275 65r18 vs 285 70r17 Tire Size
It can seem like an overwhelming amount of information. However, when it comes to choosing the right set of truck tires, there are really only two main things that matter: the size and the type. Which one is more important depends on what you will be using your truck for. This article covers everything you need to know about comparing and buying the best 275 65r18 and 285 70r17 tire size for your needs.
275 65r18 vs 285 70r17 Table
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What Does 275 65r18 Tire Mean?
The first number in a tire size is the width of the tire. The 275 in 275 65r18 means that this tire has a width of 275 millimeters. The second number is the aspect ratio, which is the height of the sidewall compared to the width. In this case, the 65 means that the sidewall is 65% as tall as the width.
The 18 is the rim diameter, which is 18 inches. The letter “R” indicates that this is a radial tire. Now that we know what the numbers mean let’s take a look at how they compare!
Tire Diameter
Tire diameter is also called the “tall” of the tire. The taller the tire, the more ground it will cover. This can be beneficial for off-road driving, as it increases the amount of traction you have. It can also be helpful in deep snow. On the other hand, taller tires can make it more difficult to turn, and they can also increase fuel consumption.
If you do a lot of city driving, you may want to choose a smaller tire diameter. The diameter of the 285 70r17 Tire Size is about 32.71 inches, while the 275 65r18 Tire Size has a diameter of about 0.63 inches or 1.9%. This means that the 285 70r17 Tire Size is about 0.63 inches taller than the 275 65r18 Tire Size.
Section Width
A wider tire will offer more stability and traction, while a narrower tire will be lighter and easier to handle. The section width of the 275 65r18 Tire Size is about 275 millimeters, while the section width of the 285 70r17 Tire Size is about 285 millimeters. This means that the 285 70r17 Tire Size is approximately 10 millimeters wider than the 275 65r18 Tire Size.
Circumference
It’s essential to know the circumference of your tires because it can affect your speedometer readings. If the circumference is too small, your speedometer will read higher than your actual speed. If the circumference is too large, your speedometer will read slower than your actual speed.
The circumference of the 275 65r18 Tire Size is about 100.77 inches, while the circumference of the 285 70r17 Tire Size is about 102.76 inches. This means that the 285 70r17 Tire Size has a circumference that is about 1.99 inches or 1.9% longer than the 275 65r18 Tire Size.
Sidewall Height
A taller sidewall will offer more cushioning, which can be beneficial if you frequently drive on rough roads. It can also help to absorb impact in the event of a pothole or other road hazard. However, taller sidewalls can make the vehicle harder to handle, and they can also increase fuel consumption.
The sidewall height of the 275 65r18 Tire Size is about 7.04 inches, while the sidewall height of the 285 70r17 Tire Size is about 7.85 inches. This means that the 285 70r17 Tire Size has a sidewall height that is about 0.82 inches or 10.4% taller than the 275 65r18 Tire Size.
Wheel Size
The wheel size is the diameter of the wheel that the tire is mounted on. In general, a larger wheel will offer better performance and handling. However, it is essential to make sure that the tire you choose is compatible with the size of your wheels. Otherwise, you may have clearance issues or other problems.
The wheel size of the 275 65r18 Tire Size is about 18 inches, while the wheel size of the 285 70r17 Tire Size is about 17 inches. This means that the 275 65r18 Tire Size has a wheel size that is about one inch larger than the 285 70r17 Tire Size.
Construction Type
Radial tires are also less likely to overheat, which can be a problem with other types of tires. The 275 65r18 Tire Size is a radial tire, while the 285 70r17 Tire Size is also a radial tire. This means that both tires offer the benefits of radial tires.
Our Observation
The main difference between 275 65r18 and 285 70r17 tire size is in sidewall height. The 285 70r17 tire size is 0.82 inches or 10.4% taller than the 275 65r18 tire size. This can be beneficial for off-road driving, as it increases the amount of traction you have. It can also be helpful in deep snow.
On the other hand, taller tires can make it more difficult to turn, and they can also increase fuel consumption. If you do a lot of city driving, you may want to choose a smaller tire diameter.
Conclusion
The 285 70r17 Tire Size is a good choice for off-road driving and deep snow. The 275 65r18 Tire Size is a good choice for city driving. Choose the tire size that best suits your needs. I hope this article was helpful. If you have any questions, feel free to leave a comment below. 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.