Tire Size 225/70r15 vs 235/75r15
Choosing the right tire size for your vehicle can be a daunting task, especially for those who don’t have a lot of experience with tire sizes. However, understanding the key differences between two popular tire sizes, such as 225/70r15 and 235/75r15, can help you make an informed decision.
225/70r15 vs 235/75r15 Table
Here is a table comparing the key differences between the 225/70r15 and 235/75r15 tire sizes.
| Feature | 225/70r15 | 235/75r15 | Difference |
|---|---|---|---|
| Diameter | 27.4″ | 28.88″ | 1.48 (5.4%) |
| Width | 8.86″ | 9.25″ | 0.39 (4.4%) |
| Circum. | 86.08″ | 90.72″ | 4.64 (5.4%) |
| Sidewall Height | 6.2″ | 6.94″ | 0.74 (11.9%) |
| Revolutions | 736.02 | 698.39 | 37.63 (5.1%) |
Alternative Tire Size of 235/75r15
Several alternative tire sizes are available to consider for the 235/65r16 tire size. The following table displays the overall diameter and the difference in diameter for some of the most popular alternative tire sizes.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 255/65R15 | 28.1″ (713 mm) | -2.7% |
| 225/75R15 | 28.3″ (719 mm) | -1.9% |
| 245/70R15 | 28.5″ (725 mm) | -1.1% |
| 215/80R15 | 28.5″ (725 mm) | -1.1% |
| 295/60R15 | 28.9″ (735 mm) | 0.3% |
| 255/70R15 | 29.1″ (739 mm) | 0.8% |
| 225/80R15 | 29.2″ (741 mm) | 1.1% |
| 215/85R15 | 29.4″ (747 mm) | 1.9% |
| 245/75R15 | 29.5″ (749 mm) | 2.2% |
| 205/90R15 | 29.6″ (751 mm) | 2.5% |
| 265/70R15 | 29.6″ (753 mm) | 2.7% |
Alternative Tire Size of 225/70r15
Here is a table that shows the overall diameter and the difference in diameter for the most popular alternative tire sizes for the 225/70r15 tire size.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 185/80R15 | 26.7″ (677 mm) | -2.9% |
| 295/50R15 | 26.7″ (677 mm) | -2.9% |
| 215/70R15 | 26.9″ (683 mm) | -2.0% |
| 275/55R15 | 26.9″ (683 mm) | -2.0% |
| 235/65R15 | 27.0″ (687 mm) | -1.4% |
| 305/50R15 | 27.0″ (687 mm) | -1.4% |
| 255/60R15 | 27.0″ (687 mm) | -1.4% |
| 205/75R15 | 27.1″ (689 mm) | -1.1% |
| 195/80R15 | 27.3″ (693 mm) | -0.6% |
| 245/65R15 | 27.5″ (699 mm) | 0.3% |
| 265/60R15 | 27.5″ (699 mm) | 0.3% |
| 295/55R15 | 27.8″ (705 mm) | 1.1% |
| 325/50R15 | 27.8″ (707 mm) | 1.4% |
| 275/60R15 | 28.0″ (711 mm) | 2.0% |
| 235/70R15 | 28.0″ (711 mm) | 2.0% |
| 255/65R15 | 28.1″ (713 mm) | 2.3% |
Overall Diameter
The overall diameter is the first thing to consider when choosing a tire size. The 235 75r15 tires have a slightly larger diameter than the 225 70r15 tires. This means that the 235 75r15 tires will be slightly taller and wider than the 225 70r15 tires.
In short, the overall diameter of the 235 75r15 tire size is 28.88 inches and the overall diameter of the 225 70r15 tire size is 27.4 inches. The difference between those tire sizes is around 1.48 inches or about 5.4%.
Section Width
The section width is the width of the tire from sidewall to sidewall. The 235 75r15 tires have a more comprehensive section width than the 225 70r15 tires. This means that the 235 75r15 tires will be wider than the 225 70r15 tires.
The section width of the 235 75r15 tire size is 235 millimeters, and the section width of the 225 70r15 tire size is 225 millimeters. The difference between those tire sizes is around 10 millimeters or about 4.4%%.
Circumference
The circumference of a tire is the distance around the outside of the tire. The 235 75r15 tires have a larger circumference than the 225 70r15 tires. This means that the 235 75r15 tires will go around the wheel more times than the 225 70r15 tires.
The circumference of the 235 75r15 tire size is 88.58 inches, and the circumference of the 225 70r15 tire size is 85.03 inches. The difference between those tire sizes is around 4.64 inches or about 5.4%.
Revolutions Per Mile
The number of revolutions per mile (RPM) is how many times the tire will go around in one mile. The 235 75r15 tires have a higher RPM than the 225 70r15 tires. This means that the 235 75r15 tires will go around more times in one mile than the 225 70r15 tires.
The RPM of the 235 75r15 tire size is 698, and the RPM of the 225 70r15 tire size is 736. The difference between those tire sizes is around 37, or about 5.1%.
Sidewall Height
The sidewall height is the distance from the edge of the wheel to the top of the tire. The 235 75r15 tires have a taller sidewall than the 225 70r15 tires. This means that the 235 75r15 tires will be taller than the 225 70r15 tires. The sidewall height of the 235 75r15 tire size is 6.94 inches, and the sidewall height of the 225 70r15 tire size is 6.2 inches.
Wheel Size
The wheel size is the diameter of the wheel that the tire will be mounted on. The 235 75r15 tires can be mounted on a 15-inch diameter wheel. The 225 70r15 tires can be mounted on a 15-inch diameter wheel. So that means both can mount on the same size wheel. The difference is negligible.
Construction Type
The construction type is the way the tire is made. The 235 75r15 tires are available in radial construction. The 225 70r15 tires are available in radial construction. That means both can be made the same way. The difference is negligible.
Our Observation
After reviewing the key differences between the two tire sizes, we can conclude that the 235/75r15 tire size offers better traction, stability, and comfort on rough terrain. However, the 225/70r15 tire size may provide better speed and fuel efficiency due to its smaller circumference and higher number of revolutions per mile.
Ultimately, the choice between these two tire sizes depends on your specific driving needs and preferences. In conclusion, when selecting a tire size, it’s important to consider factors such as overall diameter, tread width, rim diameter, sidewall height, circumference, and revolutions. By understanding the differences between the 225/70r15 and 235/75r15 tire sizes, you can make an informed decision that best suits your needs.
