305 55r20 vs 35×12 50r20 Tire Size

It can be tough to decide which tire size is right for your car. One of the most important is the size of the tire. Different sizes offer different benefits, so it can be tough to decide which one is right for you. Do you go with the more common 305 55r20 or opt for the less-common but possibly better 35×12 50r20? Here, we’ll help you make the decision based on what’s important to you.

305 55r20 vs 35×12 50r20 Table

This Comparison table will help you understand the key differences between 305 55r20 and 35×12 50r20 tires.

305/55r20

35x12.50r20

Overall Diameter 33.21 inches

Overall Diameter 35.02 inches

Width 12.01 inches 

Width 12.52 inches

Sidewall Height 6.6 inches 

Sidewall Height 7.51 inches 

Radial Tire (A Radial-Ply Tire)

Radial Tire (A Radial-Ply Tire)

Rim Size 20 inches

Rim Size 20 inches

Circumference 104.33 inches

Circumference 110.03 inches

Revs Per Mile 607

Revs Per Mile 575

Overall Diameter

overall diameter is the most important factor to consider when choosing tires. The 305 55r20 has an overall diameter of 33.21 inches, while the 35×12 50r20 has an overall diameter of 35.02 inches.

The difference in overall diameter between 305 55r20 and 35×12 50r20 is about 11.81 inches or 5.5%. This means the 35×12 50r20 tires will be about 5.5% taller than the 305 55r20 tires.

Section Width

Section width is another important factor to consider when choosing tires. The 305 55r20 has a section width of 12.01 inches, while the 35×12 50r20 has a section width of 12.52 inches.

The difference in section width between 305 55r20 and 35×12 50r20 is about 0.51 inches or 12.75%. This means the 35×12 50r20 tires will be about 4.3% wider than the 305 55r20 tires.

Circumference

The circumference is the distance around the outside of the tire. The 305 55r20 has a circumference of 104.33 inches, while the 35×12 50r20 has a circumference of 110.03 inches.

The difference in circumference between 305 55r20 and 35×12 50r20 is about 5.7 inches or 5.5%. This means that the 35×12 50r20 tires will be about 5.5% larger in circumference than the 305 55r20 tires.

Revolutions Per Mile

The number of revolutions per mile (RPM) is a measure of how fast a tire turns. The 305 55r20 has an RPM of 607, while the 35×12 50r20 has an RPM of 575.

The difference in RPM between 305 55r20 and 35×12 50r20 is about 31 RPM or about 5.2%. This means that the 35×12 50r20 tires will be about 5.2% slower than the 305 55r20 tires.

Sidewall Height

Sidewall height is the distance from the edge of the tire to the wheel. The 305 55r20 has a sidewall height of 6.6 inches, while the 35×12 50r20 has a sidewall height of 7.51 inches. This means that the 35×12 50r20 tires will have about 13.7% taller sidewalls than the 305 55r20 tires.

Wheel Size

The wheel size is the diameter of the wheel that the tire is mounted on. The 305 55r20 has a wheel size of 20 inches, while the 35×12 50r20 has a wheel size of 20 inches. This means that the two tires have the same wheel size.

Construction Type

Construction type is the way the tire is made. The 305 55r20 has a construction type of radial, while the 35×12 50r20 has a construction type of radial. This means that the two tires have the same construction type.

Our Observation

The main difference between 305 55r20 and 35×12 50r20 tire sizes is the sidewall height. The 35×12 50r20 tire size is about 13.72% taller than the 305 55r20 tire size.

The 35×12 50r20 tires are a better choice if you are looking for increased stability and traction. The 305 55r20 tires are a better choice if you want a smoother ride and decreased fuel consumption.

Conclusion

Choosing the correct tire size is a very important decision. The 305 55r20 and 35×12 50r20 are two very popular tire sizes. But which one is better for you? Now that we’ve looked at the key differences between 305 55r20 and 35×12 50r20 tires, it’s up to you to decide which size is better for your needs.

We hope this article helped you understand the key differences between 305 55r20 and 35×12 50r20 tire sizes. If you have any questions, feel free to contact us or visit your local tire shop. Thanks for reading!

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