285 70r17 vs 275 70r17 Tire Size

If you’re in the market for a new set of tires, you may be wondering what the difference is between a 285 70r17 and a 275 70r17. Both of these tire sizes are popular options for light trucks and SUVs, but there are some key differences that you should know about before making your purchase. We will take a closer look at both of these tire sizes and help you decide which one is right for you!

285/70r17 vs 275/70r17 Table

This comparison table will help you see the key differences between these two tire sizes at a glance.

285/70r17

275/70r17

Overall Diameter 32.71 inches

Overall Diameter 32.16 inches

Width 11.22 inches 

Width 10.83 inches

Sidewall Height 7.85 inches 

Sidewall Height 7.58 inches 

Radial Tire (A Radial-Ply Tire)

Radial Tire (A Radial-Ply Tire)

Rim Size 17 inches

Rim Size 17 inches

Circumference 102.76 inches

Circumference 101.03 inches

Revs Per Mile 616

Revs Per Mile 627

Overall Diameter

The first thing you’ll notice is that the 285 70r17 tires are slightly larger in overall diameter than the 275 70r17 tires. This difference is only about 0.55 inches, but it can significantly affect how your vehicle handles.

The larger tires will provide more traction and stability, while the smaller tires will offer a smoother ride. The overall diameter of the 285 70r17 tire size is 32.71 inches, and 32.16 inches is the overall diameter of the 275 70r17 tire size.

Section Width

Another key difference between these two tire sizes is the section width. The 285 70r17 tires have a section width of 11.22 inches, while the 275 70r17 tires have a section width of 11 inches.

This difference is only about 0.22 inches. The wider tires will provide more traction and stability, while the narrower tires will offer a smoother ride.

Circumference

The circumference of the 285 70r17 tires is 102.76 inches, and 101.03 inches for the 275 70r17 tires. This difference is only about 1.73 inches or 1.7%. The larger tires will provide more traction and stability, while the smaller tires will offer a smoother ride.

Revolutions Per Mile

The revolutions per mile (RPM) of the 285 70r17 tires is 616, and the RPM of the 275 70r17 tires is 627. This difference is only about 10.57 RPM or 1.7%. The revolutions per mile mean how many times the tire will rotate in one mile.

Sidewall Height

The sidewall height of the 285 70r17 tires is 7.85 inches, and the sidewall height of the 275 70r17 tires is 7.58 inches. This difference is only about 0.28 inches or about 3.5%. The taller the sidewall, the more cushioning the tire will have. This can provide a smoother ride but may sacrifice some handling.

Wheel Size

Rim size is another key factor to consider when choosing tires. The 285 70r17 tires have a rim size of 17 inches, and the 275 70r17 tires can also be mounted in 17-inch rim size. So the difference in wheel size is negligible.

Construction Type

Radial tire construction is the most common type of tire construction. In this type of construction, the steel belts are wrapped around the tire from bead to bead. The belts are then reinforced with nylon or polyester to provide strength and durability. The 285 70r17 tires have a radial construction, while the 275 70r17 tires also have radial construction. The difference in construction type is negligible.

Our Observation

As you can see, there are some key differences between these two tire sizes. The 285 70r17 tires are slightly larger in overall diameter, have a wider section width, and have a taller sidewall height. The 275 70r17 tires have a slightly smaller overall diameter, narrower section width, and shorter sidewall height.

So, which tire size is right for you? It depends on your personal preferences and what you’ll use your vehicle for. The 285 70r17 tires might be a good option if you need more traction and stability. The 275 70r17 tires might be a better choice if you’re looking for a smoother ride.

Conclusion

The main difference between 285 70r17 and 275 70r17 tire size is in the section width. The 285 70r17 is 0.39 inches or 3.5% wider than the 275 70r17 tire size. The wider the section width, the more traction and stability the tire will have.

Whatever you decide, we hope this article has helped you better understand the key differences between these two tire sizes. If you have any further questions, feel free to give us a knock or visit our blog section. We’re always happy to help! If you enjoyed this article, please feel free to share it with your friends or family, who might also find it helpful.

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