245 Vs. 225 Tires (Difference And Are They Interchangeable?)

Tires in the vehicle can be confusing to others. There are numbers on the sidewall, and they are listed in millimeters, but some are listed as inches. The size and the type of the vehicle, like a car trailer or truck, will also depend on where you will drive or how you will drive it. 

A vehicle’s tires are one of the most misunderstood parts of an automobile. Many car drivers still do not know about its correct pressure, when they are worn out, what their formats are and their rotation schedule, and many more. There’s a lot of things to be considered with tires. 

And what is even more confusing to a lot of car drivers are the numbers that are on the sidewall of your tires. So in this article, we’ll be talking about the numbers on the tires, but our primary focus is on the 245 tires and the 225 tires. We will discuss if the 245 tire and the 225 tires can be interchanged. 

We will also discuss the differences between 245 tires and 225 tires. The original equipment tire size for your vehicle can be found in your owner’s manual. It can also be on the placard located in the door jam on the driver’s side. 

You can find there the recommended size for your vehicle from the manufacturer. So if you also want to change or switch your tires with a different one because you need to know if there’s a difference in terms of look and performance, you have to start with the numbers and the other numbers on the sidewall of your tire. It will help if you also had a tire professional know the correct size tire for your vehicle. 

So in this article, we’ll be talking about the numbers on the tires, but our primary focus is on the 245 tires and the 225 tires. We will discuss if the 245 tires and the 225 tires can be interchanged. 

We will also discuss the differences between 245 tires and 225 tires. Let us start!

245 Vs. 225 Tires

What Is The Difference Between 245 And 225 Tires?

The weight of the 245 tires is about twenty-seven pounds, and the 255 is forty-seven pounds. The 245 tires are pounds lighter than the two hundred fifty-five tires. It is also essential that you have a heavy car to use a heavy tire. 

A heavy tire meant a good and better grip on your vehicle. It also means better road performance. A lighter car with a heavy tire can slow down the acceleration. 

A heavy tire in a heavy car also means more fuel consumption. It is also less economical to use heavy tires for your vehicle. A heavy tire means that it will consume more fuel. 

There will be a decrease of one mile or two miles maximum if you switch from 245 tires to 225 sizes of the tire. The tread size of the two tires does not have a significant difference. A heavy tire will lessen fuel economy. 

The reason is that there is more effort to make it work. The resistance is higher, it will consume more fuel, and there will be a reduction in the gas mileage. Vehicles with economical fuel consumption have thin and light tires and have less rolling resistance. 

So the vehicle will make it easier to drive on the vehicle, and it will take less fuel. So many people say that economical tires will not provide less mileage, so you go for 245 tire size.

How Much Bigger Is A 245 Tire Than A 225?

It would be wise, they said, that they will not use 225 tires on 245 tires. The specs will suggest that the 245 has a rim of 9, and the 225 is not 9. In addition, some inches are missing and will result in a rash if curbs ensure safety. 

So using the 225 on 245 is much better concealed. So, in particular, the first and the foremost is the grip on your vehicle. The wider your tire will be, the more grip you will experience during driving. 

Are 245 And 225 Tires Interchangeable?

Yes, they can be interchanged, but you need to consider that a lot of these tires will have the same aspect ratio and a ratio diameter. 

Can I Replace 225 Tires With 245?

It will be wiser if you will not use 225 tires on the 245 tires. The specs will suggest that the 245 rims of 9 and the 225 are not 9. There are missing inches that will result in the rash if there is safety ensured from the curbs. 

The 245 tires can be replaced with a 245 tire. You have to make sure that there is enough room. If it is done correctly, the replacement can increase the vehicle’s ground clearance, carload, and grip.

Can I Replace 245 Tires With 225?

Yes, you can replace 245 tires with 225 tires. First, you must ensure that the two tires have the same diameter; you can use them. In this case, the diameter is about eighteen for both. 

The noticeable difference is the width. The 245 is about 0.8 wider than the 225 tire, which is an issue. But you can replace them. 

Replacing a giant tire with a small one is mainly done by other people. But you will have to sacrifice some features of the 245 tires. 

What Does The Number On A Tire Mean?

All the numbers will change with the size of the tire. Each group of the number represents one dimension—the 235 groups indicating the width of the tire from sidewall to sidewall in millimeters. The 55 grouping is the aspect ratio and is one misunderstood dimension. 

It is the height of the sidewall from the wheel tread relative to the width. It is the height of the sidewall to wheel to tread relative to the width. The manufacturer will represent this measurement in a percentage. 

If you look at the sidewall of the tire, you will notice two main things. This is the brand name and the size. 

The size has some formats, but you can easily find them. It’ll read something to the effect of 235 P235/55R18, 235/55R18. 


In summary, many people ask about the sizes of the tires. And if you are a car driver, you should know the basics of what the number on your tire means. That is essential.

So with that, this article will serve as a guide for you. Every number on the tire size has its meanings and corresponds.



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