46stude wrote:
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unless you can somehow prove that the tire was at fault
If the tire popped, it was at fault. You could hit a large rock on a residential street & cause the same damage as hitting one on the trail.
Discount's tire warranty is pretty much the same as "Big-O" (I've never heard of them myself). I had a tire blow out because I ran it w/ a bad rear wheel bearing. It generated so much heat that the grease that had splattered on the tire caught fire (as well as the rest of the grease on the axle) & blew it up. Took the tire up to Discount, they looked & it and mounted a new tire free of charge. The tires were about 8 months old, IIRC.
You either bought the tire warranty from Discount, or you knew somebody who worked there that could give you the new tire.
As for popping the tire being the tire's fault, that's up in the air. If you banged up the sidewall into a sharp rock it will blow out easily, regardless of how well it's made. Making it the driver's fault for hitting the rock in the first place. Sure, there are exceptions, but they are few. Tires are still pretty well made. especially the major brands. I had a friend who was laying some rubber on a rock one time and blew a tire when it went over a sharp spot. It happens sometimes, but it isn't necesarily the tire's fault.
On to lighter subjects, my Dakota came with Goodyear Wrangler RT/S tires. Can't recall the size off the top of my head now, but rain traction STINKS on them. When it rains here in AZ though (yeah, it does rain here about once every hundred years), it is a lot of fun. 1st, 2nd, 3rd gear, roast 'em down the highway at 55 mph.
rezkid- read that warrenty very carefully. I'm not saying I can't be wrong, but be careful. If you didn't specifically purchase a road hazzard warrenty, you probably got none. Most road hazzard warrenties are done in terms of time as well. Like Big-O warrenties them for 1 year. I think Michellin comes automatically with a 30 day road hazzard, but I'm not positive. Memory is a little hazy there, and I"m too lazy to look all of this stuff now, but I did do some research to make sure I wasn't getting things mixed up in my head.
I will quote Discount Tire's warrenty:
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NFO CENTER
Certificate For Free Replacement
We'd like to thank you for being a Discount Tire Direct customer. We would also like you to know that we are proud of the fact that we offer the best tire warranty in the business. We are the only mail order Tire Company to offer a tire replacement certificate. This certificate covers any type of tire purchased from us, except racing tires. If any tire fails due to a defect or incurs a puncture that cannot be repaired, Discount Tire Direct will replace the tire FREE of charge. This is extremely affordable, and if you use it just once it will pay for itself. How does this all work?
How You Are Covered
In the event one of your tires fails due to a defect or incurs a puncture that cannot be repaired, and there is at least 3/32" of tread depth across the tire, and is less than 3 years from the date of purchase, Discount Tire Direct will replace it absolutely FREE, including the freight to you. This is regardless of how many miles you've put on them. We have been selling this warranty for 28 years. Nobody in the industry can beat this deal!
How To Redeem The Certificate
You have two ways you can redeem this certificate. You can purchase the replacement* tire and we will send it to you by UPS ground service. After you have installed the new tire, send us the damaged tire. After inspection** you will be credited in full for the cost of the tire and the UPS ground freight. You can also send us the damaged tire first and, after inspection**, Discount Tire Direct will immediately send out a replacement* tire at no charge. It's that easy!
Note: The customer is responsible for the freight cost of returning the damaged tire to Discount Tire Direct.
How To Purchase The Certificate
If you have already purchased the certificate, drive confidently knowing you have the best warranty in the business. If you have not, you have 30 days from the date of purchase to buy the certificate. Give our courteous staff a call at 800-589-6789 and tell them you would like to buy the Discount Tire Direct certificate for free replacement. Remember, the sooner you call, the sooner you're covered.
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* In the event the registered tire (or tires) is discontinued or not available, a tire of similar value will be substituted.
** This certificate does not cover abnormal tire wear. Misalignment, suspension problems, or improper inflation may cause abnormal tire wear. Nor does it cover damage caused by collision, vandalism, or willful abuse.
Big-O Tire goes like this as best as I can find:
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Limited Free Replacement Warranty for Big O Passenger and RV Light Truck Tires
Every new Big O brand tire bearing the Big O name with serial number and not marked "Blem" and purchased at a Big O Tires store, is warranted against damage or failure due to defects in workmanship, materials or road hazard failure for the life of the original tread. Any such tire, which becomes unserviceable during the corresponding replacement warranty period, will be repaired or replaced free of charge at a Big O Tires store. You may be charged for installation and any sales tax. Should a suitable replacement tire not be available in a reasonable time, the original purchase price, including sales tax will be refunded.
Now do all tire companies cheat in advertising? Yes. Big-O cheats by saying "all our tires come with a 4 year replacement warrenty". IN fact, they come with a 1 year warranty. You can PAY and get UP TO 4 years of replacement. I don't know the price difference between Big-O and Discount, or any of that stuff. If anyone cares to look it up, be my guest.

I'm not some kind of Big-O sales rep here.
edit: this is much more complete for BIg-O:
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LIMITED FREE REPLACEMENT WARRANTY FOR BIG O PASSENGER AND RV LIGHT TRUCK TIRES Every new Big O brand Tire bearing the Big O name with serial number and not marked "blem" and purchased at a franchised Big O Tires store, is warranted against failure due to defects in workmanship, materials and road hazard failure for the life of the original tread (down to 2/32nds of an inches remaining tread).
The following tires are warranted without limitations to time:
Legacy Tour Plus
Big Foot AT- All Terrain,Sport Touring and Dual Groove
Big Foot XT
Big Foot MT
Any such tire which becomes unserviceable as per the terms of this warranty will be repaired or replaced free of charge at a franchised Big O Tires store. (You will be charged for mounting and balancing.)
The following tires are warranted for the first four years of service and prorated thereafter:
SXP Super Sport
Euro Tour
Any such tire that becomes unserviceable during the first four years after purchase per the terms of this warranty will be repaired or replaced free of charge at a franchised Big O Tires store. Thereafter, credit will be granted on a prorated basis until the tire is legally worn out and no longer warranted. (You will be charged for mounting and balancing.)
The following tires are warranted for the first three years of service and prorated thereafter:
Aspen passenger
Pathmax RT
Big Foot HT
Any such tire that becomes unserviceable during the first three years after purchase per the terms of this warranty will be repaired or replaced free of charge at a franchised Big O Tires store. Thereafter, credit will be granted on a prorated basis until the tire is legally worn out and no longer warranted. (You will be charged for mounting and balancing.)
The following tires are warranted for the first one year of service and prorated thereafter:
Vengeance
Any such tire that becomes unserviceable during the first three years after purchase per the terms of this warranty will be repaired or replaced free of charge at a franchised Big O Tires store. Thereafter, credit will be granted on a prorated basis until the tire is legally worn out and no longer warranted. (You will be charged for mounting and balancing.)
GENERAL CONDITIONS AND DEFINITIONS:
PROOF OF PURCHASE REQUIRED
Big O's limited warranties for new Big O brand tires will be honored at any franchised big O Tires store. The failed tire must be returned to a Big O Tires store. This warranty is not transferable. Warranty applies to original purchaser only.
PROPER TIRE REPAIR
All big O tires must be repaired in accordance with Big O's appropriate Tire Repair Policy. An improper repair does not constitute an adjustable condition. Tires that fail as the result of an improper repair are excluded from the warranty.
ROAD HAZARD FAILURE
The term "road hazard failure" includes non-repairable punctures, cuts, impact breaks, bruises and similar injuries.
REPAIRABLE TIRE
A puncture or penetration (not to exceed 1/4" at its widest point) will be repaired as specified under Big O's Tire Repair Policy.
EXCLUSIONS FROM WARRANTY
Those tire which become unserviceable due to accident, fire, theft, chain damage, vandalism, racing, improper balance or alignment (uneven or irregular wear), lack of or improper rotation, improper repair, improper inflation pressure, repairable punctures, overloading, vehicle obstruction and similar types of damage or abuse are excluded from the warranty.
LIFE OF TREAD
"Life of tread" means down to 2/32nds of an inch of remaining tread, at which point the tires are considered worn out and no longer warranted.
LIMITATION OF CONSEQUENTIAL DAMAGE
The above warranties do not cover consequential damage and any liability is limited to repairing or replacing the tire at a franchised big O Tires store in accordance with the terms set forth above. Some states do not allow the exclusion or limitation of incidental or consequential damages, so these limitations may not apply. This warranty provides specific legal rights, and there may be other rights which may vary from state to state.