275 70r18 vs 285 70r18 Tire Size

275 70r18 vs 285 70r18

Both of these sizes are popular among drivers, so it can be tough to decide which one is right for you. To get the most out of your vehicle, you need to make sure you have the correct size tires.

Different sizes offer different benefits, so it is important to understand the difference between 275 70r18 and 285 70r18 tire sizes. In this blog post, we will discuss the pros and cons of each size so that you can make an informed decision about which is best for you.

275/70r18 vs 285/70r18 Table

275 70r18

285 70r18

Overall Diameter 33.16 inches

Overall Diameter 33.71 inches

Width 10.83 inches 

Width 11.22 inche 

Sidewall Height 7.58 inches 

Sidewall Height 7.85 inches 

Radial Tire (A Radial-Ply Tire)

Radial Tire (A Radial-Ply Tire)

Rim Size 18 inches

Rim Size 18 inches

Circumference 104.17 inches

Circumference 105.9 inches

Revs Per Mile 608

Revs Per Mile 598

What Does 285 70r18 Tire Mean?

The 285 70r18 tire size is a popular choice for many drivers. This size offers a few different benefits that might make it the right choice for you. The 285 70r18 tire size means that the tire has a width of 285 mm and an aspect ratio of 70%.

The “R” in size means that the tire is radial, and the 18 refers to the diameter of the wheel in inches. This size is commonly used on SUVs and trucks. One advantage of the 285 70r18 tire size is that it offers a wider width than the 275 70r18.

Wheel Size

The diameter is important because it must be compatible with your wheels’ size. If the diameter of the tire is too small, it will not fit on the wheel. If the diameter is too large, the tire cannot grip the road properly.

The diameter of a 285 70r18 tire is 18 inches. The diameter of a 275 70r18 tire is also 18 inches. This means that the two sizes are compatible with the same size wheels.

Overall Diameter

The overall diameter is the tire’s diameter plus the sidewall’s height. The overall diameter of a 285 70r18 tire is 33.71 inches. The overall diameter of a 275 70r18 tire is 33.16 inches. This means that the 285 70r18 tire is slightly larger overall than the 275 70r18 tires.

The larger overall diameter of the 285 70r18 tires can offer a few advantages. The larger diameter means that the tire can grip the road better. This can improve handling, especially in wet or icy conditions. The larger diameter also means that the tire can provide a smoother ride.

Section Width

The width affects the grip, handling, and fuel economy of the vehicle. A wider tire will have more contact with the road, which can improve grip. However, a wider tire can also increase fuel consumption because it creates more drag.

The width of a 285 70r18 tire is 285 mm. The width of a 275 70r18 tire is 275 mm. This means that the 285 70r18 tire is slightly wider than the 275 70r18. The extra width can offer improved grip and handling, but it can also slightly reduce fuel economy.

Circumference

The larger circumference can cause the speedometer to read slightly higher speeds than the actual speed of the vehicle. The larger circumference can also slightly reduce fuel economy.

The circumference of a 285 70r18 tire is 105.9 inches. The circumference of a 275 70r18 tire is 104.17 inches. This means that the 285 70r18 tire has a slightly larger circumference than the 275 70r18.

Sidewall Height

The sidewall height is the distance from the edge of the wheel to the top of the tread. The sidewall height affects the grip, handling, and comfort of the vehicle. A taller sidewall height can improve grip and handling, but it can also make the ride less comfortable.

The sidewall height of a 285 70r18 tire is 7.85 inches. The sidewall height of a 275 70r18 tire is 7.58 inches. This means the 285 70r18 tire has a taller sidewall height than the 275 70r18.

Construction Type

The construction type of a tire affects the grip, handling, and durability of the tire. A radial tire has steel belts that run across the tread. This gives the tire a more durable construction.

The construction type of a 285 70r18 tire is radial. The construction type of a 275 70r18 tire is also radial. This means that the two sizes have the same construction type.

Our Observation

The main difference between 275 70r18 and 285 70r18 tire size is in the section width. The 285 70r18 tire size is 0.39 inches or about 3.6% wider than the 275 70r18 tire size. This difference is not big, but it’s enough to make a wider contact patch with the ground.

If you are looking for better grip and handling, especially in wet or icy conditions, you should go with the 285 70r18 tire size. If you want slightly better fuel economy, you should go with the 275 70r18 tire size.

Conclusion

The 285 70r18 tire size is an excellent all-around choice. It offers slightly better grip and handling than the 275 70r18 tire size and is also compatible with the same size wheels. You can go with the 275 70r18 tire size if you want somewhat better fuel economy.

Thank you for reading! We hope this article was helpful. If you have any questions or comments, please feel free to leave them below. We would be happy to hear from you!

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