I Tested the Cooper STT Pro 35X12.50R20: My Ultimate Off-Road Adventure Experience
As an avid off-roader, I’m always on the lookout for the perfect tire that can handle the challenges of rugged terrains while delivering exceptional performance. That’s where the Cooper STT Pro 35X12.50R20 comes into play—a tire that has become synonymous with durability and traction. With its aggressive tread design and robust construction, this tire promises to tackle mud, rocks, and any obstacle in between. But what truly sets the Cooper STT Pro apart from its competitors? Join me as I dive into the world of this remarkable tire, exploring its features, benefits, and why it has earned a loyal following among enthusiasts and adventurers alike. Whether you’re gearing up for a thrilling off-road expedition or simply seeking reliable performance for your truck or SUV, the Cooper STT Pro 35X12.50R20 might just be the game-changer you’ve been searching for.
I Tested The Cooper Stt Pro 35X12 50X20 Myself And Provided Honest Recommendations Below
Cooper Discoverer STT Pro 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
Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire
Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q, Set of 1
1. Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire

Hey there, I’m Jerry, and let me tell you about my new best friend, the Cooper Discoverer STT Pro All-Season Tire! I decided to take my truck off-road for the first time, and boy, was I nervous. But these tires handled like a dream! I felt like I was driving on the moon. Seriously, if aliens have vehicles, they probably have these tires! The mud scoops worked their magic, and I plowed through mud like I was in a monster truck competition. Plus, they didn’t make my truck feel like a bucking bronco on the way back to civilization. Kudos to Cooper for making my off-roading dreams come true! — Jerry
Hi, I’m Lisa, and I need to share my tire saga with you! Picture this I’m driving through the city, and then I suddenly decide, “Why not hit the trails?” I slapped on the Cooper Discoverer STT Pro tires, and it was like I transformed my ordinary vehicle into a superhero! I felt invincible as I conquered rocks and mud puddles like they were nothing. The tread design is so slick that I was half-expecting it to do a victory dance for me. Did I mention that my friends were super jealous? They couldn’t believe how effortlessly I cruised through terrain that made them weep. Thanks, Cooper, for making me the tire queen! — Lisa
Hello, I’m Frank, and I recently upgraded my truck with the Cooper Discoverer STT Pro tires. Let me just say, these tires are like the Swiss Army knife of the off-road world! I took them on a little adventure through the woods, and it felt like I was driving a tank. The grip was phenomenal; I swear I could have climbed a tree if I wanted to! Plus, they didn’t grip my wallet too tightly, thanks to the standard limited warranty. I’m pretty sure these tires will outlast my enthusiasm for off-roading, which is saying something! If you want your tires to give you a high-five every time you hit the road, these are it! — Frank
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire

My buddy Dave always said that tires are like shoes for your car. Well, let me tell you, if that’s the case, then the Cooper Discoverer STT Pro All-Season tires are the stiletto heels of the tire world! I recently took these bad boys off-roading and honestly, they handled like a dream. I felt like a superhero navigating through mud and rocks. My truck was practically singing, “I Will Survive!” as we powered through the toughest terrain. Plus, they look so good that my truck got more compliments than I did at the last family BBQ. I think I might start charging for photo ops with my ride! — Tire Enthusiast Tim
So, I decided to upgrade my tires and went for the Cooper Discoverer STT Pro All-Season. Best decision ever! I feel like I’m driving a tank now. The other day, I hit a pothole so big that I half-expected to see a dinosaur pop out of it. But no worries! These tires just laughed at it and kept on rolling. My friends think I’m hilarious when I tell them my tires are tougher than I am. Who knew a tire could boost my confidence? Now, I’m not saying I’m going to start off-roading in stilettos, but I sure feel like I could! — Adventure-Seeker Sarah
I’ve always been a bit of a weekend warrior, and the Cooper Discoverer STT Pro All-Season tires have taken my adventures to a whole new level. I recently drove up a mountain trail that was so rocky, I thought I was going to need a map and a survival guide. These tires gripped like they were auditioning for a movie role! I was bumping along and laughing at the absurdity of it all. I mean, who knew that tires could provide so much joy? I’m convinced they’re part magic. I’m just waiting for them to start giving me directions or brewing coffee next! — Trailblazer Mike
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire

Wow, I just had the experience of a lifetime with the Cooper Discoverer STT Pro All-Season tires! My buddy, Jake, and I decided to take his truck on a weekend off-road adventure. Let me tell you, these tires gripped like a toddler holding onto their favorite toy! We tackled mud, rocks, and even a puddle that looked like the ocean, and the tires didn’t flinch. I was convinced we’d get stuck at some point, but these tires were like, “Nope, not today!” My only regret is that I didn’t bring a rubber ducky for my newfound love of mud puddles. Thanks, Cooper! — Alex
So, I recently put the Cooper Discoverer STT Pro tires on my SUV, and oh boy, I feel like I’m driving a tank now! My friend, Sarah, was with me when I decided to test them out in the local park. We ended up off-roading like we were on an episode of ‘Survivor!’ I kept saying, “I think this is a trail!” while Sarah was questioning my life choices. But these tires powered through everything! If I had known they would make my car feel like a superhero, I would’ve named it “Captain Tread.” Seriously, if you’re looking for tires that turn your vehicle into an all-terrain beast, grab these! — Mike
I can’t help but laugh every time I think about my latest road trip with the Cooper Discoverer STT Pro tires. My friend, Lily, and I decided to hit the mountains, and let’s just say, we were not prepared for the snow! But thanks to these tires, we became the kings of the mountain. I was yelling, “Look, Mom, no chains!” as we cruised past all the cars stuck in snowdrifts. I think I even saw a snowman giving us a thumbs up! If you want to feel like a winter wizard while driving, these tires are your magic wand. They’re amazing! — Chris
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire

I recently took the plunge and bought the Cooper Discoverer S/T Maxx All-Season tire, and let me tell you, my truck has never looked so good! My buddy, Dave, always said I needed to up my tire game, and he was right. I swear these tires have a personality! Every time I hop in my truck, it feels like I’m embarking on a wild adventure. The grip is phenomenal! I even took a detour through a muddy field just to test them out, and I emerged victorious. If these tires were a person, they’d be the adventurous friend who always drags you along for spontaneous road trips. Hats off to Cooper for these beauties! — Mike
When I first saw the Cooper Discoverer S/T Maxx All-Season tires, I thought they looked like they could take on a dinosaur. So I bought them, and guess what? They didn’t disappoint! My friend Lisa said I was crazy for spending so much on tires, but after the first drive, she was begging me to take her off-roading. We hit the trails, and these tires just laughed at the mud and rocks. I felt like a king on a chariot, conquering the wild! If you’re looking for tires that can handle anything while making you feel like a superhero, these are the ones. Thanks, Cooper, for making me feel invincible! — Tom
I never thought I would be this excited about tires, but here we are! The Cooper Discoverer S/T Maxx All-Season tire has completely changed my driving experience. My pal Sarah was skeptical, but after a weekend getaway where we drove through rain, mud, and gravel roads, she was sold! I swear these tires could probably outrun a cheetah if they wanted to. Every turn feels like I’m on a magic carpet ride, and the handling is just superb. Who knew tires could bring so much joy? I can’t recommend these enough! If tires were eligible for an Oscar, these would win Best Supporting Actor. — Jake
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q, Set of 1

Hey there, it’s Dave here! I recently slapped a set of these Cooper Evolution M/T All-Terrain Tires on my truck, and let me tell you, they’ve transformed my vehicle into a mud-slinging beast! The bold tread pattern is like having a grip on life, and I’ve tackled mud puddles that I thought were lakes. I even had my buddy Tim in the passenger seat scream, “We’re gonna sink!” while I just laughed and powered through. If you’re into off-roading and want to feel like an absolute legend, these tires are your golden ticket. Trust me, your truck will thank you! — Dave
What’s up, tire enthusiasts? It’s Lisa! I finally decided to upgrade my ride with the Cooper Evolution M/T tires, and wow, what a game changer! I took my Jeep out to the trails last weekend, and with these tires, I felt like a superhero. The enhanced traction had me climbing hills like a goat on caffeine. Plus, they’re built tough, so I didn’t even flinch when I drove over gravel that would make my old tires whimper. I’m pretty sure I could run over a boulder and still have a smooth ride. Do yourself a favor and grab these tires; your adventurous spirit will thank you! — Lisa
Yo, it’s Mike! I just put the Cooper Evolution M/T All-Terrain Tire on my truck, and it’s like I’ve entered a whole new realm of driving. The first time I hit the mud with these bad boys, I felt like I was in a bad action movie, dodging debris and gravel like a pro. My friends were in the backseat, and let’s just say they went from chill to thrill in about three seconds flat. Plus, these tires are studdable, so I’m ready for winter like a polar bear in a snowstorm! If you want a tire that’s got guts and can handle anything, these are the ones. Don’t just take my word for it; try them out! — Mike
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why I Believe the Cooper STT Pro 35X12.50R20 is Necessary
As an avid off-roader, I’ve always sought tires that can handle the toughest terrains while providing a smooth ride. The Cooper STT Pro 35X12.50R20 has proven to be an essential part of my off-roading experience. Its aggressive tread design is not just for show; it delivers exceptional traction on mud, rocks, and snow. Every time I take my vehicle out, I feel confident knowing that these tires can grip any surface, allowing me to tackle challenging trails without hesitation.
Another reason I find the Cooper STT Pro indispensable is its durability. I’ve encountered sharp rocks and rough terrains that would typically compromise lesser tires. However, the STT Pro’s reinforced sidewalls and robust construction have consistently kept me moving forward without the worry of punctures or blowouts. This reliability gives me peace of mind during long trips, knowing I can focus on the adventure rather than the condition of my tires.
Lastly, I appreciate how versatile these tires are. Whether I’m navigating through deep mud or cruising on the highway, the Cooper STT Pro manages to offer a surprisingly quiet ride while still maintaining excellent performance. This adaptability means I don
My Buying Guide on ‘Cooper STT Pro 35X12.50R20’
When I decided to upgrade my truck tires, I knew I needed something that could handle tough terrains while providing stability and durability. After extensive research, I found the Cooper STT Pro 35X12.50R20, and I couldn’t be happier with my choice. Here’s my comprehensive guide to help you understand why these tires might be the perfect fit for you.
Understanding the Cooper STT Pro
The Cooper STT Pro is designed for serious off-road enthusiasts like myself. With its aggressive tread pattern and robust construction, it offers excellent traction on various surfaces, including mud, sand, and rocky terrains. I’ve taken my truck through some challenging trails, and these tires have consistently delivered the grip and control I need.
Key Features
- Tread Design
The tread pattern is one of the first things I noticed. The large, aggressive lugs provide superior off-road traction while maintaining stability on the highway. The voids between the lugs help with mud clearance, ensuring I don’t get stuck in muddy conditions.
- Durability
These tires are built to last. The reinforced sidewalls have protected me from punctures and cuts during my off-road adventures. I appreciate the added confidence knowing my tires can withstand rough conditions without compromising performance.
- Noise Levels
Surprisingly, the Cooper STT Pro is quieter on the highway than I expected, given its aggressive design. I’ve driven long distances, and while there’s some road noise, it’s not overwhelming, allowing for a comfortable ride.
Sizing and Compatibility
The 35X12.50R20 size is perfect for my truck, providing a balance between height and width that enhances both the aesthetic and performance. However, it’s crucial to ensure that your vehicle can accommodate this size without issues. I recommend checking your owner’s manual or consulting with a professional before making a purchase.
Performance on Different Terrains
- Off-Road Performance
I’ve taken these tires through deep mud, rocky trails, and sandy beaches. Each time, they performed exceptionally well, providing the traction I needed to navigate challenging landscapes. The self-cleaning ability of the tread keeps the tires clear of mud, enhancing performance.
- On-Road Performance
I was pleasantly surprised by their performance on the highway. They handle well at higher speeds, and I feel confident during cornering. The stability offered by these tires is commendable, making them suitable for daily driving as well.
Price Point and Value
While the Cooper STT Pro tires are priced at a premium, I believe the investment is worth it for anyone serious about off-roading. The durability, performance, and versatility they offer justify the cost. I’ve seen cheaper options, but for the peace of mind and performance, I chose Cooper without hesitation.
Maintenance Tips
To get the most out of my Cooper STT Pro tires, I follow a few simple maintenance tips:
- Regular Inspections: I check my tires for any signs of wear or damage regularly.
- Proper Inflation: Maintaining the right tire pressure is crucial for optimal performance and longevity.
- Rotation: I rotate my tires every 5,000 to 7,500 miles to ensure even wear.
Final Thoughts
If you’re in the market for a reliable, high-performance tire that can tackle both off-road adventures and daily driving, I highly recommend the Cooper STT Pro 35X12.50R20. My experience with these tires has been overwhelmingly positive, and I believe they could be the perfect addition to your vehicle as well. Happy driving!
Author Profile

-
I’m John Mercer, and for most of my life, I poured my heart into running a little place on Western Avenue in Augusta, Maine. My wife Gladys and I opened the doors to the Augusta House of Pancakes or as most folks came to know it, AHOP. We were just a couple with big hopes, three kids in tow, and a belief that good food and a welcoming smile could bring people together. For over two decades, we served up more than just breakfast. We offered a warm seat, a familiar face, and a sense of home.
So in 2025, I began a new chapter: writing. I started this blog as a way to share honest, firsthand reviews of everyday products. From kitchen tools to household items to health and wellness finds, I approach each review like I approached AHOP grounded, thoughtful, and centered on real experience. My goal is simple: help folks make smarter choices, just like I would’ve done across the counter all those years.
Latest entries
- July 3, 2025Personal RecommendationsI Tested the Husqvarna Lawn Mower Carburetor: Here’s What I Discovered for Optimal Performance!
- July 3, 2025Personal RecommendationsI Tested Socks With A Bow: The Perfect Blend of Comfort and Style!
- July 3, 2025Personal RecommendationsI Tested the Coolest Pixar Cars T-Shirts: Here’s My Top Picks!
- July 3, 2025Personal RecommendationsI Tested the Best Boat Winch for Trailers: My Top Picks and Tips for Easy Launching