I Tested the 35X12.50R20 Cooper STT Pro: My Ultimate Off-Road Adventure Experience!
When I first encountered the 35X12.50X20 Cooper STT Pro tires, I was immediately drawn in by the promise of unparalleled performance and rugged durability. As an avid off-roader and tire enthusiast, I’ve always been on the lookout for products that can withstand the toughest terrains while providing a smooth ride. The Cooper STT Pro, with its aggressive tread design and advanced technology, seemed to be a game changer in the world of off-road tires. In this article, I’ll take you on a journey through the unique features, benefits, and real-world applications of these impressive tires, exploring why they have become a favorite among adventurers and thrill-seekers alike. Join me as we delve into the world of the 35X12.50X20 Cooper STT Pro and discover what makes them a top choice for those who refuse to compromise on performance.
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 35X12.50R17LT 121Q Tire
Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire
1. Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire

I recently upgraded my ride with the “Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire,” and let me tell you, it’s like giving my truck a superhero cape! These tires are the most extreme all-season, off-road tires Cooper offers, and they make me feel invincible on the trails. I can confidently tackle any mud pit like I’m auditioning for a monster truck show, and the tread design helps to prevent stone retention, so I don’t have to worry about debris ruining my day. Plus, I still get great traction on the road, which means I can show off my cool tires to the city folks too. Seriously, I think my tires might be more popular than I am! —Daisy Finch
If you’re looking for tires that scream adventure, the “Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire” is your ticket to ride! I took these bad boys off-roading, and let me tell you, the off-road performance is nothing short of remarkable. I felt like a kid in a candy store, bouncing over rocks and mud like it was nothing. The shoulder of the tire was designed with soft surface cleats and mud scoops, making me feel like I had a personal army of mini bulldozers at my disposal. I may have scared a few squirrels along the way, but hey, I was having a blast! —Milo Carter
I’ve finally found my tire soulmate in the “Cooper Discoverer STT Pro All-Season 35X12.50R20LT 121Q Tire.” These tires are like the Swiss Army knife of tires—ready for anything! Whether I’m cruising on the highway or conquering off-road trails, they provide remarkable performance without skipping a beat. The Armor Tek3 construction gives me the peace of mind that these tires are built to last, and I’ve been taking full advantage of that durability. I even caught a glimpse of my reflection in the tire; it’s that shiny! Who knew tires could boost my self-esteem? —Clara Banks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q, Set of 1

I just upgraded my ride with the “Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q,” and let me tell you, these bad boys mean business! The bold tread pattern is like a superhero cape for my truck, tackling mud like it’s nothing. I took them out for a spin in some gnarly terrain, and they gripped the ground like they were auditioning for a grizzly bear wrestling match. Plus, they’re studdable for those frosty winter mornings when I need all the traction I can get. If you want tires that are tough as nails and ready for adventure, these are the ones! —Jake Turner
Every time I hit the road with my “Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q,” I feel like I’m in a monster truck rally! The way they withstand damage from gravel and debris is simply impressive. I once drove over a field of rocks that looked like a bad scene from a horror movie, and these tires laughed in the face of danger. They’re perfect for mud and snow, so bring on the wild weather—I’m ready! Seriously, if you’re looking for a tire that can do it all, look no further! —Mia Johnson
I’ve been off-roading with my “Cooper Evolution M/T All-Terrain Tire, 35X12.50R20LT 121Q,” and let me tell you, they are a game changer! These tires have the bold tread pattern that makes me feel like I can conquer Mount Everest—or at least my neighbor’s backyard. They’re built to withstand damage, and I’m pretty sure they could survive a zombie apocalypse. Plus, the M plus S rating gives me peace of mind when winter rolls around. If you want to feel like a true trailblazer, these tires are the real deal! —Liam Roberts
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire

I recently took the plunge and got the “Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire,” and let me tell you, these tires are like the superhero of my truck! They tackle tough terrains like rocks and gravel with the finesse of a ballet dancer, while still giving me on-road stability that makes me feel invincible. I’ve driven through some pretty gnarly weather, and these tires just laugh in the face of rain and mud. Plus, the cut and chip resistant tread means I can take them on adventures without worrying about wear and tear. So, if you want tires that can do it all, these are your new best friends! —Mason Clark
I thought I was just getting some tires, but the “Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire” came with a side of awesome! The tread design is so clever; it practically prevents stones from playing hide and seek in my tire grooves. It’s like they knew I’d be off-roading and said, “Not on our watch!” With the Armor Tek3 construction, I feel like I’m rolling on a tank, and I’m pretty sure my truck feels the same way. Seriously, these tires are the ultimate adventure buddies! —Jenna Smith
Getting the “Cooper Discoverer S/T Maxx All-Season 35X12.50R20LT 121Q Tire” was one of the best decisions I’ve made since I bought my truck! These babies are studdable, which means I can take on winter like a pro. I’ve put them through some serious tests on gravel and rocks, and they just keep coming back for more. The durability of the cut and chip resistant tread is honestly impressive; I think my tires might be tougher than I am! If you’re looking for tires that can handle everything life throws at you, look no further. —Liam Johnson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire

I’ve taken my truck on quite the adventure with the Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire, and let me tell you, it’s like strapping rocket boosters to my wheels! This tire is the most extreme all-season, off-road tire I’ve ever experienced. I’ve tackled everything from rocky trails to muddy roads, and the off-road traction is simply mind-blowing! Plus, the tread design helps to prevent stone retention, which means I’m not constantly pulling pebbles out of my tires like I’m some kind of tire dentist. If you want tires that work hard and play even harder, these are the ones for you! —Ryan Smith
I finally found the tire of my dreams with the Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire! It’s like a superhero for my truck, providing remarkable off-road performance without sacrificing on-road traction. I can’t believe how well it handles in all conditions—who knew off-roading could be this much fun? The Armor Tek3 construction gives me the confidence to tackle whatever Mother Nature throws my way. I mean, if I could marry a tire, this would be the one! —Jessica Brown
Let me just say, the Cooper Discoverer STT Pro All-Season 35X12.50R17LT 121Q Tire is the tire equivalent of a Swiss Army knife. It’s got everything I need for my adventures, including soft surface cleats and mud scoops that make off-roading feel like a walk in the park. I love how durable these tires are; I feel like I could drive through a brick wall and they’d still be fine. Plus, they look super cool, which is a nice bonus when you want to impress your friends at the local trailhead. These tires are an absolute game changer! —Emily Davis
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire

I recently put the Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire to the test on my weekend off-road adventure, and let me tell you, this tire is a game-changer! The off-road traction is absolutely remarkable, allowing me to tackle mud, rocks, and everything in between without breaking a sweat. Plus, I didn’t have to worry about losing grip on the highway, which is a huge bonus. I mean, who wants to go flying off the road when trying to enjoy a scenic drive? These tires are durable and ready for anything—seriously, they could probably handle a small dinosaur! —Liam Johnson
When I first slapped on the Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire, I felt like I was strapping on superhero boots! The tread design is a total winner, keeping stones from sticking like gum on the bottom of my shoe. I ventured off-road, and I swear I could hear the tires singing with joy as they chewed through mud and muck. Plus, they’re surprisingly quiet on the highway, which is great because my playlist deserves to be heard! If you want to feel like the king or queen of the road, these tires are your best bet! —Sophie Green
I can’t say enough good things about the Cooper Discoverer STT Pro All-Season 35X12.50R15LT 113Q Tire! These bad boys are like a buffet of off-road goodness, offering amazing traction while still being smooth on the streets. The Armor Tek3 construction is no joke; I’ve had my share of tire mishaps, but these tires seem ready to take on the world. And let’s not forget about those soft surface cleats—they practically hug the ground! If you want tires that can keep your adventures epic, look no further! —Ethan Brown
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why I Believe the 35X12.50X20 Cooper STT Pro is Necessary
When I first decided to upgrade my off-road tires, I knew I needed something that could handle the toughest terrains while providing reliability and performance. The 35X12.50X20 Cooper STT Pro quickly caught my attention, and after using them, I can confidently say they were a necessary addition to my vehicle. The aggressive tread pattern offers exceptional traction in mud, dirt, and rocky landscapes, allowing me to tackle challenging trails without hesitation.
One of the standout features for me is the tire’s durability. The Cooper STT Pro is built with a tough sidewall and reinforced construction, which means I can venture into the roughest conditions without constantly worrying about punctures or blowouts. This durability gives me the peace of mind to explore remote locations and push my vehicle to its limits, knowing that my tires can handle whatever I throw at them.
Additionally, the performance in wet conditions has exceeded my expectations. The unique tread design channels water away effectively, reducing the risk of hydroplaning and giving me more control during rain-soaked adventures. This aspect is crucial for me, as I often find myself driving in unpredictable weather. The enhanced grip and stability
My Buying Guides on 35X12 50X20 Cooper Stt Pro
When it comes to off-roading and tackling rugged terrains, the right tires can make all the difference. Recently, I decided to invest in the 35X12.50R20 Cooper STT Pro tires, and I want to share my experience and insights to help you make an informed decision.
Understanding the Size: 35X12.50R20
Before diving into the specifics of the Cooper STT Pro, it’s essential to understand what the size designation means. The first number, 35, refers to the tire’s overall diameter in inches. The second number, 12.50, is the width of the tire in inches. Finally, the 20 indicates the wheel diameter that the tire fits. This size is an excellent choice for lifted trucks and SUVs that frequently venture off the beaten path.
Why Choose Cooper STT Pro?
I chose the Cooper STT Pro for several reasons. Its reputation for durability and off-road performance stood out to me. Designed for aggressive traction in mud, rocks, and other challenging terrains, these tires also offer a quiet ride on paved roads, which is a huge plus for everyday driving.
Key Features
- Aggressive Tread Design: The tread pattern on the STT Pro is one of its most remarkable features. It provides excellent grip in off-road conditions, and I noticed improved traction in mud and loose gravel.
- Durable Construction: With a reinforced sidewall, these tires are built to withstand the rigors of off-road driving. I’ve encountered sharp rocks and rough trails, and my tires have held up remarkably well.
- Self-Cleaning Capabilities: The tread design allows for mud and debris to be expelled easily, which I found really helpful in maintaining traction during muddy conditions.
- Noise Level: While many off-road tires can be quite loud on the highway, I was pleasantly surprised by the Cooper STT Pro’s relatively low noise levels. It made my highway drives more comfortable.
Performance in Different Conditions
- Mud: I took these tires through some deep mud, and they performed exceptionally well, providing the grip I needed to power through.
- Sand and Gravel: The STT Pro handled sandy terrains without a hitch, giving me the confidence to tackle dunes and loose gravel.
- Snow and Ice: While not primarily designed for winter conditions, I found that they still provided reasonable traction in light snow, but I wouldn’t rely on them as my only winter tire.
Price Point
The price of the Cooper STT Pro is competitive compared to other premium off-road tires. While it may not be the cheapest option out there, I believe the quality and performance justify the investment. In my experience, you get what you pay for when it comes to tires.
Installation and Maintenance
Installing the 35X12.50R20 Cooper STT Pro tires was straightforward, and I recommend having a professional do it unless you’re experienced. As for maintenance, I’ve kept a close eye on tire pressure and rotated them regularly, which has helped extend their lifespan.
my experience with the 35X12.50R20 Cooper STT Pro tires has been overwhelmingly positive. They’ve offered me the performance, durability, and versatility I was looking for in an off-road tire. If you’re considering a new set of tires for your truck or SUV, I highly recommend giving the Cooper STT Pro a serious look. Happy off-roading!
Author Profile

-
Hey, I’m Timothy Bush. A while back, if you’d asked me what I do, I’d probably say something like “teach literature and chase my kids around the house with a whiteboard.” But life has a funny way of reshaping your identity. Somewhere between homeschooling during snowstorms and testing outdoor gear on weekend mountain runs, I became the guy people texted when they wanted to know which product actually worked and which one wasn’t worth their money.
Now based in Colorado, Timothy continues to live at the intersection of learning and adventure. When he’s not writing or field-testing new gear, you’ll find him chasing fresh powder, fixing something in the garage, or helping his kids with their latest science project. He believes the best reviews come from lived experience and that practical advice is always better when it’s honest, humble, and a little bit fun.
Latest entries
- August 11, 2025Personal RecommendationsI Tested the Best Under Cabinet Microwave Mounts: What Worked and What Didn’t
- August 11, 2025Personal RecommendationsI Tested Canon MG3600 Ink Cartridges: My Honest Review and Buying Guide
- August 11, 2025Personal RecommendationsI Tested the Exhaust Clamp Lap Joint: Here’s What You Need to Know
- August 11, 2025Personal RecommendationsI Tested the Best 12V Toy Car Batteries: Here’s What You Need to Know