225 45r18 vs 245 40r18 Tire Size
There are so many options to choose from when it comes to tires. It can be overwhelming for some people. We will compare the 225 45r18 and 245 40r18 tire sizes. Both of these sizes are popular choices among drivers, so it is important to understand the differences between them.
We will provide a table that outlines the pros and cons of each size, so you can make an informed decision about which one is right for you!
225/45r18 vs 245/40r18 Table
This comparison table will help you understand the differences between these two tire sizes.
225/45R18 | 245/40r18 |
Overall Diameter 25.97 inches | Overall Diameter 25.72 inches |
Width 8.86 inches | Width 9.65 inches |
Sidewall Height 3.99 inches | Sidewall Height 3.86 inches |
Radial Tire (A Radial-Ply Tire) | Radial Tire (A Radial-Ply Tire) |
Rim Size 18 inches | Rim Size 18 inches |
Circumference 81.59 inches | Circumference 80.79 inches |
Revs Per Mile 776 | Revs Per Mile 784 |
Overall Diameter
The first thing to consider when comparing tires is the overall diameter. The 225 45r18 has an overall diameter of 25.97 inches. The 245 40r18 has an overall diameter of 25.72 inches. This means that the 225 45r18 is slightly larger in diameter than the 245 45r18.
The larger diameter of the 225 45r18 means that it will have a slightly larger circumference. This can be beneficial because it will provide a smoother ride. The larger diameter can also help fuel efficiency because it will reduce rolling resistance.
Section Width
The next thing to consider is the section width. The section width measures the tire’s width from one sidewall to the other. The 225 45r18 has a section width of 225 millimeters. The 245 40r18 has a section width of 245 millimeters. This means that the 245 40r18 is slightly wider than the 225 45r18.
The wider width of the 245 40r18 can provide a few benefits. First, it can provide better handling because there is more contact with the road. Additionally, the wider width can also help with traction, especially in wet or snowy conditions.
Circumference
The circumference of a tire is the distance around the outside of the tire. The 225 45r18 has a circumference of 81.59 inches. The 245 40r18 has a circumference of 80.79 inches. This means that the 225 45r18 has a slightly larger circumference than the 245 40r18.
The larger circumference of the 225 45r18 can be beneficial because it will provide a smoother ride. The larger circumference can also help fuel efficiency because it will reduce rolling resistance.
Revolutions Per Mile
The last thing to consider when comparing tires is the revolutions per mile. The 225 45r18 has revolutions per mile of 776. The 245 40r18 has revolutions per mile of 784. This means that the 245 40r18 has slightly higher revolutions per mile than the 225 45r18.
The higher revolutions per mile of the 245 45r18 can be beneficial because it will provide a smoother ride. Additionally, the higher revolutions per mile can also help with fuel efficiency because it will reduce rolling resistance.
Sidewall Height
The sidewall height is the distance from the edge of the rim to the top of the tread. The 225 45r18 has a sidewall height of 101.25 millimeters. The 245 40r18 has a sidewall height of 98 millimeters. This means that the 225 45r18 has a slightly taller sidewall than the 245 40r18.
The taller sidewall of the 225 45r18 can be beneficial because it will provide a smoother ride. Additionally, the taller sidewall can also help with traction, especially in off-road conditions.
Wheel Size
The final thing to consider when comparing tires is the wheel size. The 225 45r18 has a wheel size of 18 inches. The 245 40r18 has a wheel size of 18 inches. This means that both tires have the same wheel size. Both tires have the same wheel size means that they will fit on the same type of car.
Construction Type
The construction type is the way the tire is put together. The 225 45r18 has a construction type of radial. The 245 40r18 has a construction type of radial. This means that both tires have the same construction type. Both tires have the same construction type, meaning they will have the same ride quality.
Our Observation
The main difference between 225 45r18 and 245 40r18 Tire Sizes is in the section width. That means the 245 40r18 tire size is 0.79 inches or about 8.9% more than the 225 45r18 tire size. Most of the other size specifications are similar except for the circumference. The 225 45r18 tire size has a slightly larger circumference by about 0.79 inches or about 0.98% when you put all these specs into a table.
In conclusion, the 225 45r18 and 245 40r18 tire size comparison shows that the 245 45r18 is a slightly better tire overall. The 245 45r18 has a wider width, providing better handling and traction. Additionally, the 225 45r18 has a larger circumference, providing a smoother ride and better fuel efficiency. Ultimately, deciding which tire size to choose depends on your personal preferences and needs.
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