285/75r16 vs 245/75r16 Tire Size
You may be wondering which ones, 285 75r16 and 245 75r16 are the suitable sizes for you. These sizes are popular options, but they have different benefits and drawbacks. We will discuss the pros and cons of each size so that you can make an informed decision about which one is best for your needs.
285 75r16 vs 245 75r16 Table
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What Does 245 75r16 Tire Mean?
The first number in a 245 75r16 tire size is the tire’s width in millimeters. The second number is the height of the tire, known as the aspect ratio. The “R” in 245 75r16 stands for radial construction, and the 16 is the diameter of the wheel in inches.
So, a 245 75r16 tire is 16 inches in diameter, has a width of 245 mm, and has an aspect ratio of 75. It offers a comfortable ride and good handling. Plus, it is a relatively affordable option.
Tire Width
Now that we know what the numbers in a tire size mean, let’s compare the widths of the 285 75r16 and 245 75r16 tires. The 285 tire is wider than the 245 by 40 mm. That may not seem like much, but it can make a big difference in how your vehicle handles.
A wider tire offers more grip and stability, so it is often the preferred choice for off-road driving. However, if you do a lot of highway driving, you may find that the wider tire causes your vehicle to wander. The 285 tire is also heavier than the 245, which can negatively impact fuel economy. So, if you’re looking to save money at the pump, the 245 may be the better option.
Aspect Ratio
The aspect ratio is the height of the tire’s sidewall, expressed as a percentage of the width. So, a 245 75r16 tire has a sidewall that is 75% as tall as the width of the tire. In short, The Aspect Ratio of 285/75r16 Tire is 213.75, and The Aspect Ratio of 285/75r16 Tire is 183.75 mm.
The 285 75r16 has a taller sidewall than the 245 75r16. This gives the tire a larger contact patch, which can improve traction. However, the taller sidewall also makes the tire more susceptible to damage from road debris.
Construction Type
The tire Construction type is represented by the “R” in the size designation. The “R” stands for radial, which is the most common type of tire construction. Radial tires are characterized by steel belts that run across the tread. These belts help to reinforce the tire and improve handling.
Rim Size
The last number in a tire size is the diameter of the wheel that the tire is designed to fit. In our example, the 285 75r16 and 245 75r16 tires are designed to provide a 16-inch diameter wheel. If you’re looking to upgrade your wheels, you can do so without having to buy new tires. Just be sure to get wheels that are the same diameter as your current ones.
Circumference
The circumference of a tire is the distance around the outside of the tire. The 285 75r16 has a circumference of 103.14 inches, while the 245 75r16 has a circumference of 95.72 inches. The difference in circumference is small, but it can have an impact on your vehicle’s speedometer reading.
If you switch to a tire with a smaller circumference, your speedometer will read higher than your actual speed. Conversely, if you switch to a tire with a larger circumference, your speedometer will read lower than your actual speed.
Revolutions Per Mile
The number of revolutions per mile (RPM) is a measure of how far the tire travels in one mile. The 285 75r16 has an RPM of 614.31, while the 245 75r16 has an RPM of 661.93. Can you ask? Why is it important?
The lower the RPM, the less work your engine has to do to move the vehicle. This can lead to improved fuel economy. So, if you’re looking to save money at the pump, the 285 may be the better option.
Suitable Vehicle
The 285/75R16 is a tire size that was used on Hummers from the 2000s. The 245/75R15 is a tire size that was used on pickups and SUVs from the late 1990s to the 2000s. Trucks like the Chevy C2500 Suburban, older-generation F150, older-generation RAM 1500, Chevrolet Silverado 1500, and Jeep Wrangler use this size.
Our Observation
After observing all the features and specifications between 285/75r16 and 245/75r16, we can say both tires have pros and cons. It depends on your driving needs as to which one is the better option for you.
If you do a lot of off-roading, the wider and taller 285 may be the better choice. However, if you’re mostly on the highway, you may find that the 245 saves you money at the pump. At the end of the day, it’s up to you to decide which tire is best for your driving needs.
Conclusion
When it comes to tires, there are a lot of numbers to consider. But if you take the time to understand what they all mean, you can decide which tire is right for your vehicle. Hopefully, this guide has helped you do just that. Thanks for reading!
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Meet Caitlin McCormack, a Tire Size Expert and Blogger Passionate About Everything Related to Tires. With Years of Experience in the Tire Industry, Caitlin Has Become an Expert in Tire Sizes and Their Impact on Vehicle Performance.