255 85r16 vs 315 75r16 Tire Size

Both sizes have their pros and cons, so it can be tough to decide which one is right for you. In this article, we’ll break down the differences between these two tire sizes so you can make an informed decision. By the end, you’ll know which size is best for your vehicle and driving needs. Let’s get started!

255 85r16 vs 315 75r16 Table

This comparison table will help you decide which tire size is right for your vehicle.

315/75r16

255/85r16

Overall Diameter 34.6 inches

Overall Diameter 33.07 inches

Width 12.4 inches 

Width 10.04 inches

Sidewall Height 9.3 inches 

Sidewall Height 8.53 inches 

Radial Tire (A Radial-Ply Tire)

Radial Tire (A Radial-Ply Tire)

Rim Size 16 inches

Rim Size 16 inches

Circumference 108.71 inches

Circumference 103.88 inches

Revs Per Mile 582

Revs Per Mile 609

Overall Diameter

The overall diameter is the first thing to consider when choosing a tire size. The overall diameter is the measurement from one side of the tire to the other. The 255 85r16 has an overall diameter of 33.07 inches, while the 315 75r16 has an overall diameter of 34.6 inches.

If you’re looking for a tire that is larger in diameter, the 315 75r16 is the better option. This can be beneficial if you’re looking for a smoother ride or more ground clearance. However, keep in mind that a larger tire may also negatively affect your fuel economy.

Section Width

The next thing to consider is the section width. The section width is the measurement of the tire from one side to the other, not including the tread. The 255 85r16 has a section width of 255mm, while the 315 75r16 has a section width of 315mm.

A wider tire may provide better traction, but it can also make your vehicle more difficult to handle. If you’re looking for a tire that is easier to handle, the 255 85r16 is the better option.

Circumference

The circumference is the distance around the outside of the tire. The 255 85r16 has a circumference of 103.88 inches, while the 315 75r16 has a circumference of 108.71 inches.

The difference in the tire’s circumference can affect your vehicle’s speedometer reading. If you’re looking for a tire that will give you an accurate speedometer reading, the 255 85r16 is the better option.

Revolutions Per Mile

The number of revolutions per mile (RPM) is how many times the tire goes around in one mile. The 255 85r16 has an RPM of 609, while the 315 75r16 has an RPM of 582.

A higher RPM can mean a smoother ride, but it can also mean that your engine has to work harder. If you’re looking for a tire that will give you a smoother ride, the 255 85r16 is the better option.

Sidewall Height

The sidewall height is the distance from the edge of the tire to the bead. The 255 85r16 has a sidewall height of 8.53 inches, while the 315 75r16 has a sidewall height of 9.3 inches.

A taller sidewall can provide a softer ride, but it can also make the vehicle more difficult to handle. The difference between those two tires is 0.77 inches or 8.3%. These are just a few things to consider when choosing the right tire size for your vehicle.

Wheel Size

Rim size is the last measurement to take into account. The 255 85r16 has a rim size of 16 inches, while the 315 75r16 has a rim size of 16 inches. The rim size can affect the tire’s overall diameter, so it is important to consider it.

Construction Type

The 255 85r16 is a radial tire, while the 315 75r16 is a radial tire. Radial tires are constructed with steel belts that run around the circumference of the tire. The steel belts are reinforced with nylon or polyester to provide strength and durability.

Our Observation

The main difference between 255 85r16 and 315 75r16 tire sizes is in the section width. The 255 85r16 has a section width of 255mm, while the 315 75r16 has a section width of 315mm. Other than that, there are only slight differences in the different dimensions. The sidewall height is the distance from the edge of the tire to the bead.

Conclusion

As you can see, there are a few things to consider when choosing the right tire size for your vehicle. The 255 85r16 and 315 75r16 tire sizes have their own benefits and drawbacks. It is important to consider all of the dimensions before making a decision. If you have any questions, please feel free to contact us. We would be more than happy to help you choose the right tire size for your vehicle.

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