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Reviews - Cooper Discoverer STT On / Offroad Tires Reviews by Offroaders.com - - - - - - - - - - - - - - - Review Engine Powered by ReviewPost


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Recommended By Average Price Average Rating
88% of reviewers $326.05 8.0
Cooper-Discoverer-STT.jpg


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Description: Cooper Discoverer STT On / Offroad Tires


The Discoverer STT is Cooper's premium high void off-road light truck traction tire designed for drivers who want the utmost in off-road traction. It is offered in a wide range of commercial and large diameter flotation sizes and is designed for use on pickups, SUVs and off-road vehicles.


DEEP BUTTRESS LUGS


The Discoverer STT's aggressive tread design extends far down the sidewall of the tire to enhance its soft surface traction and also provide additional “bite” in rock climbing applications.
RIM FLANGE PROTECTOR


Strategically placed in the lower side wall area, this feature helps protect the wheel and tire from hazards in off-road driving conditions while enhancing appearance.


TAPERED STONE EJECTORS


An integral stone ejector rib extends down from the center lugs to the buttress blocks to help prevent stones and debris from lodging between the tread elements while contributing to the overall soft surface traction.


SUPER TRACTION TREAD


The Discoverer STT's computer designed, non-directional tread employs a combination of features including deep buttress lugs, notched and scalloped shoulder lugs, and a unique center traction zone to create a bold, aggressive tire for tough off-road applications.


ARMOR-TEK3 CARCASS CONSTRUCTION


The heavy duty carcass of the Discoverer STT is constructed of two radial polyester body plies and one angled polyester body ply to deliver 3 plies of protection for superior resistance to impact breaks and bruising.
Keywords: Cooper Discoverer STT Mud Terrain MT


      Cooper-Discoverer-STT.jpg

Anonymous
Review Date: Tue January 26, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 10 

 
Pros:
Cons:

Iv got a set of stt's on my 93 chevy half ton i love them on road and in mud and they are great in snow to iv got nothing bad to say at all mine are 32x10.10x16
Anonymous
Review Date: Wed February 3, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 7 

 
Pros: Queit, good in snow, wet roads, mud
Cons: Horrible in cold weather on slick roads

My friends all have these tires and when I finally wore out my pro comp xtreme a/t's they couldnt get me another set for 8weeks so I threw these on. They were $50 more/tire but my buddies raved about them. They are good in most conditions and just as quiet on the highway but the front end of my truck slides when I take corners with a skiff of snow on the road, where my pro comps didnt. And I am reasonable I know ice nothing grips but I think most ppl mean slick roads. Compared to the pro comps they suck in cold (under -25) but that is my only complaint. Just gotta find out how long they last.
Anonymous
Review Date: Sun February 14, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 5 

 
Pros: I hope they are a great tire
Cons: If not oh well lol

I have taken the day off Monday and Tuesday. Monday I will put my lift on new ball joints and new pol bushings. Tuesday I go down to the tire shop and get my new stts mounted and balanced and an new alignment. With a fresh new front end these tires should wear and work perfect
Anonymous
Review Date: Wed March 3, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 8 

 
Pros: good looking tire and quite
Cons: mileage

I got these tires after lifting my 2008 Z71 4x4 and i did not have any troubles with the tires. The only beef I have with them is that they lasted me 8 months and about 15,000 miles. Past that they were a good tire..I would not buy again. I got a set of NITTO MUB GRAP. and i love them.
Anonymous
Review Date: Sun March 14, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 9 

 
Pros: Great in mud,snow,gravel roads, and wet/dry conditions
Cons: not best on ice(but what is)

27,000 miles and still half tread on a 04' Frontier! Last a long time compared to other mud tires, not the best on icy roads, but you cant expect that out of a mud tire, i live in wisconsin so i experience every condition possible, they work great!!!
Anonymous
Review Date: Sat May 15, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 10 

 
Pros: Long tread life, stable at all speeds, good off road traction.
Cons: None

I have these tires on a 2006 F250, very stable at all speeds, on and off road. Snow or mud, I have no complaints. I put 25000 miles on them and never rotated them until 25K when they started to chop but soon smoothed out.
Anonymous
Review Date: Tue May 25, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 8 

 
Pros: Good for any every day driver/ weekend wheeler
Cons: Full Size Trucks

You people dont know shit about the tire until you buy it. So quit making up shit to make other tires look better. Ill admit that there are some better tires. But i dont believe that there is a better tire at this price. NO TIRE will candle good on ICE unless you have studs. If you want a different tire then buy it. I have a set of 32x11.50s on my dodge dakota and about 35,000 miles with well more than 50% tread still on them. Dont judge the tire until you buy it.
Anonymous
Review Date: Thu June 3, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 8 

 
Pros: good all-around mans truck tire
Cons: not all that amazing in serious mud, sand, or wet pavement

have a 98 dodge ram 1500 4x4, with a 5.9lt v8. i bought the truck about 3000 miles ago when i moved to NC, its got the 285/75-16's(supposedly 33x11.5). since then they have worn/chipped considerably; mostly because my own fault, becoming familiar with more miles in trails/open woods that will will for the most part fit a full sized truck than the roads going to and from work (military) like i should have.


trails, creeks, steep hills made of grass, clay, mud and rocks that i thought i would have a hard time with but went up with surprising ease. sand pits, mud, water holes, and the occasional rafting trip that more or less had to with the flotation abilities of my truck and not of the tires. yeah, bad choice but it didn't look that deep at the time, until i saw a solid wave of water ramp 10 feet off my windshield in slow motion and my truck began to shudder from the water filling up in the intake and the exhaust bubbling out from under water.


but believe it or not, after my truck sunk to the bottom, those tires caught something and slowly (limited to the low speed of engine) dragged it safe onto semi dry land.. both times.. from different areas.. that should mean something, right?


saying that, like all tires are horrible on ice, these tires are scary bad in dry deep NC sand. 4wd wasn't working well because of the water in diffs from last canoeing experience mentioned above. ultimately 20mins later still in 2wd, i got out, but from now on, i avoid dry sand unless i have a backup truck with a long tow strap and hit the sand with speed, then its no problem. especially if the tires are deflated, but as with most of us with daily drivers, its not fun to deflate your tires, bettering the risk of a bead blow out, then driving to a gas station to re-inflate your tires meanwhile your tires wear faster than normal due to the lower pressure. impractical, but hey, what can the average joe do about that. loose sand stinks like driving on ice.


in mud:
these tires i must admit are less than amazing. they load up in the thick mud or other sticky devilish stuff, but with most "mud" tires, apply speed, and they will "self clean". no awesome mud slinging, bog broiling mud tires. but then again that's why they have "super swampers" and "boggers" and "ultra mega mud tires". they are there for the die hard mudders that have money to spend on their super soft compound tires built FOR mudding, not everyday street use on the daily commute. like me, or the average joe, who lives paycheck to paycheck. i have yet to see a tire that does it all. heck, i just happened to buy the truck with these stinkin' tires on it that turned out to be an exceptionally above average, average working mans truck tire. at the same time i want to say a disclaimer that these super duper miracle mud tires that people get all worked up about are the best at what they do (churning mud while moving steel), and eventually i plan on getting a set of interco ssr's. that is when and if i get a lot of money. until then i will stick with the ones I've got, which work insanely better than stock tires, probably even my truck with the coopers in 2wd would work the same if not better than stock tires in 4wd, under some mud situations that is.


Now on to the wet weather handling. recently I've had a lot of miserable in the forecast, and here in NC it only seems to pour while I'm driving to and from work. when i said pour, i meant that if my windshield wipers worked about 3x faster than max, i could see out my windshield. regardless, these tires could either use more weight in the bed or a weaker engine (my 98 5.9lt v8 with a K&N intake and Hypertech programmer is pretty stout in torque department), or they could just be to worn to have normal wet traction. im not sure which one, it could just be these tires stink in wet weather, but one things for sure, its fun to drive when its wet out. i can punch the gas going 30mph and posi will kick in when the rear tires are lost somewhere in a high speed heaven, and the rear end drifts off to somewhere where cops love to pull you over. because of this in wet weather i take low speed turns slower to the point of it being probably more dangerous due to road rage than it is of sliding out of control and hitting, no.. ramming something with my dodge. just like no tire is perfect on ice or in deep sand and perfect in another area. id assume that it is normal for this tire to be less than amazing on very wet pavement. but it is more than acceptable in terms of wet performance with a "mud" tire. just like there is no such thing as an "all terrain" tire, sorry, "un-named tire brands", but that was a great sales pitch until people who actually value the usefulness of their trucks realized that they would be useless in the everyday drivers schedule except to look pretty.


there is no such thing, and wont be until cars fly, as a tire that does it all great. PERIOD. anyone care to prove that wrong please feel free to make your argument and let the other people post on that, but this is not what this post is about. saying that no tire can do it all, i would have to say that these old coopers would come pretty close to being a do it all tire for the average joe. but then again it all boils down to how much money you can spend in rubber towards what you want your truck to do realistically. so look around and find a good deal or just spend alot of money and buy some new tires. everybody is different, so find out for yourself. i hope this helps everyone.
Anonymous
Review Date: Thu June 3, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 10 

 
Pros:
Cons:

Got a set of these on a LR Defender. They are so much better than the BFG mud terrains I had before in Mud.
Anonymous
Review Date: Thu June 3, 2010 Would you recommend the product? Yes | Price you paid (per item)?: None indicated | Rating: 8 

 
Pros:
Cons:

as in the above really long post i mentioned that these tires aren't as visually impressive as the "mega mud tires" with huge mud slinging lugs. but they do work excellent in the goo.


i have been stuck a few times, but those times have only been because i was bottomed out and the tires couldn't do their job spinning freely on nothing.
(i dont have any form of extra lift on my truck).


so far, as long as the tires are on the ground and not the frame, i haven't been stuck. which is a lot to say, and enough for me. i would recommend these provided the price is right.
Anonymous
Review Date: Thu August 5, 2010 Would you recommend the product? Yes | Price you paid (per item)?: $185.00 | Rating: 9 

 
Pros: Good rock tire
Cons: none

This is my first season to run this tire on 2 Jeeps in my Jeep Tour guide business in Red River, New Mexico. I run 33x12.50's on both Jeeps with up to 8 people per safari style jeep.
The STT's take a beating in the rocks but hold up great. No mud here just sharp wet rocks and the STT does the trick. Next season they will be on all our tour Jeeps. Great tire!
Anonymous
Review Date: Sat August 7, 2010 Would you recommend the product? No | Price you paid (per item)?: None indicated | Rating: 2 

 
Pros: looks, good on road
Cons: tread punctures easily, no good in mud

bought these tires 2 mos ago, they seemed to be alright til i took them offroad and had 3 punctures from rocks in one day. sidewalls also ripped in a couple places. will NOT buy these again
Anonymous
Review Date: Mon August 9, 2010 Would you recommend the product? No | Price you paid (per item)?: None indicated | Rating: 1 

 
Pros: none
Cons: poor wear and tread seperation

with less than 15k miles on them coming home from a fishing trip the rear tire tread seperated at 70mph scared the hell out of my family and did 2800 dollars damage to the bed of my truck. so now im out a 500 dollar duduc and needing a new set of tires and they will not be coopers.
Anonymous
Review Date: Thu September 2, 2010 Would you recommend the product? Yes | Price you paid (per item)?: $160.00 | Rating: 10 

 
Pros: LOVE THE TIRES
Cons: NONE

I have owned at least 4 or 5 sets of theses tires.I drive a 92 Toyota pickup. I have run theses over 6 years on my truck.Pavement,snow ,mud,rain .They will last forever.Good running Tire
Anonymous
Review Date: Mon October 25, 2010 Would you recommend the product? No | Price you paid (per item)?: None indicated | Rating: 1 

 
Pros: decent snow and off road/muddy trail traction
Cons: PRICE, Lousy tire life, "Tire walk"

I live north of Syracuse,NY in the fabled Lake Ontario snow belt. I ran these tires on an 04 Ram 3500 Quad Cab with Cummins engine, and granted it's a heavy truck but these tires are the worst I've ever had for tread life, 13,000 miles and they're nearly slick!


I use my truck to tow and haul heavy payloads, but all well within the trucks legal capacity, and I run the pressure around 74 psi front and rear. The tires were also rotated frequently and they still suck for wear!


I paid $281 each for these tires mounted and balanced, that was the going rate at all of the local shops who carry this tire. This tire was so expensive and wore out so quickly that I will never buy them again and probably never even consider another Cooper tire again. These tires also experienced sidewall cracking but not bad enough to cause any appreciable leakage.


FWIW I had two sets of BF Goodrich Rugged trails on this truck prior to the STTs and they were superior to the Coopers in every way except mud and snow traction and even there the delta wasn't as large as I would have expected. In terms of value the STT is possibly the worst tire ever made for a work truck. Maybe they are great for all of you lightweight haulers out there but at nearly $300 a piece I expected something much better.
Anonymous
Review Date: Tue November 9, 2010 Would you recommend the product? No | Price you paid (per item)?: None indicated | Rating: 5 

 
Pros: They roll
Cons: Wear like fast

I have a 2005 Dodge 2500 Diesel, and the tires only have 25,000 miles and they are BALD!! The last set of Pro-Comp Xtream Mud went 50,000. I have done some off road driving with them and they perform fairly average. Nothing to write home about.
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