Tire Size 255/70r18 vs 265/65r18
Choosing the right tire size for your vehicle is essential to ensure optimal performance, safety, and handling. With so many options available in the market, it can be overwhelming to determine the perfect fit for your vehicle. we are going to compare those two tire size and help you to understand the difference.
255/70r18 vs 265/65r18 Table
This table provides a side-by-side comparison of tire sizes 255/70r18 vs 265/65r18, allowing you to easily discern their differences.
| Feature | 255/70r18 | 265/65r18 | Difference |
|---|---|---|---|
| Diameter | 32.06″ | 31.56″ | 0.49 (1.5%) |
| Width | 10.04″ | 10.43″ | 0.39 (3.9%) |
| Circum. | 100.7″ | 99.16″ | 1.55 (1.5%) |
| Sidewall Height | 7.03″ | 6.78″ | 0.25 (3.5%) |
| Revolutions | 629.17 | 638.98 | 9.81 (1.6%) |
Alternative Tire Size of 255/70r18
Replacement tires must adhere to a 3% deviation limit in overall diameter from the original tire.
| 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% |
| 275/65R18 | 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% |
Tire Size Alternative 265/65R18
3% margin is mandated for replacement tires to match the original tire’s overall diameter.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 235/70R18 | 31″ (787 mm) | -1.7% |
| 275/60R18 | 31″ (787 mm) | -1.7% |
| 255/65R18 | 31.1″ (789 mm) | -1.5% |
| 225/75R18 | 31.3″ (795 mm) | -0.7% |
| 285/60R18 | 31.5″ (799 mm) | -0.2% |
| 245/70R18 | 31.5″ (801 mm) | 0% |
| 235/75R18 | 31.9″ (809 mm) | 1% |
| 275/65R18 | 32.1″ (815 mm) | 1.7% |
| 255/70R18 | 32.1″ (815 mm) | 1.7% |
| 305/60R18 | 32.4″ (823 mm) | 2.7% |
Overall Diameter
One of the most significant factors to consider when selecting the correct tire size is the overall diameter. The 255/70R18 tire has an overall diameter of 32.06 inches, while the 265/65R18 tire has an overall diameter of 31.56 inches.
This means the 255/70R18 tire is slightly larger than the 265/65R18 tire. However, the difference in diameter is minimal and may not significantly affect your vehicle’s performance.
Tread Width
Another important factor to consider is the tread width, which is the width of the tire that comes into contact with the road. The 265/65R18 tire has a wider tread width of 10.43 inches, while the 255/70R18 tire has a tread width of 10.04 inches. This means the 265/65R18 tire may provide better traction and stability on the road, especially during wet or snowy conditions.
Rim Diameter
The rim diameter is another critical factor when selecting the right tire size. The 255/70R18 and 265/65R18 tires both have a rim diameter of 18 inches, which means that they are compatible with the same rims. This allows you to choose the tire that best fits your driving needs without changing your vehicle’s rims.
Sidewall Height
The sidewall height is the distance between the rim and the outer edge of the tire. The 255/70R18 tire has a taller sidewall height of 7.03 inches, while the 265/65R18 tire has a sidewall height of 6.78 inches. The 255/70R18 tire may provide a smoother ride and better protection against potholes and road debris.
Circumference
The tire’s circumference is the distance traveled by the tire in one complete rotation. At the same time, the revolutions per mile refer to the number of times the tire rotates to cover a mile.
The 255/70R18 tire has a circumference of 100.7 inches and makes 629 revolutions per mile, while the 265/65R18 tire has a circumference of 99.16 inches and makes 638 revolutions per mile. This means the 265/65R18 tire may provide better fuel efficiency due to its slightly lower revolutions per mile.
Our Observation
After analyzing the differences between these two tire sizes, the 265/65R18 tire may perform better in wet or snowy conditions due to its wider tread width. However, due to its taller sidewall height, the 255/70R18 tire may provide a smoother ride and better protection against road debris.
The 265/65R18 tire may provide better traction and stability, while the 255/70R18 tire may provide a smoother ride and better protection against road hazards. Ultimately, the best tire size for your vehicle depends on your driving needs, preferences, and the conditions in which you typically drive.
If you frequently drive on wet or snowy roads, you may prefer the wider tread width of the 265/65R18 tire. It’s essential to consult your vehicle’s owner manual and talk to a tire specialist before selecting the perfect tire size for your vehicle. With the right tire size, you can enjoy a comfortable and safe driving experience while maximizing your vehicle’s performance.
Meet Caitlin McCormack, a Tire Size Expert and Blogger Passionate About Everything Related to Tires. With Years of Experience in the Tire Industry, Caitlin Has Become an Expert in Tire Sizes and Their Impact on Vehicle Performance.
