How many miles a tire last


Guide to How Long A Tire Lasts

The question, "How long does a tire last?" tends to be followed by several others like, “What causes a tire to wear? When should tires be replaced? What can be done to make tires last longer?” Fortunately, we can help provide clarity around these questions.

HOW LONG A TIRE LASTS


There is no exact answer to how long a particular tire will last, but there are things a driver can do to get the most out of their tire investment and avoid driving on unsafe tires. On average, people drive between 12,000 to 15,000 miles a year, which means the average good quality all-season tire will last somewhere between three and five years, depending on maintenance, driving style and conditions, etc.

 The National Highway Traffic Safety Association (NHTSA) states a driver is three times more likely to be involved in a crash caused by poor tire condition. Safer is smarter when it comes to the health of tires, so if there is ever a question on tread wear or age, have the tires checked.

FACTORS THAT INFLUENCE HOW LONG A TIRE LASTS

Multiple factors play a role in how long a tire may remain in service. Miles driven, road conditions, driving style, maintenance and age all affect how long a tire lasts.

Worn vs. Aged

Tires naturally wear the more they are driven and worn out tires provide reduced traction compared to those with adequate tread, especially in adverse weather conditions.  Most drivers understand worn out tires (remaining tread depth at or below 2/32”) should be removed from service.

Many drivers are not aware that minimally used tires, like the ones on recreational vehicles, collectible cars, or even spare tires, tend to experience aging instead of wearing, due to a lack of driving. An aged tire has a substantial amount of tread; however, the structural integrity of the tire is weaker because the tire needs to be driven for the chemicals in the rubber to remain effective.

Curbs, Potholes, and Other Hazards

Hitting curbs or driving on roads in poor condition (potholes, broken pavement, poorly graded railroad crossings, unpaved roads, etc. ) can cause misalignment, and suspension damage that affects tire wear. If your daily drive includes these challenges, be sure to schedule annual suspension, alignment and tire checks.

Weather Conditions

Driving in poor weather conditions like ice, snow, and rain can cause tires to wear quicker because they must work harder to maintain traction. Purchasing tires that are specially engineered to perform in specific weather conditions can provide drivers with an extra measure of traction and control (meaning greater safety) while delivering good treadwear.

Bridgestone offers different types of tires designed to keep you and your car safe during any weather or road condition. For example, Bridgestone's Blizzak tire series is built to perform in harsh winter weather conditions providing durable traction on snowy and icy roads, and the Dueler tire series is one of several that offer a secure grip on wet road conditions for areas that experience heavy rain.

Poor Driving Habits

Poor driving habits like hard cornering, quick acceleration, and sudden braking can increase the stress on tires tremendously, causing them to wear rapidly. Drivers can extend the life of their tires significantly by avoiding aggressive driving.

Neglected Maintenance

It is important to regularly have tires checked for damage, to maintain air pressure levels, and to keep tires aligned and rotated. Without proper maintenance, tire life can be reduced by as much as half - even more, in some cases.

KNOWING WHEN TO REPLACE TIRES

If the below signs are evident with your tires, it may be time to have them replaced. 

Low Tread Depth

Tread loss is a significant sign a tire needs to be replaced. Low tread is a sign driver can physically see happening on their tire. Depending on the part of the tire that is wearing, there may be other problems with the vehicle.

    Pronounced inner or outer shoulder wear: tires are misaligned

    Edge of the shoulder wear: tires are under-inflated, need to be rotated or both.

    Center wear: tires may be overinflated or have been subjected to extremely hard acceleration.

    Cupped wear: the vehicle is experiencing suspension problems

    All tires have tread wear indicators built-in, but if the tread looks low take time to do the penny test on the tires.

    Rough Drive

    If you’re experiencing a vibration (particularly if it just started), or high (and increasing) levels of tire noise it may be a sign your tires are out of balance, not wearing properly or have a structural issue.  In some cases, this may affect safety, so have your tires checked by a qualified professional asap.

    DOT Number

    The U.S. Department of Transportation (DOT) number on the tire’s sidewall is another way to help keep track of when they need to be replaced. It’s easy to identify - look for the letters “DOT” followed by eleven or twelve letters and numbers.  On tires made after the year 2000 the final four digits signify the week and year of manufacture. So, a tire with “3618” would have been made in the 36th week or 2018. A tire that has a 3-digit week-and-year code means the tire was made before the year 2000 and should be replaced due to age.

    Bridgestone recommends that its Bridgestone or Firestone brand tires be removed from service after ten years regardless of their remaining tread depth.  They also recommend periodic inspections by a qualified technician for damage such as punctures, impact damage, signs of improper inflation or overloading, or other conditions resulting from the use or misuse of the tire.

    HOW LONG A TIRE LASTS: EXTENDING TREAD LIFE

    Tires are both one of the largest maintenance expenses a vehicle owner is likely to face, and one of the most critical in terms of driving safety and performance.  For both reasons it’s important to care for them properly. Bottom line: good maintenance and driving habits help keep drivers safe, and it saves them money by extending tire life.

    Easy Does It

    Tire life can be reduced by as much as half when they’re subjected to a lot of hard braking and aggressive acceleration from a standstill.  Avoiding tailgating to reduce the need for frequent hard braking will increase tire life. Easing into the throttle when pulling away from a stop reduces strain on the tires and improves wear. Slowing before sharp corners also reduces stress on tires, as does avoiding potholes and broken pavement when possible. If you’re interested in spending less on tires, following these steps can help.

    Regular Maintenance

    Another way to extend tire life is to keep up with the proper maintenance of a vehicle and its tires. A couple of things you can do yourself are to check the air pressure and tread depth.  You should have a qualified technician periodically check their balance and alignment and be sure to have tires rotated at regular intervals. maintenance is essential for your tires to perform their best and last their longest.

    How Long Should a Set of Tires Last?

    It may be tentative, but tires do have an expiration date. There is a general consensus that most tires should be inspected, if not replaced, at about six years and should be absolutely be swapped out after 10 years, regardless of how much tread they have left. How do you know how old your tires are? There’s a code on the sidewall that you can read about here. Wear is a far more straightforward consideration: Tiremakers and safety advocates say a tire is worn out when its tread depth reaches 2/32 of an inch. That’s all fine, but what most car owners want to know is how long to expect a set of new tires to last before they need to be replaced.

    “I wish it were simple to say how long each tire might last, but tires are different,” said Dan Zielinski, a spokesman for the U.S. Tire Manufacturers Association (USTMA). “Some tire manufacturers offer a warranty as high as 80,000 miles or more, reflecting confidence in that particular product’s longevity based on its engineering, technology, and design. Other tires may be built to provide 30,000 miles of service.” Or less; some high-performance tires on cars driven aggressively will be worn to the 2/32-inch point without ever seeing 15,000 miles, but those are extreme cases.

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    The average American drives between 14,000 and 15,000 miles a year, according to data from the Federal Highway Administration. Zielinski said that, if you’re kind to your tires—that is, you aren’t constantly peeling out at stoplights and you properly maintain them—most new tires on the market today will last about 60,000 miles. For what it’s worth, the USTMA did a review of several thousand recently scrapped tires and found that most were three to four years old. There was no way of telling how many miles were on those tires, but it’s easy enough to multiply four years by 15,000 miles annually to confirm the rough approximation of tire durability.

    If you want to figure out how soon you’ll wear out the tires on your car, Zielinski said it would be a good idea to start by determining how many miles you drive each year. Divide the number of miles on the odometer by how many years you’ve owned the car (starting, obviously, from when you first got the car and accounting for any mileage it had on it at that time). Then you can compare that with any advertised warranty on the make and model of the tires and figure out how many years of service to expect. If you live where winter tires are advisable and swap those onto the car for some months of the year, your regular tires will get less use and will endure for a longer period of time, but remember the caveats about tire age.

    Zielinski also noted that if you hit the wear bars at 50,000 miles on a set of tires with a 60,000-mile warranty, for example, tiremakers that offer such coverage will typically prorate the price of a new set. In this example, you could expect a discount on the new set equal to one-sixth their price, or about 17 percent. You might not get it, though, if you decide to change brands.

    Kypros/Getty Images

    In general, the best way to preserve the life of your tires, and keep yourself and your passengers safe, is to maintain them properly. Here are some tire basics and maintenance tips:

    Tread

    A tire is considered unsafe, and should be changed, once its tread is worn down to 2/32 of an inch, according to the National Highway Traffic Safety Administration (NHTSA). Many tires have tread-wear indicators, which are little bars in the tread that show when the tire is worn down to replacement level. These will start making noise to alert the driver that they need attention. You can also use a penny: NHTSA recommends putting the penny in the tread with Abraham Lincoln’s head upside down and facing toward you. If you can see the top of Abe’s head, it’s time for new tires.

    Pressure

    To ensure even wear, tiremakers and auto companies recommend that vehicle owners check their tire pressures monthly. The pressure should be at the vehicle manufacturer’s recommended level, which is usually found in the car or truck’s doorjamb or in the owner’s manual. One quick and easy way to check tire pressure is with a handheld tire-pressure gauge, which you can find starting around $10 at an auto-parts store. Tire shops will often check the pressure for you. Some gas stations have digital readouts as part of their air pumps; these are not always accurate, though. It’s best to check the pressures when the tires are cold, meaning that they have not been driven on for several hours. So you’re better off checking them at home after the car has been parked overnight.

    Balance and Alignment

    Tires need to be round, and the tire/wheel combination needs to be balanced. Tire shops and mechanics will use a balance machine, which spins the wheel to see where high and low spots are and detects any imbalance. The tire shop will then add weights, which are hammered onto the wheel, to balance them. These shops can also make make sure your wheels are aligned to keep the car tracking straight, which also reduces tire wear.

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    Rotation

    Rotating your tires can help prolong their lives. For front-wheel-drive vehicles, the tires in the front will wear more quickly and can be swapped with the rear ones. The inverse is true for rear-wheel-drive cars and trucks. All-wheel-drive models, too, may need rotation. Most owner’s manuals contain a recommended pattern for rotating tires to spread the wear evenly. The USTMA recommends tires be rotated every 5000 to 8000 miles.

    This content is imported from OpenWeb. You may be able to find the same content in another format, or you may be able to find more information, at their web site.

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    How do you know when tires are completely worn out and it's time to change them? Everything is simple. For summer tires, the limit is 1.6 mm of residual tread depth, and for winter (or all-season tires used in winter) - 4 mm. Modern summer tires can travel from 40,000 to 70,000 km, depending on driving style and vehicle characteristics. An average motorist rolls such a mileage on summer tires in 2-3 seasons. Moreover, wear implies not only a decrease in tread depth. For millions of cycles of deformation, the strength of the carcass and its adhesion to the layers of the rubber compound are violated. In short, every 2-3 years you should buy a new set of tires.

    In case of irreparable damage to one of the tires and a relatively high total mileage of the kit, it is also worth considering replacing it. Well, or about buying at least a pair of new tires, which, for any type of drive, should be installed on the front axle. We put two tires back - the most decent of the remaining ones.

    What if I don't drive much?

    Many motorists drive only a few thousand kilometers a year. This does not mean that the tires will serve you for several decades. According to Russian requirements (GOST 4754-97), the service life of passenger car tires is 5 years from the date of manufacture. And for example, Continental recommends that all car tires (including the spare tire) older than 10 years old should be replaced with new ones. Therefore, with small runs, you can navigate for ten years. The date of manufacture of the tire is indicated on the sidewall. Usually it is an oval with four numbers. The first two are the ordinal number of the week in the year, the last two indicate the year.

    How to extend the life of tires?

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    Tires should be rotated periodically in accordance with the vehicle manufacturer's recommendations - information on this can be found in the owner's manual.

    We can advise you to carefully use the tires and, most importantly, to store them correctly in the off-season. First of all, during storage, it is important to exclude direct sunlight from hitting the tires, which greatly age the rubber. Tires without rims should be placed vertically, and stacked on rims.

    And before installing tires on a car at the beginning of the season, evaluate their condition. There should be no cracks in the tread and sidewalls. The tire should not be dry, it should remain rubbery and not look like baked plastic.

    Do winter tires last the same amount?

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    Winter tires have a much shorter life span. They almost always fail due to the wear of the treadmill, because the tread of a new tire is 7–8 mm, and only 3–4 mm remain working height. If the tires are studded, then with such wear there are very few metal elements left, and the tire will not provide adequate safety when driving on a winter road. However, not only spikes, but also Velcro, with such a degree of wear, also lose most of their capabilities.

    The real life of winter tires rarely exceeds 30,000 km. "Bald" winter tires without studs can be re-rolled in summer, but their grip on hot road surfaces will be very poor. This must be taken into account, especially when braking.

    ***

    So: tires that have not yet worn out along the tread (that is, up to 1.6 mm tread depth for summer tires, 4 mm for winter tires) are changed either ten years after the date of issue, or when the rubber layer cracks tires or damage.

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    How to properly break in studded tires so that they do not lose their effectiveness in winter.

    Winter came - change your shoes and go. This rule is familiar to all drivers. However, with the advent of studded car tires, it had to be replaced with a new version: “Change your shoes, break in the tires and go wherever you want.” After all, even very expensive tires will let you down without running in - no manufacturer can guarantee uniform immersion of the studs into the tread. Therefore, every driver must learn the rules for changing seasonal tires and the subsequent running in of a winter or summer model.

    When tires are changed

    As a general rule, summer tires are replaced with winter car shoes with the first cold snap, when the temperature drops below +7 °C. This recommendation is followed by both Europeans and Americans. After all, the summer tread loses elasticity even before the onset of serious frosts. Therefore, in place of hard tires for the warm season, soft models for winter are put on car rims.

    Winter tire can be studded and smooth. According to the tread pattern, models for winter are divided into European (with a V-shaped notch) and Scandinavian (with diamonds and squares) options.

    Smooth European-style Velcro is chosen by residents of the southern regions or city dwellers living in the neighborhood with a well-established public service. They are designed for clean asphalt. The studded version is needed for driving on packed snow and icy roads. On such a track, a studded tire reduces braking distances by 25-30% and improves handling during difficult maneuvers, sharp turns or fast lane changes.

    Why and when to run in new tires

    Running in studded tires is a mandatory procedure recommended by all winter tire manufacturers. The reason for this recommendation is hidden in the technological miscalculation - no manufacturer can insert studs into the tread, maintaining the same depth of immersion. And although the spread in the height of the stud above the tread level does not exceed hundredths of a millimeter, this defect is enough to reduce the driving characteristics and controllability of the car.

    To avoid trouble on the road, the driver will have to run in a studded tire, driving on a winter road at low speed and without sudden maneuvers. Under the weight of the car and passengers, the spikes will fall into place, after which the driver can forget about all the restrictions and return to his usual driving style.

    If you haven't experienced studded driving, running in will help you get used to the new acceleration and braking dynamics.

    Seven tips for beginners to winter break in a new studded tire

    1. Start the break-in in the last days of autumn, when the temperature has dropped below +7 °C, but the permanent frosts have not yet set in. The correct weather for running in: light frost in the morning and evening, with positive temperatures during the day.
    2. Buy a complete set of winter tires, and always one model. Different tires or partial replacement is a direct path to an accident on the road.
    3. After installing a new kit, write down (or take a photo of) the current odometer reading to help track break-in progress.
    4. The minimum run-in time for winter tires is 500 km, the recommended time is 1000 km.
    5. Proper break-in requires a speed limit of 60 km/h. Accelerating to large values ​​on the speedometer, you violate the rules of the road (in the city) and spoil the studded tires.
    6. After installing the new kits, you will have to drive not only slowly, but also smoothly - without sharp maneuvers and fast accelerations. The service life of a studded tire will depend on smooth movement.
    7. Check the correct tire pressure by measuring it twice a week (Monday and Friday).

    Run in studded tires by the indicator - pitfalls and subtleties of the process

    If you forgot to record the odometer reading - don't worry, you can track the duration of adaptation, focusing on the break-in indicator. On any new studded tire, you can see the indicator notch that surrounds the metal insert. When the indicator wears off on the asphalt, studded tires are considered ready for long trips.

    The process of monitoring the indicator involves a thorough inspection of the tread. You can get additional benefit from this action by cleaning the tread with new spikes from pebbles and other foreign objects stuck in the cut. In addition, another control operation can be timed to the inspection of the indicator - checking the tire pressure.

    If you put your car in a studded model, the tire pressure must correspond to the norm prescribed by the manufacturer. Too much or too little pressure causes the studs to fall out at the center or edges of the tread. Such a wheel is erased to the "bald head" during one winter season. A properly inflated tire will last 3-4 winters.

    How to find out the pressure level in tires

    The correct pressure is determined by the vehicle manufacturer. Controllability, cross-country ability and even fuel consumption depend on this indicator. Therefore, the correct pressure depends on the weight of the machine, the permissible speed and even the time of year.

    The correct tire pressure can be found in the manufacturer's manual or on a decal affixed under the gas cap or on the driver's door pillar. Moreover, this indicator is tied to the dimensions of the tire (diameter and width), the expected load and whether the wheel belongs to the front or rear axle.

    Therefore, several values ​​\u200b\u200bare indicated in the table (in bar or kgf / cm2) and if you are going to break in tires in the winter, you will not only have to pump up the tire to the correct pressure, but check this indicator at least once a week using a pressure gauge. Otherwise, the studded tread will lose most of the metal elements and will not be able to keep the car on ice.

    Too much or too little pressure causes the tread indicators to wear unevenly.

    Studded tires

    • novelty

      Winter Drive protection

      Tires Goodyear UltraGrip Arctic 2 SUV

      Studs:
      yes
      Diameter:
      17 / 18 / 19 / 20 / 21
    • Winter Drive protection

      Rating:

      4.5

      Tires Goodyear UltraGrip 600

      Studs:
      yes
      Diameter:
      15 / 16 / 17
    • Winter Drive Protection Sound Comfort

      Rating:

      4. 5

      Tires Goodyear UltraGrip Ice Arctic

      Studs:
      yes
      Diameter:
      15 / 16 / 17 / 18 / 19
    • novelty

      Winter Drive protection

      Tires Goodyear UltraGrip Arctic 2

      Studs:
      yes
      Diameter:
      16 / 17 / 18 / 19
    • Winter Drive Protection Sound Comfort

      Rating:

      4.5

      Tires Goodyear UltraGrip Ice Arctic SUV

      Studs:
      yes
      Diameter:
      15 / 16 / 17 / 18 / 19 / 20
    • Winter

      Rating:

      4

      Tires Goodyear Cargo UltraGrip 2

      Studs:
      no / yes
      Diameter:
      15 / 16

    Which road is better to break in new studded tires

    Even if you can boast of the right driving style, without skidding, slipping and other extreme sports, when choosing a route for running in a tread with spikes, you will have to follow these recommendations:

    • no dirt roads or country paths - only asphalt or concrete;
    • ideal or close to ideal condition of the road surface - pits and potholes are best left for run-in tires;
    • lack of high curbs in the parking area - try to park on a flat area with good access.

    Of course, such ideal road conditions are found only in large metropolitan areas, but a good road can also be found in the regions. Therefore, try to erase the indicator on such a coating. In this case, the studded tread will last you twice as long as the rubber run in potholes and pits.

    Summer and winter break-in - differences in the rules and other nuances

    The use of new rubber compounds in tires reduces the period of adaptation of tires to the road, but neither winter nor summer tires can do without running in. True, for summer wheels, the adaptation period is 2-5 times shorter than for the winter version.

    If you want to break in a new tire in winter, according to the rules, you will have to drive at least 500 kilometers at a speed of up to 60 km / h, spending 8-9hours. Summer rules are not as strict as winter recommendations: the speed limit is increased to 80-100 km/h, and the recommended distance is reduced to 100-200 kilometers. As a result, winter rules suggest erasing the indicator in 8-9 hours, and summer recommendations - in 1-3 hours.

    Regarding the requirements for driving style, the rules are unanimous - during the break-in of new tires, the driver must maintain a calm driving style.

    Final recommendations for running in a new tread

    To summarize all the break-in rules, the final recommendations can be reduced to three pieces of advice:

    1. Start before the onset of winter cold - new tires must be adapted on clean asphalt, where there is neither snow nor ice crust.
    2. Do not know what to do - look at the indicator. If it is worn out, the tires are run-in (good or bad is another matter).
    3. If you want to control the quality of the adaptation process, remember the counter at the beginning (while the indicator is still intact) and wait for the addition of 1000 km.

    If you don't know where the wear indicator is located, ask your auto parts and accessories store manager. If you are afraid to make a mistake when checking the pressure - do not trust your pressure gauge, contact any car service.


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