255 70r18 vs 285 70r17 Tire Size
Understanding each one can help you decide which one is best for your needs. We’ll take a look at the differences between 255 70r18 and 285 70r17 tires in terms of overall diameter, section width, Circumference, and more. By the end of this article, you should be able to confidently choose which tire size is right for your car or truck.
255 70r18 vs 285 70r17 TABLE
This comparison table lets you quickly identify the essential distinctions between 255 70r18 and 285 70r17 tires, providing all the necessary details at a glance.
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Alternative of 255 70r18 Tire Size
The 255 70r18 tire size is an excellent choice for drivers looking for high-performance tires with good traction. But if you’re not comfortable with this size, there are alternatives available, including 225/75R18, 285/60R18, 265/65R18, 245/70R18, 235/75R18, 275/65R18, 305/60R18, 285/65R18, 265/70R18, 375/50R18.
Alternative of 285 70r17 Tire Size
Larger vehicles, such as trucks and SUVs, may prefer a more robust tire size, such as 285 70r17. If this site isn’t for you, some alternatives include 235/80R17, 235/75R18, 345/55R17, 255/75R17, 275/70R17, 305/65R17, 235/85R17, 255/80R17 and 295/70R17.
Overall Diameter
The overall diameter of a tire is the measurement of how tall it is from top to bottom. This is an important factor when considering which tire size to choose, as a larger diameter can affect the vehicle’s turning radius and ground clearance.
The 255 70r18 tire has a total diameter of 32.06 inches or 814.2 millimeters, while the 285 70r17 size has a diameter of 32.71 inches or 830.8 millimeters. The difference between those two sizes is 0.65 inches or 16.6 millimeters, which can make a substantial difference in vehicle performance.
Section Width
The section width is the measurement of how wide the tire is, taken from one side wall to the other. It’s important to ensure that the tires you choose have a section width compatible with your vehicle’s wheel rim width.
The 255 70r18 tire size has a section width of 10.04 inches or 255 millimeters, while the 285 70r17 size has a section width of 11.22 inches or 285 millimeters. The difference between those two sizes is 1.18 inches or 30 millimeters.
Circumference
The Circumference of a tire is an important factor to consider as it affects the vehicle’s acceleration, braking response, and cornering ability. The 255 70r18 tire size has a circumference of 100.7 inches or 2557.88 millimeters, while the 285 70r17 size has a circumference of 102.76 inches or 2610.04 millimeters. That’s a difference of 2.05 inches or 52.15 millimeters.
Revolutions Per Mile
The revolutions per mile (RPM) is an indication of how many times a tire has to rotate to travel one mile. A higher RPM indicates that the tire is rotating faster and can help improve fuel economy. The 255 70r18 tire size has an RPM of 629, while the 285 70r17 size has an RPM of 616. That’s a difference of 12 RPM or 2 percent.
Sidewall Height
The sidewall height is the measurement of how tall the sidewalls of a tire are, from rim to tread. When choosing a tire, this is important to consider as it affects the overall look and performance.
The 255 70r18 size has a sidewall height of 7.03 inches or 178.5 millimeters, while the 285 70r17 size has a sidewall height of 7.85 inches or 199.5 millimeters. That’s a difference of 0.83 inches or 21 millimeters.
Wheel Size
When selecting wheels for your vehicle, it’s important to ensure that they have the same bolt pattern and size as your tires. The 255 70r18 tire size requires a wheel with a diameter of 18 inches, while the 285 70r17 size requires a wheel with a diameter of 17 inches. That’s a difference of 1 inch.
Our Observation
After taking a close look at the differences between 255 70r18 and 285 70r17 tires, it’s clear that they offer unique advantages and disadvantages. The main difference between 255 70r18 and 285 70r17 tire size is the size of the section width and Sidewall Height, which can have an effect on vehicle performance.
By comparing the different measurements and characteristics of 255 70r18 and 285 70r17 tires, you can make an informed decision when selecting the right tire size for your vehicle. I hope this article helped explain the differences between these two tire sizes. If you have any further questions, please don’t hesitate to contact us. We’d be happy to help.
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.
