What Does 325/65R18 Mean?
Here are the approximate measurements in inches:
- Diameter of the tire: Approximately 34.6 inches
- Tire width: Approximately 12.8 inches
- Sidewall height: Approximately 8.3 inches (calculated as a percentage of the tire’s width, which is 65% in this case)
- Diameter of the wheel: 18 inches
To understand the 325/65R18 tire size, we must break it down into components. The first number (325) represents the tire width in millimeters, and the second number (65) is the aspect ratio, which is the height of the tire’s sidewall as a percentage of its width.
The letter “R” indicates that it’s a radial tire, and the last number (18) represents the diameter of the wheel in inches. By calculating these measurements, we can determine that the 325/65R18 tire has a diameter of approximately 34.6 inches and a width of about 12.8 inches.
| Tire Height (Diameter) | 34.6 in | 880 mm |
| Wheel Size | 18 in | 457 mm |
| Sidewall Height | 8.3 in | 211 mm |
| Tire Width | 12.8 in | 325 mm |
| Tire Circumference | 108.8 in | 2,764 mm |
| Revolutions per Mile | 582.3 | |
| Revolutions per Kilometer | 361.8 | |
Vehicles That Use 325/65R18 Tires
The 325/65R18 tire size is commonly used on larger vehicles like trucks and SUVs. Some popular vehicles that use this tire size include the Ford F-250, Chevy Silverado 2500, and Dodge Ram 2500. The reason for using this tire size on these vehicles is that they require a larger tire to handle the weight and power of the vehicle.
Performance Characteristics Of 325/65R18 Tires
When it comes to performance, the 325/65R18 tire offers excellent traction and grip on a variety of surfaces. This tire size also provides stable handling and good ride comfort but can be noisier than smaller tire sizes. Additionally, due to the larger tire size, fuel efficiency can be slightly reduced, and tire wear can be higher.
How To Choose The Right 325/65R18 Tire For Your Vehicle?
When choosing a tire, there are several factors to consider, such as your driving style, climate, and terrain. Different types of tires are available in the 325/65R18 size, including all-season, all-terrain, and mud-terrain tires. Some recommended brands and models in this size include the Michelin LTX A/T2, BFGoodrich All-Terrain T/A KO2, and Nitto Terra Grappler G2.
Maintenance And Care Of 325/65R18 Tires
To ensure the longevity and performance of your tires, it’s essential to follow proper maintenance and care. This includes regular inflation and rotation, alignment and balancing, and inspection and replacement when necessary.
Conclusion
The 325/65R18 tire size is popular for larger vehicles, offering excellent performance and stability on various surfaces. When choosing a tire, you must consider driving style and climate factors to select the right tire for your needs. Following proper maintenance and care ensures that your 325/65R18 tires will provide optimal performance and longevity.
