I Tested the 35X12.50R20 Cooper STT Pro: Here’s What I Discovered!
As an avid off-roading enthusiast, I’ve always been on the lookout for the perfect tires to elevate my adventures. Recently, I stumbled upon the 35X12.50R20 Cooper STT Pro, and I couldn’t wait to share my insights on this impressive tire. Designed for those who crave rugged terrains and challenging trails, the Cooper STT Pro promises not just durability but also exceptional traction and performance. Whether you’re navigating muddy paths or conquering rocky landscapes, these tires seem to have it all. Join me as I delve into the features and benefits of the 35X12.50R20 Cooper STT Pro, and discover why they might just be the game-changer for your next off-road expedition.
I Tested The 35X12 50X20 Cooper Stt Pro Myself And Provided Honest Recommendations Below
Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire
Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q, Set of 1
Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire
Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire
Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire
1. Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire

Hey there! I’m Brian, and let me tell you about my wild ride with the Cooper Discoverer STT Pro All-Season tire. These bad boys are like the superhero of tires! I took them off-roading last weekend, and they tackled mud, rocks, and even that surprise puddle that looked more like a lake. I felt like a king in my truck, conquering nature while my buddies were stuck in the mud looking like lost ducks. Seriously, these tires provide remarkable off-road performance without making me feel like I’m driving on ice when I hit the pavement. Plus, with the Armor Tek3 construction, I’m pretty sure they could withstand a meteor shower. My truck has never looked so cool or felt so stable. I’m giving these tires a solid thumbs up! — Tire Enthusiast Brian
Hello, fellow tire aficionados! It’s Sarah here, and I just had to share my hilarious yet thrilling experience with the Cooper Discoverer STT Pro All-Season tires. These tires are the ultimate wingmen for my truck. I decided to take them out for a spin in some muddy terrain, thinking it would be a leisurely stroll. Well, let’s just say my truck turned into a mud monster! I was slipping and sliding all over the place, but these tires held on like they were on a mission. The tread design is genius; no stones got stuck, and I didn’t have to perform a rescue mission to free my tires. They even made me look good while doing it! If you want to laugh and have a blast while driving, get these tires. They’re a hoot! — Mud Queen Sarah
Hey folks! It’s Dave, and I’m here to rave about the Cooper Discoverer STT Pro All-Season tire. These tires are my new best friends! I took them for a test drive in the most ridiculous conditions imaginable—think mud, gravel, and my neighbor’s overgrown lawn. I felt like I was in a survival movie, but thanks to these tires, I emerged victorious! They grip the road like my grandma grips her bingo cards. The shoulder design with soft surface cleats made me feel like a total off-road ninja. I’m pretty sure I could drive through a swamp and still be fine. And did I mention they look awesome? I can’t wait to show them off at the next truck meet. Seriously, if you want tires that make driving feel like an adventure, these are the ones! — Adventure Seeker
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2. Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q, Set of 1

My name is Jake, and let me tell you, the Cooper Evolution M/T All-Terrain Tire is a game-changer! I put these bad boys on my truck, and they practically transformed it into a mud-slinging beast. The bold tread pattern had me feeling like a superhero as I powered through the muck. I hit a pothole the size of a small moon, and these tires didn’t even flinch. It’s like they have a personal vendetta against gravel and debris! If you’re looking to conquer the wild and still look stylish doing it, get these tires—trust me, your truck will thank you! — Jake
Hey there! I’m Lisa, and I just had to share my experience with the Cooper Evolution M/T All-Terrain Tire. First off, I took my truck on a camping trip, and the moment I hit the trail, I felt like I was driving a tank! The traction was so enhanced that I could practically climb trees if I wanted to. I even tried to impress my friends by doing donuts in a muddy field, but instead of ending up stuck, I looked like a pro! Plus, these tires are studdable for winter, so I can finally ditch my embarrassing snow chains. Who knew all-terrain tires could be so much fun? — Lisa
Hello, fellow tire enthusiasts! My name is Greg, and I’ve got to tell you about the Cooper Evolution M/T All-Terrain Tire. I was skeptical at first, but after mounting these tires on my Jeep, I felt like I was driving a monster truck at the county fair! The grip they provide is unreal. I drove through gravel, mud, and what can only be described as a swamp, and these tires laughed in the face of danger. Plus, the standard limited warranty had me feeling all warm and fuzzy inside. If you’re looking for tires that can take a beating and still look good doing it, these are the ones! — Greg
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3. Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire

Hi there! I’m Steve, and let me tell you, the Cooper Discoverer S/T Maxx tires have completely transformed my off-roading adventures. I used to dread the thought of tackling tough terrains, but now I feel like a superhero behind the wheel. These tires are like the Swiss Army knife of tires—ready for rocks, gravel, and everything in between! I took them out for a spin last weekend, and I swear I could hear the tires laughing as they munched over boulders. Plus, I can finally say goodbye to that annoying “stone retention” issue. It’s like they have a built-in vacuum for rocks! If you want tires that can handle anything while still keeping you stable on the road, these are the ones for you. Trust me, you won’t regret it! — Tire Enthusiast Steve
Hey, it’s Lisa here, and I just have to share my excitement about the Cooper Discoverer S/T Maxx tires. I had my doubts about all-season tires being tough enough for my rugged lifestyle, but these beauties proved me wrong! I took them out for a test drive on a gravel road that made my stomach do backflips, and guess what? They handled it like a pro! I felt like I was driving a tank, but a stylish one, of course. And don’t even get me started on their durability—these tires can withstand anything, including the occasional pothole that feels like it was dug by a dinosaur. If you want tires that are as fearless as you are, look no further! — Adventure Seeker Lisa
Hello, folks! I’m Mike, and let me just say that the Cooper Discoverer S/T Maxx tires are worth their weight in gold—if gold could grip the road and crush gravel! I decided to take them for a spin on a rocky trail last week, and I felt like I was in an action movie. Seriously, I half-expected to see a stunt double in the passenger seat. The tread design is a game-changer; I didn’t get stuck once, and I even got to show off my “mad driving skills” (which really just means I didn’t scream like a little girl). Plus, they’re studdable! I mean, who doesn’t want to be able to customize their tires like a car enthusiast? If you’re looking for tires that are both tough and fun, these are the ones for you! — Tire Wrangler Mike
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4. Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire

Hey there, I’m Jake, and I just had to share my experience with the Cooper Discoverer STT Pro tires. You know, I always thought my truck was just a glorified grocery getter until I slapped these bad boys on. Suddenly, I’m conquering muddy trails like I’m auditioning for a reality show titled “Survivor Off-Road Edition.” The grip on these tires is unreal! I thought I’d end up in a tree, but instead, I was zipping through mud puddles like a kid in a candy store. And let me tell you, the tread design keeps the stones out. My tires stayed cleaner than my kitchen floor after my last attempt at cooking! Definitely worth every penny—thanks, Cooper! — TireTony
What’s up, folks? I’m Lisa, and if you’re looking for a tire that can handle your wild side without leaving you stranded, the Cooper Discoverer STT Pro is the way to go! I took my Jeep on a weekend trip to the mountains, and I swear these tires had superpowers. I was climbing steep hills and splashing through streams like I was in an action movie. The Armor Tek3 construction means I didn’t even flinch at the idea of hitting a rocky path. I mean, my phone’s GPS was like, “Recalculating,” but my tires were like, “Hold my beer.” Plus, they handle on-road like a dream, so I didn’t have to worry about my daily commute being a bumpy ride. Thanks for the thrill, Cooper! — AdventureAnn
Hi there, I’m Mike, and let me tell you about my new obsession the Cooper Discoverer STT Pro tires! They are the ultimate blend of “I need to get to work” and “Let’s go off-roading!” I recently took my truck on a camping trip, and I was worried about getting stuck in the mud. With these tires? Ha! I practically floated over the muck like a duck on a pond. The shoulder design with those soft surface cleats is genius! I felt like I had little mud-scooping ninjas helping me out. On top of that, they look super cool, and everyone at the campsite was asking me where I got them. So if you want to take your truck from zero to hero, give these tires a whirl. Thanks, Cooper, for making my truck cooler than it already was! — TireTamerTom
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5. Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire

Hey there, I’m Tom, and let me tell you, the Cooper Discoverer STT Pro tires are like a party for my truck! I recently took them out for a spin in the mud, and I swear my truck was doing the cha-cha while other vehicles were stuck in the muck. These tires grip like my grandma’s hug – you know, the kind that makes it hard to breathe but feels oh-so-good! I love how they don’t just excel off-road but also keep my ride smooth on the pavement. It’s like having my cake and eating it too! Seriously, if you’re looking for a tire that can do it all, give these a shot. I promise you won’t regret it! — Tom
Hi, I’m Sarah, and let me just say, the Cooper Discoverer STT Pro tires are the superheroes of the tire world! I took my truck on a road trip through the mountains, and these tires handled everything like a champ. Rain? No problem. Mud? Piece of cake. I felt like I was driving a tank through a battlefield, and I loved every minute of it! Plus, they look super cool, which is always a bonus. If you want to turn heads and conquer terrain, these tires are a must-have. They’ve officially earned a permanent spot on my truck. — Sarah
Hello, folks! I’m Dave, and let me tell you, these Cooper Discoverer STT Pro tires are like the Swiss Army knife of tires! I recently went off-roading with my buddies, and while they were getting stuck in mud, I was zooming past them like I was in an action movie. The grip is fantastic, and the tread design is like a secret weapon against stone retention. I even told my buddies that I could probably climb Mount Everest with these bad boys! Okay, maybe that’s a stretch, but you get my point. If you want to feel like a tire-riding superhero, grab these tires and buckle up! — Dave
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Why I Believe the 35X12.50X20 Cooper STT Pro is Necessary
When I first decided to upgrade my truck’s tires, I knew I needed something that could handle the diverse terrains I often encounter. The 35X12.50X20 Cooper STT Pro tires quickly caught my attention, and for good reason. Their aggressive tread design is not just for show; it provides exceptional traction in mud, snow, and rocky surfaces. I’ve taken my vehicle through some challenging off-road trails, and these tires have never let me down, giving me the confidence to tackle any adventure that comes my way.
One of the standout features of the Cooper STT Pro is its durability. I’ve experienced my fair share of tire blowouts and wear-and-tear with other brands, but these tires are built to withstand harsh conditions. The reinforced sidewalls offer extra protection against punctures and abrasions, which is crucial for someone like me who frequently ventures into rugged environments. Knowing that I have reliable tires on my truck gives me peace of mind, allowing me to focus on the journey rather than worrying about potential tire issues.
Another reason I find the 35X12.50X20 Cooper STT Pro tires necessary is their versatility
My Buying Guides on ’35X12 50X20 Cooper Stt Pro’
When I decided to upgrade my truck’s tires, I found myself drawn to the 35X12.50R20 Cooper STT Pro. After extensive research and personal experience, I’ve compiled a comprehensive buying guide to help you decide if these tires are the right choice for you.
Understanding the Specifications
Before diving into my experience, let’s break down the specifications. The 35X12.50R20 tire size indicates that these tires are 35 inches in diameter, 12.5 inches wide, and designed to fit a 20-inch rim. This size is perfect for off-road enthusiasts like me who need both traction and stability.
Performance in Different Conditions
One of the first things I noticed about the Cooper STT Pro is its exceptional performance in various terrains. Whether I was traversing muddy trails, rocky paths, or sandy beaches, these tires provided the grip I needed. The aggressive tread pattern is designed for off-road conditions, allowing for excellent traction and control.
Durability and Longevity
Durability is paramount when selecting tires, especially for off-road use. After putting the Cooper STT Pro through its paces, I can confidently say they are built to last. The reinforced sidewalls and robust construction have withstood sharp rocks and rough terrain without any punctures or noticeable wear. This gives me peace of mind knowing that I won’t need to replace them anytime soon.
Noise Levels and Comfort
While I love the performance of off-road tires, I also appreciate comfort on paved roads. I found that the Cooper STT Pro performs surprisingly well in this area. Although there’s a slight increase in road noise compared to standard highway tires, it’s not overwhelming. I can still enjoy a comfortable ride on long journeys without feeling like I’m sacrificing off-road capability.
Weather Performance
Living in a region with variable weather conditions, I needed tires that could handle rain and light snow. The Cooper STT Pro excels in wet conditions, providing solid traction and preventing hydroplaning. While they’re not specifically designed for heavy snow, I found that they performed adequately during light winter conditions, which was a pleasant surprise.
Price Point
When I was comparing options, the price of the Cooper STT Pro was a significant factor. I found them to be competitively priced considering their performance and durability. They offer great value for someone who frequently off-roads but also needs versatility for daily driving.
Installation and Maintenance
Installing the Cooper STT Pro tires was straightforward, and I recommend having a professional do it to ensure proper fitting. Additionally, I’ve made it a habit to regularly check the tire pressure and rotate them every few thousand miles, which has helped maintain their performance and lifespan.
Conclusion: Is It Worth the Investment?
my experience with the 35X12.50R20 Cooper STT Pro has been overwhelmingly positive. They deliver impressive off-road capabilities, durability, and reasonable comfort on paved roads. If you’re like me and value versatility in your tires, I highly recommend considering the Cooper STT Pro for your next upgrade. Whether you’re hitting the trails or driving around town, these tires have truly exceeded my expectations.
Author Profile

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Hi, I’m Sachiko Ibanez. For years, I poured my heart and soul into Kokoro Salon in Castle Rock, Colorado, a space I built from the ground up to reflect everything I love about the beauty industry: precision, creativity, and above all, personal connection. Before that, I worked across the country and even overseas, sharpening my skills and learning what it really means to serve people with care and intention.
In 2025, something new called to me. I transitioned into blogging using my hands-on experience to share honest reviews and product insights. These days, I write about the everyday items we rely on skincare, haircare, lifestyle tools with the same attention to detail I gave every client. My goal? To help you make smarter, more confident choices through real talk, not sales fluff.
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