When to Replace Your Tires | Consumer Reports
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- เผยแพร่เมื่อ 18 พ.ค. 2024
- The lifespan of a tire can range anywhere from 25,000 miles to 100,000 miles. The experts at CR show you how to check your tires so you’ll know exactly when to replace them.
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I use the Penny test. What's with the quarter now?
Just buy a tire depth gauge, then no more confusion.
CR caters to a high income group
Good question! The quarter and the penny tests offer two different measurements. On a quarter, the distance between George Washington's head and the edge of the quarter is 4/32". If the top of his head is flush with the tread, you have about 4/32" of tread left, meaning you have some grip remaining for rainy or snowy conditions. That’s the time when you should start shopping for new tires. Now with a penny, the distance between Lincoln's head and the edge of the coin is 2/32", which is the legal tread depth limit in most states. If you place the penny in the tread and can see Abe's head, then you should replace your tires immediately. Hope that clears things up! This article should help: www.consumerreports.org/tires/when-to-replace-your-tires/
The quarter is considered a more conservative/safer test because it indicates more tread left than a penny, but is still easy to interpret.
Tires that are less than 4/32 of an inch are dangerous, 4/32 is marginal, 5/32 is ok, and 6/32 or greater is good
One additional issue I recently encountered. I bought a 2012 Volkswagen CC from a private party with only 44K miles on car and its original tires. The tire tread examination revealed no problems and the owner who had purchased the car when it was new had taken immaculate care of it in terms of tire rotations and inflation. Nevertheless, I replaced the tires. Why?
The car is meant as my 17 y/o daughter's daily driver and despite the relatively low mileage the tires are nine years old. (Other comparable models I looked at had at least 100K miles on the clock.) As my mechanic put it, "Rubber gets old whether a car is driven or not." Admittedly replacing the original tires was out of an abundance of caution. If I were the primary driver, I might well have given the tires another 10,000 or more miles. But I'm a dad and having a new set of tires is reassuring when my daughter drives the car.
yes...good care.
This is what I call necessary content
Unnecessary IMO. The most obvious content. Nothing new.
@@chuckwalla2967 lack of empathy makes you think this way. Forgive us simple people that was not as well educated as you were. Still necessary content, thanks CR by the way!
@@malabo10 Thank YOU!
In cross section a tire is close to perfectly round. The recommended inflation pressure is the pressure that allows the maximal cross sectional surface area to be in contact with the road. If a tire is under-inflated a portion of the sidewall that is not designed to bear the weight of the car comes into contact with the road. This increases the friction between tire and road as the tire rotates. The results are excessive tire wear and reduced gas mileage. If the tires are inflated above the recommended pressure the portion of the tire tread that contacts the road is reduced. Picture the very small surface area of a fully inflated balloon that contacts a flat surface on which the balloon is resting. The diminished amount of tire tread in contact with the road reduces breaking efficiency and increases tire wear in the middle of the tread.
When you can afford it.
What about the issue of age of the tires, regardless of mileage or wear? I know there are many factors that play into that, but seems to me it is worth mentioning as another factor to consider when thinking about tire replacement.
Yeah, they definitely can dry rot. They will be all cracked on the sidewalls. Grandparents cars can be susceptible to this, because they may only drive 1k miles a year. My inlaws had a 96 camry with original tires over 10 years later.
Definitely. Sun exposure reduces lifetime too. I'm surprised the video didn't mention it. I'm positive I learned time is an issue from CR.
@@pleco101 yeah, it was the stereotypical only drives to grocery store, doctor, or church situation. It was kept under a carport, so maybe that saved them from a blowout. Car still ran great when the owner died 2010, and lived on as a handme down to my niece. I hope my sister in law bought new tires for it then, lol.
I live in Arizona and while the summers are the worst, tires will dryrot all year round because of how much sun exposure we get. My tires have averaged 3-4 years on middle-tier quality sets at about 10,000 miles a year. Now for top of the line brands I would expect a little longer but nowhere near the full 80,000 mile warranty. And that's with having no suspension or alignment issues.
Watch for cracks on side walls. This is dry rot. 10 years is maximum age for tires, but I replaced my 8 year old tires last year because the car sits in hot sun and I could see cracks. Also, tire dealers recommend replacing after 6 years.
Awesome video, so easy to follow and engaging.
Just touch the wear marks with your finger and compare with left/right and front/rear. Rotate tires if you clearly feel the difference. Coins are obsolete.
Most tires come with wear bars that say when they're due to be replaced
Two things I’ll spend for the best are tires and brakes. We have a lot of rutted asphalt which pools water making it easy to hydroplane so I always replace tires early.
I wish CR would do a report on run flats since so many OEM are putting them on their new cars, advantages and disadvantages and what really happens when you get a flat with theses tires.
How about benefits on mounting? I’ve had great treadlife and wear when using a company that uses a road force balance vs a normal spin when balancing new tires. Thoughts or data on this?
We have used a Hunter road force balancer which can identify potential ride complaints associated with tire and wheel non-uniformity. Our experience with mounting and balancing hundreds of tires a year is that most tires have good uniformity and consistency, thanks to automated processes used in many tire manufacturing facilities. Wheel non-uniformity can be an issue, especially on used wheels that might have bent in a pothole encounter. We have had good success in mounting new tires and on new and used wheels using a regular spin balancer, but the road force machines have their place in diagnosing a potential ride issue. Hope this helps!
What performance all season tires are currently being tested? Very interested to know about the CrossClimate2 if it's not already part of the test. And when will the ratings be published online, and which print issue? Thanks!
We are nearing completion of our performance all season tire program including the Michelin CrossClimate2. We expect publication in the September time-frame online at CR.org.
WHENI bought my last car it was a1 owner 2013 FORD TAURUS, in 2016, it had 21k miles on it, all 4 had EXCELLENT TREA LIFE, BUTI replaced then next year as they had some subtle sidewall cuts, also replaced the battery, , I did NOT replace the identical ones, but same brand,same M+S also been using a full synthetic oil 🇺🇸🇺🇸🇺🇸🇺🇸
We used to use a penny to measure tread depth; now we have to use a quarter. Guess there really is a problem with this inflation thing - talking about the economy, not air pressure. 😁😁😁
I wish you had included something about whether and when a tire should be replaced because of its age even if the tread depth is still acceptable
Tell me what to do when I have two sets of good Michelin tires, both from Costco, that are nearly but not quite down to the wear bars, and I'm driving on what look like nearly bald tires in an area where it's very frequently snowing, icy or slushy; but Costco says they won't warranty them. That last millimeter of tread seemingly takes longer than the entire rest of the tire's life to go away, and in the meantime I have to put my family's life at risk or forego the treadwear warranty.
Not bad vid but need more points like weather & age of the tires
Did someone mention some states recommend replacing tires after 6 years if sign of light cracking due to hot climate ?
Tire Age Limit Law
While there is no specific law, the U.S. Department of Transportation (DOT) recommends replacing passenger car and truck tires every 6 years, regardless of wear. However, they strongly advise that all tires, including spares, should be replaced after 10 years, as a precautionary measure for safety.
Why use any coins to measure the thread depth? Just use the treadwear bars on your tire, that's what they're there for.
What if your tires are 8 years old, have only 32,000 miles, still look good, car was parked in a garage most of the time? Are they still safe?
I couldn't do this test because I couldn't find an American flag to park in front of
Is it true that the tires on a 4x4 need no rotation!?
We recommend consulting your vehicle's owner's manual. As an example, our Kia Telluride used for tire testing recommends a tire rotation every 6,500 miles. We rotate tires on pickups and SUVs used in our tread life tests to ensure even wear and optimum wear life.
I have AWD and I rotate them. I mainly do it because it makes sure the tread wears evenly because you’re constantly turning your front tires, so I still think the fronts will wear a little quicker.
Why bother measuring with a coin when you can get a depth gauge for six dollars?
To save 6$
Why my tires wear out so quickly ?? Thanks
When air is visible in them
Skiddded through a stop sign on the off-ramp. I think I need new tires
Certain tyres ARE DIRECTIONAL, which negates ROTATION, also SOME CARS HAVE DIFFERENT SIZED IN FRONT &REAR, no rotation there, maybe left to right, 🇺🇸🇺🇸🇺🇸🇺🇸
I should have known what I was getting myself into.. watching american explanation when to replace a tire
Another time to replace your tires is when they start performing poorly - vibrations, poor traction etc. Sometimes that's before the tread is gone.
5/32 of an inch or 5 years whichever comes first
Surprised there is no mention of replacement because of age.
It's the only thing between you and the ground I only buy 60000 mile tires or less
Do not use a quarter or any other coin. Buy an easy-to-use tire depth gauge for less than $10 . This will be easier on your back and far more accurate. Also, while you're at it buy a digital tire gauge.
Definitely agree with you. As a Canadian, this coin stuff is meaningless.
@@ericripley9739 And how do you feel that thread depth is still quantified in inches? No coins involved.
At the very end of the video it shows tires being stored stacked up one on top of another. I’ve been told you should never buy from a place that stores their tires like this.
When I get the money.
Why say 2/32 inch? SIMPLIFY like you were told in school and say 1/16 inch!
Industry standard. Tread depth has always been measured in 32nds. Kind of like hardwood lumber being sized in quarters - an 8/4 board is not called 2 inches.
My advice is to never change your tires. 👍
Yikes. The dumb coin thing from this organization? Just use the treadwear indicators. The coin thing is the auto media equivalent of "We drove a tank" "Flying cars" and "3D Printed cars..."
Or buy a tire tread depth gauge. More accurate.