285 75r17 vs 315 70r17 Tire Size
When it comes to tires, there are a lot of factors to consider. One of the most significant decisions you’ll have to make is going with 285 75r17 or 315 70r17 tires. Both sizes have their pros and cons, so it can be tough to decide which one is right for you. We will discuss the differences between these two sizes and help you decide which one is best for your needs!
285 75r17 vs 315 70r17 Table
285 75r17 | 315 70r17 |
 |  |
Diameter 33.83 inches | Diameter 34.36 inches |
Width 11.22 inches | Width 12.4 inche |
Sidewall Height 8.42 inches | Sidewall Height 8.68 inches |
Radial Tire (A Radial-Ply Tire) | Radial Tire (A Radial-Ply Tire) |
Rim Size 17 inches | Rim Size 17 inches |
Circumference 106.28 inches | Circumference 107.95 inches |
Revs Per Mile 596 | Revs Per Mile 586 |
Aspect Ratio 75% Of Its Width | Aspect Ratio 70% Of Its Width |
What Does 315 70r17 Tire Mean?
The 315 70r17 tire size is a metric tire. The first number, 315, refers to the tire’s width in millimeters. The second number, 70, is the aspect ratio. This is the height of the sidewall compared to the width of the tire. In this case, it’s 70%. The last number, 17, is the diameter of the wheel in inches and the letter R stands for radial construction.
Tire Width
The main difference between 285 75r17 and 315 70r17 Tire is the width. The 285 75r17 is a narrower tire, so it’s going to provide less traction. It’s also going to be lighter, so it will have a slightly better fuel economy. The 315 70r17 is a wider tire, so it’s going to provide more traction.
The 285 75r17 tire is about 11″ wide, while the 315 70r17 tire is about 12.25″ wide. That may not seem like a big difference, but it can make a big difference in the way your vehicle handles.
Aspect Ratio
The aspect ratio is the height of the sidewall compared to the width of the tire. The 285 75r17 has an aspect ratio of 75%, which means the sidewall is 75% as tall as the tire is wide, which is 213.75 millimeters.
The 315 70r17 has an aspect ratio of 70%, which means the sidewall is 70% as tall as the tire is wide, which is 220.5 millimeters. The difference in aspect ratio will affect the way your vehicle rides.
Construction Type
Both 285 75r17 and 315 70r17 Tire have radial construction. Radial tires are the most common type of tire on the market. They’re made with steel belts that run radially across the tread. This type of construction provides a smoother ride and longer tread life.
Rim Size
Another important thing you need to consider while buying a new tire is the rim size. The 285 75r17 and 315 70r17 Tires can fit on 17-inch rim sizes. Both tire size indicates that the rim diameter is 17 inches. But it would be best to make sure that the new tire’s load index and speed rating are equal to or greater than the old tire’s.
Circumference
The circumference of a tire is the distance around the outside of the tire. The 285 75r17 has a circumference of 106.28 inches, while the 315 70r17 has a circumference of 107.95 inches. This difference is due to the width and aspect ratio of the tires.
Revolutions Per Mile
The number of revolutions per mile (RPM) is how many times the tire goes around in a mile. The 285 75r17 has an RPM of 586, while the 315 70r17 has an RPM of596. The wider and taller the tire, the fewer revolutions it will make in a mile.
Our Observation
Now that we’ve gone over the main differences between 285 75r17 and 315 70r17 tires let’s discuss which one is best for you. If you’re looking for a tire that will provide more traction, then the 315 70r17 is the way to go.
If you’re looking for a tire that’s going to be lighter and have better fuel economy, then the 285 75r17 is the best choice. It’s really up to you and your personal preferences. Just make sure to do your research before making a decision! We hope this article helped you understand the difference between 285 75r17 and 315 70r17 tires. As always, be sure to do your research to make the best decision for you and your vehicle! Thanks for reading! Happy driving!
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