Table of Contents
What Is a Donut Tire?
A donut tire, often known as a temporary spare tire, is a smaller tire designed to be used when the original tire gets damaged or punctured. If you acquire a flat tire, you can jack up your automobile, remove the flat tire, and replace it with your donut tire. A donut will enable you to drive to your local tire shop, where you can get your flat tire patched or replaced.
Donut tires, however, can reduce a vehicle's speed and handling. They are also less durable. A donut spare tire cannot withstand the same amount of usage as a conventional tire, which is why you should replace it immediately.
Driving On a Donut
You'll ultimately have to deal with a flat tire if you spend enough time behind the wheel. It makes no difference how careful you are with your car or how meticulous you are with your car's tires; it'll only be a matter of time before a flat tire appears and wreaks havoc. Under these circumstances, you'll certainly have to use a donut for rushing to the mechanic for tire replacement.
What Are Donut Tires Made Of?
When you pull your donut tire out of your trunk, one of the first things you'll notice about it is that it's not constructed of the same materials as regular tires. Donut tires are often made using a hard material that looks and feels nearly like plastic, as opposed to conventional tires made of rubber. They also have lightweight metal rims instead of the heavy-duty metal used in most ordinary tires.
You'll want to keep this in mind when installing a donut tire on your vehicle. You won't be able to drive around on it for an extended amount of time because it won't be durable.
What's the Difference Between a Spare and a Donut Tire?
Most people mistakenly use the terms "donut tire" and "spare tire" interchangeably. That's because donut tires are similar to spare tires in many aspects. However, it's important to note that donut tires and spare tires are not the same. They're truly rather dissimilar.
A spare tire functions as a fifth tire on your vehicle. It is usually manufactured by the same company as the other tires and also has the same size. It also functions similarly. In fact, you even get more mileage out of a spare tire than you can out of a donut.
On the other hand, a donut tire looks nothing like any of the other four tires of your vehicle. It's much smaller than regular tires and is built of different materials. Unlike a spare tire, it is also not meant to be utilized for an extended period. It's a short-term fix for a problem, and you should never accept a donut tire as a legitimate spare tire. You don't want to get the two mixed up.
How Far Can You Travel On a Donut Tire?
As we mentioned earlier, you won't be able to drive on a donut for very long. Donut tires are only designed to be used as a temporary patch for a flat tire until you can safely get to a service shop to have it fixed. Most donut tires should not be driven on for more than 50-70 miles in general.
While a donut tire can be a lifesaver in the event of a flat tire, you should never leave one on your vehicle longer than necessary. A donut tire is designed to be used for shorter journeys only.
How far you can travel on a donut tire is determined by its quality. Full-size spare tires, both matching and non-matching, are the same size as the tires on your vehicle. A full-size matching spare tire is an exact match to the other tires of the car; whereas, a non-matching spare tire is merely similar in size to your car's tires.
On the other hand, donut spare tires are narrow and compact and are designed to fit in the trunk of your vehicle. A donut spare tire is typically less durable than a full-size matching or non-matching spare tire. So if you're driving a long distance, a donut tire is more vulnerable to damage than a full-sized option.
How Fast Can You Drive On a Donut?
You should limit the distance you travel with a donut tire, as well as the speed you drive at. With a donut tire, you won't be able to drive down the highway at 70 mph. The recommended speed limit for driving on a donut is 15 to 20 mph. You'll be pushing your luck if you try to drive faster than 20 mph on a donut, and you might end up in the dirt.
You can, however, drive up to 50 mph in case of an emergency, but there's a good possibility that you'll damage the donut tire in the process. Plus, the risk of losing control of the vehicle will be high.
Although some manufacturers claim that their tires can travel faster than 50 mph, doing so increases the risk of a blowout, especially if the tire has already been utilized.
Is It Safe to Drive On a Donut?
You might be a little hesitant to get behind the wheel on a donut tire. However, as long as you follow this complete guide to driving on a donut, you will survive! When using a donut tire, turn on your hazard lights to let others know why you're driving so slowly. Let people pass you if you can to avoid causing traffic congestion.
Your vehicle's performance will be substantially affected while driving on a donut because it is only a temporary solution until you get access to a service center for a full-size tire replacement. You may have to encounter several other problems if you take too long to replace the donut tire.
Take the following precautions when driving on a donut:
- Be prepared for sloppy steering, turning, and braking.
- Drive at a slower speed, no more than 50 mph.
- Your traction and stability control systems may not function properly.
- Check to see if the tire pressure is correct.
Another thing to remember when driving on a donut tire is that the electronic stability control and traction control systems will not function properly. Both systems will work after a regular-sized tire is installed on the vehicle, and you can normally drive again. In the meantime, remember to take extra precautions and drive slow. Only drive on a donut tire if it is absolutely required and for a limited period. Check the owner's manual for how many miles the donut tire can be driven.
Donut tires aren't designed to move as fast as regular tires. While donut tires can be driven on highways, it is safer to avoid them because you will only be able to go at roughly 50 mph or less.
Check the air pressure in your donut tire regularly. The safe air pressure for a donut tire is 60 pounds per square inch (psi). It's always better to check the air pressure after installing the donut tire since it sits in your car for a long time without prior inspection.
What Should You Do If Your Tire Goes Flat?
You may have a flat tire if you notice a thumping or bumping sound coming from your vehicle. Keep calm, engage your car's emergency flashers, slow down, and pull off to the side of the road if this happens. If feasible, park your car in a parking lot or on the side of the road.
Remember, it is not safe to drive on a flat tire as it might damage your vehicle in the long run. It also puts you and others in danger of collisions and accidents. So, if you have a flat tire, get off the road until you can either change it with a spare or get assistance from others.
Tips for Maintaining Donut Tires
Donut Tires Must Be Well-Cared For
It is crucial to monitor and regularly check the condition of your donut tires. You can ask the experts at the tire shop to take a look at the donut every time you get your car's tires rotated or inspected.
Back-up Tires Occasionally
Tire manufacturers occasionally recall, so keep a watch out for any prospective recalls. Tire recalls can be issued on any type of tire, and you can follow them online using the US Tire Manufacturers Association's "Tire Recall Lookup" service.
Donut Tires Can Be Replaced
You may have to replace the spare tire even if you've never used them. In most cases, a donut tire should be replaced every eight years. The owner's manual will tell you how often you should replace your donut tire.
Watch out for Warning Signals
When you put a spare tire on your car and start driving, the brake and anti-lock braking system (ABS) warning lights on the instrument panel may illuminate. This can happen if your spare tire spins quicker than the rest of your car's tires. Don't be alarmed in this situation. Instead, keep driving safely until you arrive at your destination, and then change your spare tire with a long-lasting remedy.
Can You Place a Donut On the Front?
No. Driving with a donut tire on the front wheel is a bad idea because the engine is located in the front. If you drive for extended periods with a donut on the front wheels, you might have to face severe difficulties along the way.
How Long Do Tires Last?
Treadwear ratings and projected tire mileage are normally included with tires, but various reasons can cause those statistics to fluctuate, sometimes dramatically. Tires typically last between 30,000 and 80,000 miles, but driving hard, off-roading or bad roads can significantly reduce that lifespan. Tires can "expire" even if you don't drive much since the rubber begins to degrade.
Is It Possible to Go Faster than 50 mph On a Donut?
We're not going to tell you it's impossible, but we are going to tell you that playing Speed Racer with a flimsy strip of rubber wrapped around a small piece of metal that has been hand-bolted into your car is a horrible idea.
Tire Care for Donuts
If you're lucky, you will only have to use your donut tire once or twice during the average lifespan of your vehicle. That implies your spare will be sitting in your trunk, alone, for a long time in between uses.
Check your donut tire once a month as a good rule of thumb, but at the very least, check the tire every time you get your oil changed. Check the tread and inflation of the tire if you just bought the car to make sure the previous owner or the factory didn't overlook the quality.
What Causes The Donut To Be Smaller?
The motive behind the odd shape of a donut tire is primarily monetary. The manufacturer is supplying you with a temporary solution that costs them roughly 20% of the cost of a true tire. This enables them to reduce vehicle prices by tens of thousands of dollars at the time of purchase.
In addition, when installed in the trunk, the donut is designed to take up less room than a full-size tire. Automobile manufacturers are constantly seeking ways to reduce the weight of their vehicles, even if it is only by a few pounds. They expect this to boost the car's performance and efficiency. Hence, they save a few pounds by putting a smaller tire in the trunk.
Although the smaller, lighter wheel may not perform as well on the road, it is much easier for people to install when necessary.
Do All Cars Come with a Spare or Donut Tire?
No. Many new cars come without any form of a spare tire. Instead, they come with a kit that shows you how to put a temporary fix to your flat tire and then inflate it to the point where you can use it like a donut. This trend began with electric vehicles, as a spare – or even a smaller donut – was required to accommodate the big battery. Because it's also a less expensive option, it's becoming increasingly popular among auto producers.
Locally produced cars come with a standard donut tire, while imported cars come with a smaller donut tire. In recent years, there has been a significant increase in the use of compact-sized tires. Full-size spare tires are now only available for 4x4 SUVs, larger vans, and pickup trucks in most countries.
Donut tires, like other tires, come in a variety of sizes. As a result, putting the incorrect size on your car could cause a slew of issues. You'll want to replace a missing donut tire with one that will fit on your vehicle when you really need it. This will save you the trouble of trying to drive about on a donut tire that wasn't made for your vehicle.
Where Can I Find a Donut Spare Tire?
Most car manufacturers use a wheel well compartment buried beneath the trunk floor to store the donut. On the back hatch of some cars, such as SUVs and vans, there may be an outside wheel well compartment to store the donut. Other automobiles may suspend the spare donut tire from the vehicle's structure. Some foreign manufacturers keep the donut tire in the engine compartment.
About The Author
I've spent many years selling cars, working with auto detailers, mechanics, dealership service teams, quoting and researching car insurance, modding my own cars, and much more.Read More About Charles Redding