Tire Size 275/65r18 vs 35×12 50r18
The 275/65r18 is 32.1×10.8r18 in inches, comfy for daily use. The 315/70r18 is 35×12.50r18 in inches, great for off-roading! Choose what’s best for your ride, but always prioritize safety and performance. We’ll cover everything from Tread Width to Revolutions per mile, so you can make an informed decision about which tire size is right for your vehicle.
275/65r18 vs 35×12 50r18 Table
This table provides a quick and easy comparison of the 275/65R18 and 35×12 50r18 tire sizes, helping you to understand their differences at a glance
| Feature | 275/65r18 | 35/12.5r18 | Difference |
|---|---|---|---|
| Diameter | 32.07″ | 35.03″ | 2.95 inches |
| Width | 10.83″ | 12.52″ | 1.69 inches |
| Circum. | 100.77″ | 110.04″ | 9.27 inches |
| Sidewall Height | 7.04″ | 8.51″ | 1.48 inches |
| Revolutions | 628.78 | 575.79 | 52.99 |
Alternative Tire Size For 275/65R18
It is recommended that the overall diameter of the new tires be within 3% of the overall diameter of the original tires.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 225/75R18 | 31.3″ (795 mm) | -2.5% |
| 285/60R18 | 31.5″ (799 mm) | -2% |
| 265/65R18 | 31.5″ (801 mm) | -1.7% |
| 245/70R18 | 31.5″ (801 mm) | -1.7% |
| 235/75R18 | 31.9″ (809 mm) | -0.7% |
| 255/70R18 | 32.1″ (815 mm) | 0% |
| 305/60R18 | 32.4″ (823 mm) | 1% |
| 285/65R18 | 32.6″ (827 mm) | 1.5% |
| 265/70R18 | 32.6″ (829 mm) | 1.7% |
| 375/50R18 | 32.8″ (833 mm) | 2.2% |
Alternative Tire Size For 35X12.50R18
It is recommended to choose tires with an overall diameter that is no more than 3% different from the original tire’s diameter.
| Tire Size | Diameter | Difference |
|---|---|---|
| 285/75R18 | 34.8″ | -0.57% |
| 295/70R18 | 34.3″ | -2% |
| 305/70R18 | 34.8″ | -0.57% |
| 325/65R18 | 34.6″ | -1.14% |
| 34×12.5R18 | 34.0″ | -2.86% |
| 315/70R18 | 35.4″ | 1.14% |
| 35x13R18 | 35.0″ | 0% |
Overall Diameter
The overall diameter of a tire is an important factor to consider when choosing the right tire size. The 275/65R18 tire has an overall diameter of 32.07 inches, while the 35×12 50r18tire has an overall diameter of 35.03 inches. This means that the 35×12 50r18 tire is larger in diameter than the 275/65R18 tire, which could potentially impact the speedometer reading and the overall performance of the vehicle.
Tread Width
The tread width of a tire is another important factor to consider when choosing the right tire size. The 275/65R18 tire has a tread width of 10.83 inches, while the 35X12.50R18 tire has a tread width of 12.52 inches. This means that the 35×12 50r18 tire has a wider tread width than the 275/65R18 tire, which could potentially provide better traction and handling in off-road conditions.
Rim Diameter
The rim diameter of a tire is the diameter of the wheel that the tire is mounted on. The 275/65R18 tire is designed to fit on an 18-inch rim, while the 35X12.50R18 tire is also designed to fit on an 18-inch rim. This means that both tire sizes can be mounted on the same size rim, making it easier to switch between the two tire sizes if needed.
Sidewall Height
The sidewall height of a tire is the distance between the wheel rim and the outer edge of the tire. The 275/65R18 tire has a sidewall height of 7.04 inches, while the 35×12 50r18 tire has a sidewall height of 8.51 inches. This means that the 35×12 50r18tire has a taller sidewall height than the 275/65R18 tire, which could potentially provide better off-road performance by allowing for more flexibility and cushioning.
Circumference
The circumference of a tire is the distance around the outside of the tire. The 275/65R18 tire has a circumference of 100.77 inches, while the 35×12 50r18 tire has a circumference of 110.04 inches. This means that the 35×12 50r18 tire has a larger circumference than the 275/65R18 tire, which could potentially impact the speedometer reading and the overall performance of the vehicle.
Revolutions
The number of revolutions a tire makes in a mile is an important factor to consider when choosing the right tire size. The 275/65R18 tire makes 628.78 revolutions per mile, while the 35×12 50r18 tire makes 575.79 revolutions per mile. This means that the 35X12.50R18 tire will make fewer revolutions per mile than the 275/65R18 tire, which could potentially impact the speedometer reading and the overall performance of the vehicle.
Our Observation
In terms of overall diameter, the 35×12.50r18 tire is about 2.95 inches larger than the 275/65r18 tire. This means that the 35×12.50r18 tire has a higher ground clearance and may be better suited for off-road use. However, the 275/65r18 tire has a taller sidewall, which can provide a smoother and more comfortable ride.
Additionally, the wider tread of the 35×12.50r18 tire can provide better traction and handling on certain surfaces, while the taller sidewall of the 275/65r18 tire can absorb impacts and bumps better, resulting in a more comfortable ride.
