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Cooper
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Cooper Discoverer STT Pro Reviews

Mud Terrain Light Truck tire

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  • SimpleScore™

    Our proprietary rating system
    for the modern tire buyer.

    8.1

    Great

    Score breakdown:

    8.3

    Long lasting

    Great

    8.3

    Handling

    Great

    8.1

    Traction

    Great

  • Cooper Discoverer STT Pro

    Cooper tire was founded in Akron, Ohio in 1914. Initially they produced tire repair kits, tire cement, and patches and, later, started manufacturing a full-range of affordable tires. During WWII, the company received the Army-Navy “E” Award for Excellence, recognizing their work in the war effort.

    Mud-terrain tires are built to excel in mud, dirt, sand, gravel, rock, and other off-road terrains. Additionally, these tires feature aggressive tread designs that allow them to conquer any terrain, plus reinforced sidewalls prevent damage.

    The Cooper Discoverer STT Pro is a good mud terrain tire that is built to handle extreme conditions, with solid on-road comfort and driving enjoyment. But is this the right tire for you and your ride? Let’s take a look at this Cooper Discoverer STT Pro review.

    Features and Benefits

    A good mud terrain tire that suits the needs of drivers of Jeeps, pickup trucks, and full-sized SUVs, the Discoverer STT Pro features an alternating shoulder lug that provides excellent off-road performance. Built with inner tread ribs that reduce noise and increase stability, the Discoverer STT Pro is engineered with an Armor Tek3 construction for added durability.

    But is this really the tire you are looking for? Let’s take a look at the Cooper Discoverer STT Pro tire review to help understand all its features and benefits at a glance:

    • All-Terrain competent: Rock Climber Sidewall technology provides added strength, impact protection for the toughest terrains.
    • Solid on-road performance: A strategically designed center rib and uniquely formulated rubber compound provides solid on-road handling performance for a quieter and comfortable ride.
    • Self-cleaning design: The Stone Armor Technology promotes self-cleaning capabilities that quickly expel mud and debris to provide excellent traction in extreme terrain.
    • Enhanced traction: The Discoverer STT Pro comes with Mud Slingers 2.0 and Earth Diggers technology that enhance the tires' traction and performance in both on and off-road environments, which are especially helpful in rocky terrain.
    • Durable: This tire features Armor Tek3 that provides incredible tread and sidewall durability on tough terrain.

    The wheel size ranges from 16-inch to 22-inch, which makes it an ideal choice for a wide range of Jeeps, light trucks, and SUVs.

    Pros and Cons

    Before deciding to buy the Discoverer STT Pro or not, let’s first drill down on a few factors that can help you decide whether or not the tire is right for you

    • Stone Armor Technology protects the tire from damage.
    • Mud Slingers 2.0 offer deep, wide trenches with additional notches to clear thick mud from the tire.
    • Earth Diggers Technology digs deeper into mud, sand or dirt with large shoulder scoops and lugs.
    • Rock Climber Sidewall Technology offers grip jagged rock and power through mud.
    • Armor Tek3 Technology provides incredible tread and sidewall durability on tough terrain.

    While Cooper makes a good claim about Discoverer STT Pro’s performance, some shortcomings may divide opinions.

    • A bit noisier than other tires
    • Does not perform well on icy surfaces
    • The ride is firmer than its closest premium competitors
    • Is not backed by a limited manufacturer tread life warranty

    SimpleTire’s view on Cooper Discoverer STT Pro tires

    Cooper Discoverer STT Pro

    Cooper designed the Discoverer STT Pro to be used on Jeeps and light trucks as it features alternating shoulder lugs for strengthening traction in mud and other soft surfaces, and the Discoverer STT Pro's mud release dimples force out loose soil and mud to further strengthen grip. Built with inner tread ribs that reduce noise and increase stability, the Discoverer STT Pro is engineered with an Armor Tek3 construction for added durability. The embedded stone and mud ejectors within the tread help this tire to stay clean for great traction, while added sipes help prevent cracking so that the tire has a longer lifespan and making This is a solid mud terrain tire, but if you compare it with the Maxxis Razr MT-772 then you get a warranty of 40,000 miles, increased tread life, and superior traction.

    Vehicles the Cooper Discoverer STT Pro is a good replacement tire for

    Consider the Discoverer STT Pro if you drive a Jeep Wrangler, Toyota Tundra, Ford F-150, Nissan Titan, Jeep Gladiator, Toyota Tacoma, or similar vehicles.

    171 reviews

    51 on SimpleTire120 from Google Shopping

    4.6

    overall rating

    90%

    Would you buy again?

    Write a review

    Review breakdown

    • 144 out of 100
    • 20 out of 100
    • 6 out of 100
    • 0 out of 100
    • 1 out of 100

    Scorecard

    Dry

    4.7

    Wet

    4.6

    Winter

    4.5

    Comfort

    4.4

    Noise

    4

    Treadwear

    4.2

    51 SimpleTire reviews

    Jacob
    1
    Chevrolet Silverado 1500 2020 LT Trail Boss
    Verified Customer
    May 13, 2022

    Worst tire I've ever owned. Cupped after 7k miles, Cooper wouldn't even consider a swap unless I bought a new pair and sent the ones I bought in for evaluation. Horrible tire and horrible customer service by Cooper. STAY AWAY!! Horrible vibration, and yes I rotated my tires as recommended.

    Chandler
    4.5
    Chevrolet Silverado 2500 HD 2002 LT
    Verified Customer
    Oct 1, 2021

    Surprisingly quiet for a mud tire, and ride very smoothly on my duramax. 100% pleased with my purchase!

    Michael
    5
    Ford Excursion 2002 Limited Premium 4x4
    Verified Customer
    Apr 27, 2021

    Tires are awesome

    Stacy
    5
    Toyota Tundra 2018 TRD Pro w/aluminum wheels
    Verified Customer
    Mar 17, 2021

    You will never find an affordable better quality durable long lasting tire that cuts through any weather effortlessly! Cooper Tires are the best tire you can buy and get your money's worth!

    Joe
    5
    Verified Customer
    Jan 3, 2021

    I've been running these on my Toyota tundra since I got it back in 2009 and I gotta say they've never let me down.. Ever! Just like every other MT tire you have to keep them rotated every 5000-10,000 miles if you want them to wear even. This winter we got like 8 inches of snow with ice underneath, people were in ditches wrecking, all along I didn't spin a tire. I recommend these to anyone. My only grip is when I first started buying these you could get them for about 260.00 a tire and that's for 295/70r18 now they are 314.99 a tire. I see Kumho just redesigned their MT tire and they are around the 250 mark anf from what I've seen and read they're pretty good, might have to give them a try next go round! Cooper sst pros are worth the money so don't think I was saying anything bad about them lol, I'm just cheap I guess!

    Adam
    3.5
    Verified Customer
    Dec 15, 2020

    Got these tires a year ago and they are holding up very well. I drive a 2019 Toyota Tacoma and the only issue I had with his tires on my truck why is when I Put too much weight in the bed coming from Pittsburgh to New Jersey The tree on the back tires wore a lot

    NATHAN
    5
    Verified Customer
    Sep 16, 2020

    I've had a set of these for almost 2 years now and there's still plenty of life on it. I drive a Toyota FJ Cruiser with a 3" lift and i decided to make a change from BF Goodrich KO2 LT285/70R17 to Cooper Discoverer STT PRO LT305/70R16. I love the way it looks on the truck, very aggressive looking and perform well on trails. I've taken these tires to trails in Colorado, CA and Arizona and it hasn't failed me once. I've taken this on long road trips from LA to Oregon, through heavy rainstorm and felt completely safe driving up and down the mountains in harsh weather condition. This will be the first set or many, i plan on getting another set when this gives out. Great job Cooper!

    Dallas
    4.5
    Verified Customer
    Aug 15, 2020

    Put these on a 2015 Jeep Wrangler air down and off-road the best tire I have bought they are better than my iroc super swappers.

    Dylan
    5
    Verified Customer
    Jul 7, 2020

    I have these on my 99 1ton Cummins and they handle the torque exceptionally well. They grab mud awesome which is what I need out of them since it's a farm truck/daily driver. I've got 30k miles on them and they're hardly wearing down at all. They do whine a little bit going down the road when you get over 60 but the positives far outweigh the negatives. Couldn't recommend them more.

    Jacob
    3
    Verified Customer
    Mar 21, 2020

    Would not recommend these tires had them put on my 2017 alumduty and the handle on them are pretty rough and way too noisy you can't even have a Conversation in the vehicle with out yelling. And the tires are heavy and give bad fuel mileage so all an all I'll never buy them again the price is not worth it. So I don't Know how all these guys are giving these tires good reviews.

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