285/65r18 vs 275/70r18 Tire
When it comes to tires, there are a lot of different options to choose from. You can go with a standard size, or you can get something a little more specialized. In this blog post, we’re going to compare the 285/65r18 and 275/70r18 tire sizes and see which one is better for your needs.
285/65r18 vs 275/70r18 Table
In this table, we are going to compare the two different tire sizes. The first column is going to be the width, the second column is going to be the height, and the third column is going to be the rim size.
285/65r18 Tire | 275/70r18 Tire |
Model is Ridge Grappler | Model is Tera Grappler G2 |
Tread Depth 16.4 Inches | Tread Depth 18.8 32nds |
Tire Width 11.2 inches | Tire Width 10.8 inches |
Sidewall 7.3 inches | Sidewall 7.6 inches |
Revolutions Around 619 Per Mile | Revolutions Around 609 Per Mile |
Load Index Rating Is 122 | Load Index Rating Is 125 |
285/65r18 Is a Radial Tire | 275/70r18 Is a Radial Tire |
Overall Diameter is 32.6 inches | Overall Diameter is 33.2 inches |
What Does 285/65r18 Mean?
The 285/65r18 is a tire size that is often used on trucks and SUVs. The first number, 285, is the width of the tire in millimeters. The second number, 65, is the height of the tire as a percentage of the width. The last number, 18, is the rim size in inches. In short, we can say
- Diameter 32.6 inch
- Width 11.2 inch
- Sidewall 7.3 inch
- Circum. 102.3 inch
- Revs/Mile 619
Also, numbers and letters mean something if you are checking closely. You can measure the width of a tire with numbers. The first number is 285 and it means the width of the tire is in millimeters. The second number is 65 and it means the height of the sidewall, which is a percentage of the width. The “r” in the size means that it is a radial tire. The last number is 18 and it means the rim size is in inches.
What Does 275/70r18 Mean?
The 275/70r18 is a tire size that is often used on trucks and SUVs. The first number, 275, is the width of the tire in millimeters. The second number, 70, is the height of the tire as a percentage of the width. The last number, 18, is the rim size in inches. In short, we can say
- Diameter 33.2 inch
- Width 10.8 inch
- Sidewall 7.6 inch
- Circum. 104.1 inch
- Revs/Mile 609
Also, numbers and letters mean something if you are checking closely. You can measure the width of a tire with numbers. The first number is 275 and it means the width of the tire is in millimeters. The second number is 70 and it means the height of the sidewall, which is a percentage of the width. The “r” in the size means that it is a radial tire. The last number is 18 and it means the rim size is in inches.
Diameter
The first thing you will notice is that the diameter of these two tire sizes is different. The 285/65r18 has a diameter of 32.60 inches while the 275/70r18 has a diameter of 33.20 inches. This may not seem like much, but it can make a difference when you are trying to fit your tires into a certain space.
Width
The width of the tires is also different. The 285/65r18 has a width of 11.20 inches while the 275/70r18 has a width of 10.80 inches. This can make a difference in the way your vehicle handles and how much traction you have.
The width of a tire affects the grip and handling of your car. This is because the wider the tire, the more surface area it has in contact with the road. However, this is not the only factor that determines how well your car handles. The height of the sidewall also affects how well your car performs.
Aspect Ratio
The aspect ratio of a tire is the height of the sidewall as a percentage of the width. The 285/65r18 has an aspect ratio of 65, which means that the height of the sidewall is 65% of the width. The 275/70r18 has an aspect ratio of 70, which means that the height of the sidewall is 70% of the width.
Tire Construction
The last thing to consider is the construction of the tire. The 285/65r18 is a radial tire while the 275/70r18 is also a radial tire. Radial tires are made with steel belts that run across the tread. The steel belts help to reinforce the structure of the tire and make it more durable.
Rim Size
The rim size is the diameter of the wheel that the tire is mounted on. The 285/65r18 has a rim size of 18 inches while the 275/70r18 has a rim size of 18 inches. Both tires will fit the rim size of 18 inches.
Conclusion
The main difference between 285/65r18 and 275/70r18 Tire is the width, the height of sidewall, diameter, and circumference. The 285/65r18 is a little wider and has a smaller sidewall. The 275/70r18 is a little narrower and has a taller sidewall. The diameter of the 285/65r18 is smaller, but the circumference is larger. The 275/70r18 has a slightly larger diameter and smaller circumference. Both tires will fit on a rim size of 18 inches.
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Peter Rees, your go-to car parts expert, bridges the gap between mechanics and motorists. With over decades in the automotive industry, he decodes the intricacies of vehicles in his insightful blog, steering readers toward savvy decisions and smooth rides.