205 50r17 vs 225 45r17 Tire Size

If you’re looking for a new set of tires, then you’ve probably come across the terms 205 50r17 and 225 45r17. But what do these numbers mean? What’s the difference between them? And which one should you choose for your car? In this comprehensive guide, we’ll answer all of these questions and more!

205/50r17 vs 225/45r17 Table

This comparison table shows the key differences between 205 50r17 and 225 45r17 tires.

225/45R17

205/50r17

Overall Diameter 24.97 inches

Overall Diameter 25.07 inches

Width 8.86 inches 

Width 8.07 inches

Sidewall Height 3.99 inches 

Sidewall Height 4.04 inches 

Radial Tire (A Radial-Ply Tire)

Radial Tire (A Radial-Ply Tire)

Rim Size 17 inches

Rim Size 17 inches

Circumference 78.45 inches

Circumference 78.76 inches

Revs Per Mile 807

Revs Per Mile 804

Overall Diameter

The first thing to notice is that the 205 50r17 tires have a slightly smaller overall diameter than the 225 45r17 tires. This means the 205 50r17 tires will be a bit shorter and narrower than the 225 45r17 tires.

In short, the diameter of the 205 50r17 tire size is 25.07 inches, and the 225 45r17 tire size is 24.97 inches. The difference in overall diameter between those tire sizes is 0.1 inches or about 0.4%.

Section Width

The section width of a tire is the width of the tire from sidewall to sidewall. The 205 50r17 tires have a section width of 205mm, while the 225 45r17 tires have a section width of 225mm.

This means the 205 50r17 tires are about 20mm narrower than the 225 45r17 tires. The difference in width between those tire sizes is about 0.79 inches or about 9.8%.

Circumference

The circumference of a tire is the distance around the outside of the tire. The 205 50r17 tires have a circumference of 78.76 inches, while the 225 45r17 tires have a circumference of 78.45 inches.

This means the 205 50r17 tires are about 0.31 inches longer than the 225 45r17 tires. The difference in circumference between those tire sizes is about 0.40%.

Revolutions Per Mile

The revolutions per mile (RPM) of a tire is the number of times the tire will go around in one mile. The 205 50r17 tires have an RPM of 804, while the 225 45r17 tires have an RPM of 807. The difference in RPM between those tire sizes is 3 RPM or about 0.4%.

Sidewall Height

The sidewall height of a tire is the distance from the edge of the rim to the top of the tread. The 205 50r17 tires have a sidewall height of 102.5mm, while the 225 45r17 tires have a sidewall height of 101.25mm.

This means that the 205 50r17 tires are about 1.2% taller than the 225 45r17 tires. The difference in sidewall height between those tire sizes is about 1.25mm or about 0.05 inches.

Wheel Size

The wheel size of a tire is the diameter of the wheel that the tire is mounted on. The 205 50r17 tires have a wheel size of 17 inches, while the 225 45r17 tires have a wheel size of 17 inches.

This means that the 205 50r17 tires are the same size as the 225 45r17 tires. The difference in wheel size between those tire sizes is 0%.

Construction Type

The construction type of a tire is the way the layers of the tire are put together. The 205 50r17 tires have a construction type of radial, while the 225 45r17 tires have a construction type of radial. This means that the 205 50r17 and 225 45r17 tires are both radial tires.

Our Observation

After seeing all the differences in the specifications of both tires, it is quite challenging to decide which one would be a better choice. It depends on various factors like the make and model of your car, driving habits, climate, etc.

If you frequently drive in hot weather conditions, then a set of 225 45r17 would be a better choice as it has a lower profile which means less heat build-up. If you live in an area with a lot of potholes, then the 205 50r17 would be a better option as it has a thicker sidewall that can help protect your rims from damage.

Ultimately, it is up to you to decide which set of tires would be best for your needs. We hope you found this guide helpful. If you have any further questions, feel free to contact us. Thank you for reading!

Read Next

Leave a Comment

Your email address will not be published. Required fields are marked *