Tire Size 265/70r17 vs 265/65r18
Selecting the right tire size is crucial for your safety and performance on the road. We will compare two popular tire sizes, 265/70r17 and 265/65r18, and provide you with the necessary information and comparisons to help you make an informed decision.
265 70r17 vs 265 65r18 Table
By referring to this comparison table, you can gain insight into the distinctions between tire size 275/65R18 and 265/70R18.
| Feature | 265/70R17 | 265/65R18 | Difference |
|---|---|---|---|
| Diameter | 31.61 in | 31.56 in | 0.04 (0.1%) |
| Width | 10.43 in | 10.43 in | Same |
| Circum. | 99.29 in | 99.16 in | 0.14 (0.1%) |
| Sidewall Height | 7.3 in | 6.78 in | 0.52 (7.1%) |
| Revolutions | 638.1 | 638.98 | 0.88 (0.1%) |
Alternative Tire Size For 265/65R18
The overall diameter of replacement tires should not deviate by more than 3% from the overall diameter of the original tires.
| 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% |
Alternative Tire Size of 265/70r17
The overall diameter of replacement tires must fall within 3% of the overall diameter of the original tires.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 235/75R17 | 30.9″ (784 mm) | -2.5% |
| 255/70R17 | 31.1″ (790 mm) | -1.7% |
| 275/65R17 | 31.1″ (790 mm) | -1.7% |
| 305/60R17 | 31.4″ (798 mm) | -0.7% |
| 245/75R17 | 31.5″ (800 mm) | -0.5% |
| 285/65R17 | 31.6″ (802 mm) | -0.2% |
| 235/80R17 | 31.8″ (808 mm) | 0.5% |
| 345/55R17 | 32.0″ (812 mm) | 1.0% |
| 255/75R17 | 32.0″ (814 mm) | 1.2% |
| 275/70R17 | 32.2″ (818 mm) | 1.7% |
| 305/65R17 | 32.6″ (828 mm) | 3.0% |
Overall Diameter
Regarding the overall diameter, the 265 65r18 tire has a smaller diameter of 31.56 inches compared to the 265 70r17 tire, which has a diameter of 31.61 inches. While the difference may seem negligible, it can impact the overall performance of your vehicle.
A smaller tire diameter will give your car a lower profile, which can lead to improved handling and cornering. On the other hand, a larger tire diameter can provide a smoother ride and better off-road capabilities.
Tread Width
The 265 70r17 tire has a tread width of 8.4 inches, while the 265 65r18 tire has a slightly narrower tread width of 8.1 inches. A wider tread can offer better stability and handling, especially on wet or slippery roads. However, a narrower tread width can provide better fuel efficiency and less rolling resistance, resulting in a quieter ride.
Rim Diameter
When it comes to the rim diameter, the 265 70r17 tire is designed to fit a 17-inch rim, while the 265 65r18 tire is designed for an 18-inch rim. Matching the tire’s size with the correct rim diameter is crucial to ensure optimal performance and safety.
A larger rim diameter can offer a sportier look and better braking performance. In comparison, a smaller rim diameter can provide a more comfortable ride.
Sidewall Height
The 265 70r17 tire has a taller sidewall height of 7.1 inches compared to the 265 65r18 tire, which has a sidewall height of 6.6 inches. A taller sidewall can provide better shock absorption and a more comfortable ride. However, it can also lead to more body roll and reduced handling. A shorter sidewall can offer improved handling and cornering but can also result in a stiffer ride.
Circumference
The circumference of the 265 70r17 tire is 99.4 inches, while the 265 65r18 tire has a slightly smaller circumference of 98.9 inches. The circumference of a tire can impact the speedometer’s accuracy and the vehicle’s overall performance.
A larger circumference can offer better fuel efficiency and a smoother ride, while a smaller circumference can provide better acceleration and improved off-road capabilities.
Revolutions
The 265 70r17 tire has more revolutions per mile, with 646 revolutions, compared to the 265 65r18 tire, which has 660 revolutions per mile. The number of revolutions can impact the speedometer’s accuracy and the vehicle’s overall performance.
A higher number of revolutions can offer better fuel efficiency. In contrast, fewer revolutions can provide better off-road capabilities and improved acceleration.
Our Observation
When it comes to selecting the best tire size for your vehicle, it ultimately depends on your personal preferences and driving needs. The 265 70r17 tire can offer better off-road capabilities, a smoother ride, and improved stability, while the 265 65r18 tire can provide better fuel efficiency, improved handling, and a sportier look.
It’s crucial to consider the differences and determine which factors are most important to you. For instance, if you live in an area with harsh weather conditions or like to go off-roading, the 265 70r17 tire may be the best option for you. On the other hand, if you prioritize fuel efficiency and a sportier look, the 265 65r18 tire may be the better choice.
It’s also important to note that tire manufacturers offer different models and variations within each size, so it’s essential to research and compares different brands to find the best tire for your specific vehicle and driving needs.
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.
