235 40r18 vs 225 40r18 Tire Size
Making the switch from 225 40r18 to 235 40r18 tires is a big decision. Both sizes have pros and cons, so it can be tough to decide which is right for you. Both sizes have pros and cons, which we will discuss in this blog post.
Read on to learn more about the differences between these two sizes so that you can make an informed decision about which one is right for you.
235/40r18 vs 225/40r18 Table
In this comparison table, we will discuss each size’s pros and cons.
235/40r18 | 225/40r18 |
Overall Diameter 25.4 inches | Overall Diameter 25.09 inches |
Width 9.25 inches | Width 8.86 inches |
Sidewall Height 3.7 inches | Sidewall Height 3.54 inches |
Radial Tire (A Radial-Ply Tire) | Radial Tire (A Radial-Ply Tire) |
Rim Size 18 inches | Rim Size 18 inches |
Circumference 79.8 inches | Circumference 78.81 inches |
Revs Per Mile 793 | Revs Per Mile 803 |
Overall Diameter
The overall diameter is one of the most important aspects of a tire size. The 235 40r18 has a diameter of 25.4 inches, while the 225 40r18 has a diameter of 25.09 inches. This means that the 235 40r18 is slightly larger overall, which can have some advantages and disadvantages. The difference between those tire sizes is 0.31 inches or about 1.2%.
Section Width
The section width is another important aspect to consider when choosing a tire size. The 235 40r18 has a width of 235 mm, while the 225 40r18 has a width of 225 mm. This means that the 235 40r18 is slightly wider overall, which can have some advantages and disadvantages.
The difference between those tire sizes is about 10 mm or 4.3%. Some people might prefer the wider tire because it offers more stability and grip. In comparison, others might choose the narrower tire because it is lighter and can improve fuel economy.
Circumference
The circumference is another important aspect to consider when choosing a tire size. The 235 40r18 has a circumference of 79.8 inches, while the 225 40r18 has a circumference of 78.81 inches. This means that the 235 40r18 is slightly larger overall, which can have some advantages and disadvantages.
The difference between those tire sizes is 0.99 inches or about 1.2%. Some people might prefer the larger tire because it offers a smoother ride. In comparison, others might prefer the smaller tire because it is lighter and can improve fuel economy.
Revolutions Per Mile
The revolutions per mile is another essential aspect when choosing a tire size. The 235 40r18 has revolutions per mile of 793, while the 225 40r18 has revolutions per mile of 803. This means that the 235 40r18 requires slightly less effort to rotate.
The difference between those tire sizes is about ten or about 1.3%. Some people might prefer the tire that requires less effort to rotate because it can save fuel. In comparison, others might prefer the tire that requires more effort to rotate because it can offer better traction.
Sidewall Height
The sidewall height is another important aspect to consider when choosing a tire size. The 235 40r18 has a sidewall height of 94 mm, while the 225 40r18 has a sidewall height of 90 mm. This means that the 235 40r18 has a taller sidewall, which can have some advantages and disadvantages.
The difference between those tire sizes is about 4 mm or about 4.3%. Some people might prefer the taller sidewall because it offers more protection to the rim of the wheel, while others might prefer the shorter sidewall because it can improve handling.
Wheel Size
The wheel size is another important aspect to consider when choosing a tire size. The 235 40r18 can fit on 18-inch wheels, while the 225 40r18 can fit on 18-inch wheels. That means both of these sizes can be used on the same size wheels.
Construction Type
The construction type is another essential aspect to consider when choosing a tire size. The 235 40r18 is available in radial construction, while the 225 40r18 is available in radial construction. Radial tires are the most common type of tire, and they offer several advantages, such as improved handling, increased fuel economy, and longer tread life.
Our Observation
After looking at all the important aspects of both tire sizes, we think the 235 40r18 is the better choice for most people. It is slightly larger overall, which can offer a smoother ride, and it has a taller sidewall, which can offer more protection to the wheel’s rim.
It is also available in radial construction, which offers several advantages, such as improved handling, increased fuel economy, and longer tread life. If you have any other questions, please feel free to contact us. We would be happy to help you choose the right tire size for your needs. Thank you for reading!
