275/25R21 Tires
Understanding 275/25R21 tire size is crucial for making informed decisions when purchasing new tires, whether it is for replacement or upgrade, as it plays an important role in your vehicle's performance and safety. Let's explore 275/25R21 tire specs and dimensions, what vehicles come equipped with 275/25R21 tires, what are its replacement options, and where to buy 275/25R21 tires at lowest prices online.
- What does 275/25R21 mean?
- 275/25R21 tire size dimensions
- Popular 275/25R21 tire models
- What is 275/25R21 converted to inches?
- Where to buy 275/25R21 tires?
- What vehicles use 275/25R21 tire size?
- What are replacement sizes for 275/25R21?
- What wheels can 275/25R21 tire be mounted on?
- 275/25R21 tire size comparison chart
How to read 275/25R21 tire size?
275/25R21 is a Metric tire size that is commonly used on passenger and crossover vehicles.
Let us decode each aspect of 275/25R21 tire size dimensions for better understanding:
- 275 indicates tire's section width, which includes the entire width of the tire from one sidewall to the other. The tread width is typically a bit narrower than the section width. Section width of 275/25R21 tire is 275 millimeters.
- 25 represents the aspect ratio of a tire. It is the ratio of the tire's sidewall height to its width. For 275/25R21 tire, the sidewall height is 25% of its tread width.
- R denotes that tire has radial construction.
- 21 indicates the wheel diameter in inches that the tire is designed to fit. 275/25R21 can be mounted on rims with 21 inches in diameter.
You can learn more about tire size markings on tire sidewall with our comprehensive guide on how to read tire size.
275/25R21 Tire Dimensions
Compare and visualize 275/25R21 tire dimensions in both inches and millimeters. Tire size calculator will help you calculate the dimensions of any tire size.
| Metric | Inches | |
|---|---|---|
| Tire Width | 275 mm | 10.8" |
| Aspect Ratio | 25% | |
| Rim Diameter | 533 mm | 21" |
| Tire Diameter | 671 mm | 26.4" |
| Sidewall Height | 69 mm | 2.7" |
| Circumference | 2107 mm | 82.9" |
| Revolutions | 475 per km | 764 per mile |
275/25R21 Tire Width
How wide is 275/25R21 tire? Tire width is the measurement of the tire's cross-section at its widest point. 275/25R21 tire is 275 millimeters or 10.8 inches wide.
Tires that are 275 millimeters wide come equipped on a variety of crossovers, passenger cars, pickup trucks and sport utility vehicles.
Tires with width of 275 millimeters are considered fairly wide. This width offers enhanced traction and stability, which is crucial for handling heavier vehicles or providing better performance and driving dynamics.
Tire width plays a pivotal role in determining a vehicle's handling, safety, and efficiency. It is crucial to consider the compatibility of tire width with the vehicle's design and the manufacturer's specifications to maintain optimal functionality and ensure safety.
275/25R21 Aspect Ratio
Tire aspect ratio represents the height of the tire's sidewall as a percentage of its width. 275/25R21 tire size has an aspect ratio of 25%.
Tires with an aspect ratio of 25 fall into a category often referred to as ultra-low profile tires. These are characterized by very short sidewalls and are typically used on modern supercars and high-end sports models.
The primary advantage of an ultra-low aspect ratio is improved handling and responsiveness. The shorter sidewall makes the tire stiffer, which reduces sidewall flexing during cornering. This stiffness allows for more precise steering response and improved stability at high speeds, which is crucial for performance-oriented driving.
It's important to note that while ultra-low profile tires offer certain performance benefits, they also come with trade-offs. The ride quality tends to be much firmer, which can be less comfortable on rough roads. Additionally, the reduced sidewall height offers less protection for the wheel, making them more susceptible to damage from potholes or curbs. Due to these characteristics, such tires are best suited for smooth surfaces and performance driving conditions. Vehicle owners considering tires with such low aspect ratios should weigh these factors carefully and ensure that their choice aligns with their driving needs and conditions.
275/25R21 Rim Diameter
Rim diameter refers to the diameter of the wheel on which the tire is mounted, commonly measured in inches. 275/25R21 rim size is 21 inches, meaning that tire can be mounted on 21-inch wheels. Rim diameter directly correlates with the overall diameter of the tire and affects various aspects of vehicle performance and aesthetics.
Tires with rim diameter of 21 inches are equipped on a select crossover, passenger car, pickup truck and sport utility vehicle models.
21-inch rims are often used on high-end SUVs, light trucks, or high-performance sports cars. 21-inch rims are usually chosen for aesthetic reasons, or to accommodate larger, more robust tires needed for off-road or heavy-load conditions.
When selecting a rim diameter, it's crucial to consider the vehicle's design specifications, as altering the rim size can affect the speedometer and odometer calibration, vehicle handling, suspension geometry, and brake clearance.
275/25R21 Tire Diameter
How tall is 275/25R21 tire? Tire diameter represens the total height of a tire, including the rim, when it is fully inflated and not under load. 275/25R21 diameter is 671 millimeters or 26.4 inches.
Tire height affects the clearance between the tire and the vehicle's body or chassis, influences the vehicle's ground clearance, and can impact the accuracy of the vehicle's speedometer and odometer.
For standard passenger cars, tire diameters typically range from about 24 to 30 inches. This includes sedans, hatchbacks, small SUVs, and minivans. Light trucks and larger SUVs might have tires on the higher end of this range or slightly above, often between 29 to 33 inches. Sports cars and high-performance vehicles may have similar diameter ranges as standard passenger cars, but they often feature wider tires with a lower aspect ratio, which can slightly affect the overall diameter. The range for these vehicles is typically between 24 to 30 inches, focusing more on width and profile for performance. Off-road vehicles, including larger SUVs, trucks, and specialized vehicles, often have larger tire diameters to handle rough terrain better. The diameters for these vehicles can range from about 31 to 40 inches or more, depending on the level of off-road capability and customization.
275/25R21 Sidewall Height
Tire sidewall height, determined by the aspect ratio of a tire, represents the height of the tire's sidewall, measured from the edge of the rim to the top of the tread. 275/25R21 tire sidewall is 69 millimeters or 2.7 inches tall.
Sidewall height affects the tire's ability to dissipate heat and impacts its load-bearing capacity. It also plays a role in aesthetic appeal for many drivers, influencing the overall look of the vehicle.
Tires with a sidewall height of 2.7" are considered low profile. Lower sidewall height, commonly seen in performance tires, generally enhances handling and steering response by reducing flex and deformation under stress. This results in a firmer ride quality and increased stability at higher speeds, making them suitable for sports and performance vehicles.
275/25R21 Circumference
Tire circumference is the total distance around the outer edge of the tire. 275/25R21 tire has a circumference of 2107 millimeters or 82.9 inches.
Tires with a circumference of 82.9 inches are common on mid-size cars, minivans and SUVs. These tires strike a balance between fuel efficiency and comfort, offering a smoother ride than smaller tires while maintaining reasonable handling and efficiency.
Tire circumference directly influences the speedometer and odometer readings of a vehicle. Mismatched tire circumferences, especially on the same axle, can lead to uneven wear, handling issues, and even mechanical damage, particularly in all-wheel or four-wheel-drive vehicles.
275/25R21 Revolutions
Tire revolutions metric reflects the number of times a tire rotates over a fixed distance. This figure is inherently tied to the tire's circumference - the larger the circumference, the fewer the revolutions needed to cover a mile, and vice versa. 275/25R21 tire makes 475 revolutions per kilometer or 764 revolutions per mile.
Number of the revolutions a tire makes affects greatly vehicle's performance, from speed and distance measurement accuracy to handling, fuel efficiency, and wear and tear.
Popular 275/25R21 tire models
Listed below are most affordable tire models available in 275/25R21 tire size.
- Michelin Pilot Sport 4S 275/25R21 from $502.99
Shop more 275/25R21 tires with tire finder.
What is 275/25R21 in inches?
When converted to inches, 275/25R21 tire size is equivalent to 26.4x10.8R21. 26.4 inches indicate the tire diameter, 10.8 inches represent tread width, and 21 inches is the diameter of a rim the tire can be mounted on.
Conversion of 275/25R21 to inches involves a series of steps that translate the metric measurements of tire width, aspect ratio, and rim diameter into their inch equivalents. This conversion is crucial for understanding tire sizes in a format that may be more intuitive or necessary for specific applications, allowing for better informed decisions regarding tire selection and compatibility.
First, the width of the tire (275 mm) is converted to inches by dividing by 25.4 (since there are 25.4 millimeters in an inch). Secondly, to determine the sidewall height in inches, calculate the height of the tire's sidewall as a percentage of its width (the aspect ratio), then convert this measurement from millimeters to inches. In the case of a 275/25R21 tire, the sidewall height is 25% of 275 mm, which converts to approximately 2.7 inches. Lastly, to ascertain the overall diameter of the tire, sum twice the sidewall height with the diameter of the rim (already in inches). Therefore, for a 275/25R21 tire, the overall diameter is the sum of twice the sidewall height (2.7 x 2) plus the rim diameter (21 inches), culminating in an overall diameter of about 26.4 inches.
275/25R21 Vehicle Fitment
No vehicles that are equipped with 275/25R21 OEM tire size have been found in our database.
What are replacement sizes for 275/25R21 tire?
No compatible replacement tire sizes found.
What wheels can 275/25R21 tire be mounted on?
275/25R21 tires are generally approved to be mounted on 10" to 10" wide wheels. The following wheel sizes can be used:
- 21x10
It is important to note that while a tire might physically fit on a wheel outside of the recommended widths, doing so can affect the tire's performance, handling, and wear. Always refer to your vehicle's manufacturer guidelines and the tire manufacturer's specifications for the best results.
275/25R21 Tire Size Comparison Chart
Below is a comparison chart where we compare 275/25R21 tire size with other popular sizes. Green indicates that new tire diameter is within the acceptable 3% of the original, while red warns that tire will adversely affect the vehicle's speedometer reading, handling characteristics, or clearance in the wheel well. We recommend to use the tire size comparison tool to ensure proper compatibility when switching to a new tire size.
| Tire Size Comparison | Tire Diameter Difference |
|---|---|
| 275/25R21 vs 305/35R21 | 11.3% |
| 275/25R21 vs 285/30R21 | 5.1% |
| 275/25R21 vs 275/50R21 | 20.6% |
| 275/25R21 vs 295/30R21 | 6% |
| 275/25R21 vs 285/35R21 | 9.2% |
| 275/25R21 vs 285/40R21 | 13.4% |
| 275/25R21 vs 355/25R21 | 6% |
| 275/25R21 vs 285/45R21 | 17.6% |
| 275/25R21 vs 295/35R21 | 10.1% |
| 275/25R21 vs 325/30R21 | 8.6% |
| 275/25R21 vs 295/40R21 | 14.6% |
| 275/25R21 vs 315/40R21 | 17% |
| 275/25R21 vs 255/30R21 | 2.4% |
| 275/25R21 vs 315/35R21 | 12.2% |
| 275/25R21 vs 315/30R21 | 7.7% |
| 275/25R21 vs 305/30R21 | 6.9% |
| 275/25R21 vs 275/45R21 | 16.4% |
| 275/25R21 vs 275/40R21 | 12.2% |
| 275/25R21 vs 245/35R21 | 5.1% |
| 275/25R21 vs 255/50R21 | 17.6% |
| 275/25R21 vs 255/40R21 | 9.8% |
| 275/25R21 vs 265/35R21 | 7.2% |
| 275/25R21 vs 265/40R21 | 11% |
| 275/25R21 vs 275/30R21 | 4.2% |
| 275/25R21 vs 255/35R21 | 6% |
| 275/25R21 vs 265/45R21 | 14.9% |
| 275/25R21 vs 245/45R21 | 12.2% |
| 275/25R21 vs 275/35R21 | 8% |
| 275/25R21 vs 245/40R21 | 8.6% |
| 275/25R21 vs 315/30R22 | 11.6% |
| 275/25R21 vs LT325/50R22 | 31.7% |
| 275/25R21 vs 315/35R22 | 16.1% |
| 275/25R21 vs LT285/55R22 | 30% |
| 275/25R21 vs 325/35R22 | 17.3% |
| 275/25R21 vs LT285/50R22 | 25.8% |
| 275/25R21 vs 235/30R22 | 4.5% |
| 275/25R21 vs 305/45R22 | 24.1% |
| 275/25R21 vs 245/30R22 | 5.4% |
| 275/25R21 vs 295/25R22 | 5.4% |
| 275/25R21 vs 265/30R22 | 7.2% |
| 275/25R21 vs 255/30R22 | 6.3% |
| 275/25R21 vs 295/35R22 | 14% |
| 275/25R21 vs 255/40R22 | 13.7% |
| 275/25R21 vs 265/35R22 | 11% |
| 275/25R21 vs 265/40R22 | 14.9% |
| 275/25R21 vs 255/45R22 | 17.6% |
| 275/25R21 vs 275/35R22 | 11.9% |
| 275/25R21 vs 275/40R22 | 16.1% |
| 275/25R21 vs 275/45R22 | 20.3% |
| 275/25R21 vs 285/30R22 | 8.9% |
| 275/25R21 vs 285/35R22 | 13.1% |
| 275/25R21 vs 285/40R22 | 17.3% |
| 275/25R21 vs 285/45R22 | 21.5% |
| 275/25R21 vs 295/40R22 | 18.5% |
| 275/25R21 vs 305/40R22 | 19.7% |
| 275/25R21 vs 275/50R22 | 24.4% |
| 275/25R21 vs 295/30R22 | 9.8% |
| 275/25R21 vs 255/35R22 | 9.8% |
| 275/25R21 vs 295/35R23 | 17.7% |
All listed guides, data and/or calculations are for informational purposes only. TireSizes.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.