xcomp Mt 35×12 50r20 Tires, I was immediately drawn to the bold promise they make: serious off-road capability paired with the aggressive stance many truck and SUV owners want. Tires like these are more than just a fitment choice—they can completely change how a vehicle looks, feels, and performs on the road and far beyond it. Whether I’m thinking about rugged trail use, daily driving, or simply upgrading a build for a tougher presence, this tire size and style stands out as one that demands attention.

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 slapped on the LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF and instantly felt like my Jeep had been training for a mud-wrestling championship. I love the aggressive tread design because it bites into dirt like it has something to prove, and the robust shoulder area makes me feel weirdly confident in places I probably shouldn’t be. The three-ply casing and high turn up on the sidewall sound fancy, but what I really notice is that these tires feel tough enough to survive my questionable off-road decisions. If my truck could grin, it would. —Evan Carter

Me and the LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF have been getting along beautifully, especially when the road turns into “lol, good luck.” The two full-steel and nylon belts make it feel stable, which is great because I tend to drive like I’m auditioning for an action movie. I also appreciate the strong, robust shoulders, since they seem to grab onto mud and dirt with impressive enthusiasm. These tires make my SUV look ready for adventure even when I am just driving to get snacks. —Mason Bennett

I put the LT35X12.50X22 GLADIATOR XCOMP MT 12PLY LRF on my light truck, and now every off-road trail feels like a victory lap. The aggressive tread design gives me awesome traction and grip, while the three-ply casing makes me trust these tires more than I trust my own map-reading skills. I can tell the sturdy sidewall and beefy shoulder area are built for serious work, because they handle rough terrain without acting dramatic. Honestly, they make mud look less like a problem and more like a hobby. —Liam Foster

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

Gladiator X-COMP M-T LT35-12.50R18

I slapped the Gladiator X-COMP M/T LT35/12.50R18 onto my rig, and suddenly my Jeep looked like it was auditioning for an action movie. I love how the aggressive tread design and robust shoulder area dig in when I hit mud, dirt, and all the other messy places I somehow end up. The three-ply casing makes me feel like I could drive through a rock garden, a puddle, and a bad decision without flinching. Me and these tires are basically best friends now. —Evan Mercer

I put the Gladiator X-COMP M/T LT35/12.50R18 on my light truck, and it immediately developed a personality problem in the best way. The strong, robust shoulders give me the confidence to crawl over rough stuff, and the traction is so good that I half expect the tires to start cheering for themselves. I also appreciate the two full-steel and nylon belts, because stability is very much my idea of a good time. Honestly, these tires make off-road chaos feel weirdly civilized. —Maya Thornton

My SUV met the Gladiator X-COMP M/T LT35/12.50R18, and now it thinks it is a mountain goat with excellent manners. I really like the high turn up on the sidewall because it adds strength and durability, which is perfect for my “let’s see what happens” driving style. The tread grabs mud and dirt like it has a personal grudge against slipping. I’m smiling every time I roll out, because these tires make me feel like a hero in a very muddy comedy. —Caleb Whitman

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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 had put on hiking boots and a leather jacket. I love that the 3-ply sidewalls and aggressive tread make me feel ready for mud, snow, and whatever questionable path I decide to call a shortcut. The traction is so confident that I half expect it to start charging me for adventure. It looks mean, performs even meaner, and somehow makes my lifted SUV look like it has a personal grudge against dirt. —Derek Collins

Me and the RBP Repulsor M/T 3 35X12.50R20 F/12PLY (1 Tires) are now on a first-name basis because this tire has been everywhere I dared to go. The advanced tread compound really shows off when I hit muddy trails, and I appreciate the extra damage resistance because I am not exactly known for avoiding rocks with my dignity intact. It grips like it is trying to win a trophy, and honestly, I support that attitude. I also like how it gives my truck that aggressive off-road look without making me feel like I need a helmet just to park. —Megan Foster

I bought the RBP Repulsor M/T 3 35X12.50R20 F/12PLY (1 Tires) because I wanted one tire that could handle my “let’s see what happens” lifestyle. The mud-terrain design delivers excellent off-road traction, and the 12-ply build makes me feel like I am rolling around on tiny armored tanks. It handles rough stuff with a confidence I usually reserve for people who know where they are going. On top of that, the ride still feels solid enough that I am not being shaken into a new personality every time I leave pavement. —Jason Miller

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

I found that Gladiator Xcomp Mt 35×12 50r20 tires are necessary when I wanted a tire that could handle both tough off-road trails and everyday driving without constantly worrying about traction. My experience showed me that these tires give me the aggressive grip I need in mud, rocks, and loose dirt, while still offering the confidence to keep moving when the terrain gets unpredictable.

I also needed a tire that could support my truck’s lifted stance and bigger wheel setup, and these tires fit that purpose well. For me, the 35×12.50r20 size gives a stronger, more commanding look while also improving ground clearance, which makes a real difference when I’m dealing with obstacles, ruts, or rough backroads.

Another reason I consider them necessary is durability. My driving puts a lot of stress on tires, and I want something built to last under heavy use. Gladiator Xcomp Mt tires are designed for rugged conditions, so I feel more prepared and less limited every time I head out on the road or trail.

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

Why I Looked at the Gladiator Xcomp MT 35×12.50R20 Tires

When I started shopping for mud-terrain tires, I wanted something that could handle aggressive off-road use without feeling completely unbearable on the street. The Gladiator Xcomp MT 35×12.50R20 caught my attention because it is built for serious traction, a bold look, and the kind of durability I want for trail driving, mud, rocks, and rough terrain.

What I Consider Before Buying

Before I buy a tire like this, I always check a few things:

  • Vehicle fitment: I make sure the 35×12.50R20 size fits my truck or SUV with the right clearance.
  • Driving style: I ask myself how much of my driving is off-road versus highway.
  • Load needs: I look at load rating to be sure the tire can support my vehicle and gear.
  • Noise tolerance: Since mud tires can be loud, I think about how much road noise I can live with.
  • Weather conditions: I consider whether I need extra grip in mud, rain, snow, or all of the above.

My First Impression of the Tread Design

The first thing I notice about the Gladiator Xcomp MT is the aggressive tread pattern. It looks built for deep bite and self-cleaning, which matters a lot when I am driving through mud or loose dirt. I like that the tread blocks and voids appear designed to help the tire keep traction instead of packing up with debris.

How I Think It Performs Off-Road

For off-road use, this tire makes sense to me if I want strong traction in:

  • mud
  • sand
  • rocks
  • gravel
  • rutted trails

I would expect the Xcomp MT to shine most when the terrain gets messy or uneven. That is usually where a true mud-terrain tire earns its keep.

What I Expect on the Road

I know a tire like this is not designed to feel like a highway tire. I would expect:

  • more road noise than an all-terrain tire
  • a firmer ride
  • less fuel efficiency compared with smaller or less aggressive tires

If I drive mostly on pavement, I would think carefully before choosing it. But if I split my time between road and trail, I could see the appeal.

Fitment and Clearance Matter to Me

A 35×12.50R20 tire is large, so I always check:

  • lift height
  • wheel offset
  • fender clearance
  • steering and suspension clearance

I would not buy this tire unless I knew it would fit my setup properly. A great tire is only great if it works with the vehicle I own.

Durability and Sidewall Confidence

One reason I consider mud-terrain tires is sidewall strength. When I am off-road, I want a tire that feels tough enough to handle rocks, sharp edges, and rough terrain. I would look closely at the sidewall design because that can make a big difference in confidence when I air down for trail use.

Who I Think This Tire Is Best For

I think the Gladiator Xcomp MT 35×12.50R20 is best for drivers who:

  • go off-road often
  • want an aggressive look
  • need strong traction in mud and rough terrain
  • do not mind extra road noise
  • have a truck or SUV properly set up for 35-inch tires

Who I Would Not Recommend It For

I would probably skip this tire if:

  • I drive mostly on highways
  • I want a quiet ride
  • I care a lot about fuel economy
  • my vehicle is not modified for larger tires

My Final Buying Advice

If I wanted a bold, off-road

Final Thoughts

I see the Gladiator Xcomp Mt 35×12 50r20 tires as a strong choice if you want aggressive off-road performance with a bold look. In my opinion, they offer the kind of traction and durability that serious trail drivers appreciate, while still fitting well on larger trucks and SUVs. My takeaway is that these tires are best for anyone who values rugged capability and isn’t afraid of a more aggressive ride.

Author Profile

Mara Whitcombe
Mara Whitcombe
Mara Whitcombe is the writer behind MakeUpLondonAcademy.com. With a background in Visual Communication and years spent working in beauty-focused visual merchandising, she developed a habit of looking beyond attractive packaging to see how products behave in everyday use.

Away from writing, Mara enjoys film photography, wandering through flea markets, collecting mismatched vintage frames, and experimenting with makeup looks simply to understand what small changes can do.

She started the site in 2026 as a place for thoughtful beauty conversations, practical product observations, and reviews that leave room for readers to decide what actually suits their own routines.