285 Vs. 315 Tires (Difference And Are They Interchangeable?)

This article is going to talk about the differences between 285 and 315 tires. We will also discuss if you can interchange 285 tires with 315 tires. 

There are many tires, but we will focus on the 285 and 315 tires. This is because people are still confused about lots of tires. And people would ask about the difference between 285 tires and 315 tires.

Tires are a part of a vehicle, and tires play a vital role in automobiles. Tires are also evolving. The first tire that was made was evolved, and there are many changes and improvements to making the perfect tire. 

So if you have the same question, this article is right for you. Let us get started. 

285 Vs. 315 Tires

What Is The Difference Between 285 And 315 Tires?

The 285 tires have a diameter of 32.8 and a section width of 11.2. Its wheel diameter is 16. The circumference is 103.1, and it has a revolution of 615 per mile. 

The 315 tires have a diameter of 34.6 and a section width of 12.4. It has a wheel diameter of 16 and a circumference of 108.7. They have a revolution of 583 per mile. 

How Much Bigger Is A 285 Tire Than A 315?

A 285 tire is the same as the 33 tires. Though 285 is the tread width in millimeters and 33 is the tire diameter. The 285 tire is the accepted metric equivalent size for 33. 

Are 285 And 315 Tires Interchangeable?

The wheels and the tires cannot be interchangeable. This is because the tires are already a part of the wheel setup. For example, your vehicle has a set size of rims, and you can buy different sizes of tires that would fit the rims. 

Can I Replace 315 Tires With 285?

Yes, you can interchange them. But the benefits will never be the same. So you have to pick the one that has more benefits to you. 

Can I Replace 285 Tires With 315?

Yes, you can interchange 285 tires with 315 tires. . But the benefits will never be the same. So you have to pick the one that has more benefits to you. 

What Does The Number On A Tire Mean?

It means the tire’s width is measured in millimeters from the sidewall to the sidewall. So the first three-digit number in the tire’s size refers to the tire’s width. So, for example, in the P215/65 R15 tire size, the width is 215 millimeters. 

There is also the ratio of the tire’s cross-section to the width. The two-digit number after the size of the tire is the aspect ratio. So the more significant the aspect ratio is, the bigger the sidewall of your tire will be. 


In summary, people ask about the sizes of the tires. As a car driver, you should know the basics of what the number on the tire means. 

With that, this article will serve as a guide for you. Every number on the tire size has their meanings.



Image credits – Canva

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My name is Hank, and I've been in the automotive industry for 27 years. I've been working in my own auto repair shop for the last 13 years, and now I want to help you here, on my blog. Let me know if you have any questions. Read more