Tire Size 275/70r18 vs 265/70r18
Many factors influence whether 275 70r18 or 265 70r18 is best for your vehicle. Here’s what you need to know about tire size, whether 275 70r18 or 265 70r18 tires are right for you, and why being so similar can be a problem. Keep reading to find out.
275/70r18 vs 265/70r18 Table
This comparison table can provide you with a clearer understanding of the distinctions between the tire sizes of 275/70r18 or 265/70r18.
| Feature | 265/70-18 | 275/70-18 | Difference |
|---|---|---|---|
| Diameter inches | 32.61″ | 33.16″ | 0.55 inch |
| Width inches | 10.43″ | 10.83″ | 0.39 inch |
| Circum. inches | 102.44″ | 104.17″ | 1.73 inch |
| Sidewall Height | 7.3″ | 7.58″ | 0.28 inch |
| Revolutions | 618.53 | 608.25 | 10.28 |
Alternative Tire Size for 275/70r18
If you need to find different tire sizes as a substitute for 275/70R18, there are several alternatives to choose from. Utilizing a table chart can help you compare them.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 305/60R18 | 32.4″ (823 mm) | -2.4% |
| 285/65R18 | 32.6″ (827 mm) | -1.9% |
| 265/70R18 | 32.6″ (829 mm) | -1.7% |
| 375/50R18 | 32.8″ (833 mm) | -1.2% |
| 295/65R18 | 33.1″ (841 mm) | -0.2% |
| 325/60R18 | 33.3″ (847 mm) | 0.5% |
| 305/65R18 | 33.6″ (853 mm) | 1.2% |
| 285/70R18 | 33.7″ (857 mm) | 1.7% |
Alternative Tire Size for 265/70r18
There are multiple choices of tire sizes that can replace 265/70r18, and you may utilize a chart to compare and select from the available options.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 235/75R18 | 31.9″ (809 mm) | -2.4% |
| 255/70R18 | 32.1″ (815 mm) | -1.7% |
| 275/65R18 | 32.1″ (815 mm) | -1.7% |
| 305/60R18 | 32.4″ (823 mm) | -0.7% |
| 285/65R18 | 32.6″ (827 mm) | -0.2% |
| 375/50R18 | 32.8″ (833 mm) | 0.5% |
| 295/65R18 | 33.1″ (841 mm) | 1.4% |
| 275/70R18 | 33.2″ (843 mm) | 1.7% |
| 325/60R18 | 33.3″ (847 mm) | 2.2% |
| 305/65R18 | 33.6″ (853 mm) | 2.9% |
Overall Diameter
One of the main things you need to consider when choosing between these two sizes is the overall diameter. This is important because it can affect things like your speedometer readings, your gas mileage, and how well your car handles.
The overall diameter of a 275 70r18 tire is about 33.16 inches. The overall diameter of a 265 70r18 tire is approximately 32.61 inches. That means that the 275 70r18 tire is about 0.55 inches bigger in diameter.
While this might not seem like a big difference, it can actually have a pretty significant effect on your car. For example, if you’re trying to calculate your gas mileage, a more giant tire will throw off your calculations because it’s covering more ground.
Section Width
The section width of a tire is another important thing to consider. This is the width of the tire from sidewall to sidewall. In general, a wider tire will provide you with more stability and traction.
The section width of a 275 70r18 tire is about 10.83 inches. The section width of a 265 70r18 tire is approximately 10.43 inches. So, there is no difference in the section width between these two sizes.
Circumference
The circumference of a tire is the distance around the outside edge of the tire. This is important to consider because it can affect your speedometer readings and your gas mileage. The circumference of a 275 70r18 tire is about 104.17 inches.
The circumference of a 265 70r18 tire is about 102.44 inches. That means that the 275 70r18 tire is about 1.73 inches bigger in circumference.
Revolutions Per Mile
The revolutions per mile (RPM) of a tire is the number of times that the tire goes around in one mile. This is important to consider because it can affect your speedometer readings and your gas mileage.
The RPM of a 275 70r18 tire is about 608. The RPM of a 265 70r18 tire is about 618. That means the 265 70r18 tire has about 10 more RPM than the 275 70r18 tires.
Sidewall Height
The sidewall height of a tire is the distance from the edge of the wheel to the top of the tire. This is important to consider because it can affect the look of your car and how well the tire handles.
The sidewall height of a 275 70r18 tire is about 7.58 inches. The sidewall height of a 265 70r18 tire is about 7.3 inches. That means the 275 70r18 tire is about 0.28 inches taller in sidewall height.
Wheel Size
The wheel size of a tire is the diameter of the wheel that the tire can be fitted onto. This is important to consider because it can affect the look of your car and how well the tire handles.
The wheel size of a 275 70r18 tire is about 18 inches. The wheel size of a 265 70r18 tire is about 18 inches. That means that the wheel size is the same for both of these tires.
Construction Type
The construction type of a tire is the way that the tire is made. This is important to consider because it can affect how well the tire handles and how long it lasts. Radial tires are made with plies that run perpendicular to the direction of travel. This gives them better handling and longer tread life.
The construction type of a 275 70r18 tire is radial. The construction type of a 265 70r18 tire is radial. That means that the construction type is the same for both of these tires.
Conclusion
The 275/70R18 tire offers advantages over the 265/70R18 tire, such as better ground clearance, improved traction, and potentially a smoother ride due to its larger diameter, width, and circumference.
However, these benefits come at the cost of increased fuel consumption, reduced acceleration, and potentially greater wear. On the other hand, the 265/70R18 tire may provide better fuel efficiency and a more responsive driving experience due to its smaller diameter, width, and circumference.
However, it might offer less ground clearance, traction, and ride comfort than the 275/70R18 tire. Choosing between the 275/70R18 and 265/70R18 tire sizes depends on your specific needs, driving conditions, and preferences.
What Does 265 70r18 Tire Mean?
The first number in a tire size refers to the width of the tire in millimeters. The second number is the height, or aspect ratio, of the sidewall as a percentage of the width. The last letter and number refer to the diameter of the wheel that the tire can be fitted onto.
In this case, 265 70r18 refers to tires that are 275mm wide with a sidewall height of 70% of the width. The difference lies in the wheel diameter they can each be fitted onto.
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