255 Vs. 245 Tires (Difference And Are They Interchangeable?)

Automobiles are complex machines. They have a lot of components in them. But, with all their components, the tires are the most vital ones. They’re the ones that carry the vehicle’s weight, and they are the reason why vehicles run. 

Tires have different widths, sizes, dimensions, and many more. As a car driver, you should know the basics of these things to know what tires are compatible with your vehicle. You should also know about the sizes of the tires because this is the highlighted difference between them. 

We have made this article for you who ask the same question as the others. This article will discuss the difference between 255 tires with 245 tires. 

We will also talk about the differences between 255 tires and 245 tires, and we will talk about whether you can interchange both of them. So let us get started.

255 Vs. 245 Tires

What Is The Difference Between 255 And 245 Tires?

The actual dimensions of a 245 tire with a 255 tire can vary between tire manufacturers. A 255 tire will have a more comprehensive section than the 245 tires. 

The difference is about ten millimeters. The numerous dimensional characteristics of a tire are specified by the rest of the numeral designation in which the tire is identified. 

How Much Bigger Is A 255 Tire Than A 245?

The main difference between the 255 tires with a 245 tire is the width. In a specific manner, it is the tread width. They both have their difference in speed tolerance. 

The difference with the height will vary, but it is approximately 10 millimeters. The 255 tires are much higher and will increase the vehicle’s height.

Are 255 And 245 Tires Interchangeable?

The exact dimensions of 245 tires or a 255 tire will vary between the tire manufacturers. This is because any specific manufacturer has a 255 tire that is wider section width than the the245 tire. The difference is about ten millimeters. 

Can I Replace 245 Tires With 255?

Yes, you can because they are similar tire sizes with a slight difference. But if you upgrade your tire size, it might lessen your gas mileage. But it will improve your vehicle’s look. 

Can I Replace 255 Tires With 245?

Yes, you can, but you will be ten tires short. You can do whatever you like, but the 245 width tire will be much smaller. It can affect your speedometer reading.

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, tires have different sizes, weights, and many more aspects. It’s essential to know at least a basic of the tires to know what is compatible with your vehicle. 

You can interchange 255 tires with 245 tires, but there are things that you should know. Just read this guide.

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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