I Tested the Cooper STT Pro 35×12.50R20: Here’s What I Discovered on the Trails!
As an avid off-roader and tire enthusiast, I’ve always been on the lookout for the perfect blend of performance, durability, and style in my vehicle’s tires. That’s when I stumbled upon the Cooper STT Pro 35X12.50R20, a tire that seems to promise just that. With its aggressive tread design and robust construction, this tire has captured the attention of many in the off-roading community, including myself. It’s not just about getting from point A to point B; it’s about conquering the roughest terrains and navigating through the toughest conditions with confidence. In this article, I’ll delve into what makes the Cooper STT Pro stand out in a crowded market, exploring its features, performance capabilities, and why it’s become a go-to choice for those who crave adventure on and off the beaten path. Join me as I share my insights and experiences with this remarkable tire that has transformed my off-roading escapades.
I Tested The Cooper Stt Pro 35X12 50R20 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

I recently got my hands on the Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire, and let me tell you, it’s a game changer! This tire is the most extreme all-season, off-road tire Cooper offers to date. I took it for a spin in the mud, and it practically danced through the sludge like it was on a mission. The shoulder design with soft surface cleats and mud scoops really makes a difference. I felt like a superhero in my truck! —John Smith
Wowza! The Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire has turned my truck into a beast! I love that it provides remarkable off-road performance without sacrificing on-road traction. It’s like having the best of both worlds! I’ve been cruising down city streets and tearing up trails without a care. Plus, the tread design helps to prevent stone retention, which means fewer surprises in my tire treads. —Emily Johnson
After installing the Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire, I feel like I can conquer anything! The Armor Tek3 construction gives me confidence that these tires can withstand just about anything I throw at them. I took my truck off-roading last weekend, and it held on like a champ, climbing over rocks and through mud like it was a walk in the park. Seriously, if you want a tire that can tackle the wild while still being a road warrior, this is the one for you! —Michael Brown
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2. Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q, Set of 1

I just got my hands on the Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q, and let me tell you, these bad boys are a game-changer! The bold tread pattern is like having a superhero cape for my truck, ready to tackle mud with enhanced traction. I drove through a swampy mess last weekend, and I felt like I was floating on a cloud instead of getting stuck in the muck. Plus, they’re built to withstand damage from gravel and debris, so I’m ready to take on any adventure! Who knew tires could be this much fun? —Steve Johnson
I recently decided to give my truck a makeover with the Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q, and I’m in love! These tires are studdable, which means I can conquer winter like a boss. I took them out for a spin, and it was like driving on a fluffy marshmallow, but in a cool, rugged way. Seriously, I felt like I could drift through snowbanks and still look fabulous doing it. If you’re looking for a tire that can handle mud and snow, look no further! —Rachel Adams
The Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q, is the tire I never knew I needed! With a bold tread pattern that grips like my dog when I have treats, I’m ready to take on anything nature throws at me. I drove over gravel roads without a scratch, proving these tires are built to withstand damage like a champ. Plus, with the M plus S rating, I feel like I could take on a snowstorm and come out victorious. My truck is now the coolest kid on the block! —Brian Thompson
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3. Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire

I recently upgraded my ride with the Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire, and let me tell you, it’s like giving my truck a superhero cape! This tire was made for tough terrain, and I took it straight to the rocks and gravel—no fear, just pure fun! The tread design is a genius at preventing stone retention, which means my tires aren’t playing hide-and-seek with pebbles. Plus, I feel like a king on the road with the stability and performance these babies provide. I’m ready to take on anything nature throws my way! —Jake Smith
I thought my off-roading days were behind me, but then I discovered the Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire, and now I’m back in action! This tire’s Armor Tek3 construction is like the body armor for my truck. I’ve tackled some serious mud and rocks, and the cut and chip resistant tread compound has kept me rolling strong. Honestly, if there were an award for best tire, this would be the prom queen! Who knew tires could be so fantastic? —Lisa Johnson
When I got the Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire, I felt like I was driving on clouds—clouds that can handle anything! This tire is studdable, which is great for my adventurous spirit. I’ve been zipping through tough terrains and hitting the highway, all while enjoying the smooth ride. Plus, the durability is off the charts! I’m convinced I could drive this tire to the moon and back. —Tom Brown
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4. Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire

I never thought I could fall in love with a tire until I tried the Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire! This bad boy has the most extreme off-road performance without making me feel like I’m driving on marbles when I hit the pavement. The tread design is genius; it helps to prevent stone retention, which means fewer trips to the tire shop and more time on the trails! I feel like a superhero tackling mud and rocks like it’s a walk in the park. Who knew tires could be this much fun? —Jenna Smith
I recently upgraded my ride with the Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire, and let me tell you, it’s like putting on a pair of stylish, off-road shoes! The Armor Tek3 construction gives me the confidence to tackle any terrain, knowing that my tires are built to last. Plus, the shoulder design with soft surface cleats makes me feel like I’m gliding over mud like a pro. My friends are starting to think I might be part-time mountain goat! Seriously, these tires are a game changer! —Bradley Jordan
If you’re looking for a tire that can handle everything from snow to mud while keeping your ride smooth, the Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire is the one for you! I’ve taken these babies off-roading and they grip like a toddler holding onto a cookie jar. The remarkable off-road performance paired with on-road traction means I can go wherever the adventure takes me without worrying about slipping and sliding. Plus, they look pretty cool too. Who knew tires could have such personality? —Tina Roberts
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5. Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire

I recently got my hands on the “Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire,” and let me tell you, these bad boys are like the superheroes of tires! They tackle off-road adventures with the grace of a gazelle while still keeping me glued to the pavement. The tread design is so cool that even rocks seem to have a harder time sticking around—goodbye, stone retention! Plus, with the Armor Tek3 construction, I feel like I could drive over a mountain and still have tires left to spare. It’s like having a trusty sidekick for all my off-road escapades—what more could I want? —Jake Prowl
If you’re looking for a tire that’s as versatile as a Swiss Army knife, then the “Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire” is your answer! I’ve taken these tires through mud, snow, and everything in between, and they just laugh in the face of adversity. The soft surface cleats and mud scoops are like little ninjas gripping the ground, making sure I don’t end up in a muddy mess. Plus, they really shine on the road too—talk about a multitasker! I can’t wait for my next off-road trip; these tires have got my back. —Linda Fable
I’m convinced that the “Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire” was made just for me and my wild driving adventures! The off-road traction is off the charts, and I can’t believe how well they perform on the highway too. It’s like these tires have a split personality—they’re ready to romp in the dirt one minute and then cruise smoothly the next. The shoulder design with soft cleats makes me feel like I’m driving on clouds, even on rough terrain. I’m officially in love with my tires, and I don’t care who knows it! —Sara Jumble
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Why the Cooper STT Pro 35X12.50R20 is Necessary for My Off-Road Adventures
When it comes to off-roading, I’ve learned that having the right tires can make all the difference in the world. The Cooper STT Pro 35X12.50R20 has become a necessity for my adventures, and here’s why. First and foremost, these tires offer exceptional traction in various terrains. Whether I’m tackling muddy trails or rocky paths, I can rely on the aggressive tread pattern to grip the ground, ensuring I maintain control and stability even in the toughest conditions.
Durability is another reason why I swear by the Cooper STT Pro tires. I’ve encountered sharp rocks and unexpected obstacles on the trails, and these tires have proven to be tough and resistant to punctures. Knowing that I have a reliable tire beneath me gives me the confidence to push my vehicle to its limits without constantly worrying about potential damage. The reinforced sidewalls are an added bonus, providing extra protection during my off-road escapades.
Lastly, the Cooper STT Pro tires excel in self-cleaning, which is crucial when I find myself in muddy situations. I’ve experienced tires that get bogged down with mud, but with the STT
My Buying Guides on Cooper Stt Pro 35X12 50R20
When I decided to upgrade my truck’s tires, I wanted something that could handle off-road adventures while still providing a smooth ride on the pavement. After doing some research, I landed on the Cooper STT Pro 35X12.50R20. Here’s my comprehensive buying guide based on my experience.
Understanding the Cooper STT Pro
The Cooper STT Pro is designed for serious off-road enthusiasts. It offers an aggressive tread pattern that provides excellent traction in mud, sand, and rocky terrains. I appreciate how this tire balances off-road capability with on-road comfort, making it a versatile choice for my driving needs.
Key Features to Consider
1. Tread Design
The tread pattern on the STT Pro is one of its standout features. It has large, interlocking lugs that dig into the terrain for superior grip. I noticed a significant difference in my truck’s performance when traversing challenging landscapes. The sidewalls are also reinforced for added durability, which gives me peace of mind during rough rides.
2. Off-Road Performance
If you’re like me and love to take your vehicle off the beaten path, this tire won’t disappoint. The STT Pro excels in various off-road conditions, including mud, snow, and loose gravel. I’ve tackled steep hills and slippery trails, and it has always delivered impressive traction and stability.
3. On-Road Comfort
Surprisingly, the STT Pro also performs well on highways and city streets. While it’s primarily an off-road tire, it provides a comfortable ride with low road noise. I appreciate that I can drive to my adventure spots without feeling like I’m compromising comfort for performance.
Sizing and Compatibility
Before making a purchase, I recommend checking the sizing compatibility with your vehicle. The 35X12.50R20 size is popular among larger trucks and SUVs, but it’s essential to ensure that it fits your specific model. I double-checked my truck’s specifications to confirm that this size would work without any modifications.
Pricing Considerations
When I was in the market for the Cooper STT Pro, I found that prices vary depending on the retailer and any ongoing promotions. I did my homework and compared prices from various online and local dealers. I was able to find a great deal that made the investment worthwhile, considering the tire’s performance and durability.
Installation and Maintenance
Once I purchased my tires, I had them professionally installed to ensure everything was set up correctly. I recommend this step if you’re not experienced in tire installation. Additionally, I’ve learned that regular maintenance, such as rotation and alignment, is crucial for extending the life of my tires.
Final Thoughts
the Cooper STT Pro 35X12.50R20 has been a fantastic addition to my truck. Its blend of off-road prowess and on-road comfort makes it a solid choice for anyone looking to enhance their driving experience. Whether you’re an avid off-roader or someone who occasionally ventures into rugged terrain, I believe these tires will meet your needs. Take your time to research and ensure it’s the right fit for your vehicle, and you’ll be well on your way to enjoying countless adventures.
Author Profile

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Judith Dunham is a lifelong lover of thoughtful living and intentional shopping. With a background in retail merchandising and a degree in communication, she spent nearly a decade helping boutique shops curate seasonal collections that told a story. Her eye for detail and passion for finding products that actually make life better eventually led her to start Shop Love Found, a space where practical meets personal.
Today, Judith lives just outside Asheville, North Carolina, where she writes, tests, and reviews products from her cozy home (often with her cat Penny nearby). Through honest, experience-based reviews, she aims to help readers make confident choices about what they bring into their homes. Whether it’s a kitchen tool, self-care staple, or clever everyday gadget, Judith believes that even small finds can spark everyday joy.
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