215/55R18 Tires
Understanding 215/55R18 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 215/55R18 tire specs and dimensions, what vehicles come equipped with 215/55R18 tires, what are its replacement options, and where to buy 215/55R18 tires at lowest prices online.
- What does 215/55R18 mean?
- 215/55R18 tire size dimensions
- Popular 215/55R18 tire models
- What is 215/55R18 converted to inches?
- Where to buy 215/55R18 tires?
- What vehicles use 215/55R18 tire size?
- What are replacement sizes for 215/55R18?
- What wheels can 215/55R18 tire be mounted on?
- 215/55R18 tire size comparison chart
How to read 215/55R18 tire size?
215/55R18 is a Metric tire size that is commonly used on passenger and crossover vehicles. It also comes in a P-Metric (P215/55R18) variant.
Let us decode each aspect of 215/55R18 tire size dimensions for better understanding:
- 215 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 215/55R18 tire is 215 millimeters.
- 55 represents the aspect ratio of a tire. It is the ratio of the tire's sidewall height to its width. For 215/55R18 tire, the sidewall height is 55% of its tread width.
- R denotes that tire has radial construction.
- 18 indicates the wheel diameter in inches that the tire is designed to fit. 215/55R18 can be mounted on rims with 18 inches in diameter.
You can learn more about tire size markings on tire sidewall with our comprehensive guide on how to read tire size.
215/55R18 Tire Dimensions
Compare and visualize 215/55R18 tire dimensions in both inches and millimeters. Tire size calculator will help you calculate the dimensions of any tire size.
| Metric | Inches | |
|---|---|---|
| Tire Width | 215 mm | 8.5" |
| Aspect Ratio | 55% | |
| Rim Diameter | 457 mm | 18" |
| Tire Diameter | 693 mm | 27.3" |
| Sidewall Height | 118 mm | 4.6" |
| Circumference | 2176 mm | 85.7" |
| Revolutions | 460 per km | 739 per mile |
215/55R18 Tire Width
How wide is 215/55R18 tire? Tire width is the measurement of the tire's cross-section at its widest point. 215/55R18 tire is 215 millimeters or 8.5 inches wide.
Tires that are 215 millimeters wide come equipped on a variety of crossovers, minivans, passenger cars, pickup trucks, sport utility vehicles and vans.
215 millimeters represents standard tire width. Standard width tires are very versatile, covering the needs of everyday drivers. They offer a balance of traction, fuel or energy efficiency, and handling.
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.
215/55R18 Aspect Ratio
Tire aspect ratio represents the height of the tire's sidewall as a percentage of its width. 215/55R18 tire size has an aspect ratio of 55%.
Tires with an aspect ratio of 55 represent a category that balances performance with comfort, making them suitable for a wide range of vehicles. This tire width is particularly common in modern passenger cars, including sedans, coupes, crossovers and SUVs.
Tires with this aspect ratio offer a good compromise between the agile handling of lower profiles and the increased comfort of higher profiles. They are designed to meet the needs of drivers who want a blend of comfort, handling, and aesthetic appeal.
215/55R18 Rim Diameter
Rim diameter refers to the diameter of the wheel on which the tire is mounted, commonly measured in inches. 215/55R18 rim size is 18 inches, meaning that tire can be mounted on 18-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 18 inches are equipped on a select crossover, minivan, passenger car, pickup truck and sport utility vehicle models.
18-inch rims are typical for performance-oriented vehicles, including sports cars and high-end sedans. 18-inch rims allow for the fitting of larger brakes, which are crucial for high-performance vehicles, and can also enhance the vehicle's handling characteristics and appearance.
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.
215/55R18 Tire Diameter
How tall is 215/55R18 tire? Tire diameter represens the total height of a tire, including the rim, when it is fully inflated and not under load. 215/55R18 diameter is 693 millimeters or 27.3 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.
215/55R18 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. 215/55R18 tire sidewall is 118 millimeters or 4.6 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 4.6" offer a balance between performance and comfort, and are common on popular sedans, minivans, light trucks and SUVs.
215/55R18 Circumference
Tire circumference is the total distance around the outer edge of the tire. 215/55R18 tire has a circumference of 2176 millimeters or 85.7 inches.
Tires with a circumference of 85.7 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.
215/55R18 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. 215/55R18 tire makes 460 revolutions per kilometer or 739 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 215/55R18 tire models
Listed below are most affordable tire models available in 215/55R18 tire size.
- Westlake SA-07 215/55R18 from $89.65
- Achilles Touring Sport A/S 215/55R18 from $99.99
- Accelera Iota ST68 215/55R18 from $104.99
- Goodyear Assurance Finesse 215/55R18 from $107.91
- Bridgestone Turanza EL440 215/55R18 from $114.74
- GT Radial Savero SUV 215/55R18 from $116.66
- Milestar MS932 Sport 215/55R18 from $116.95
- Laufenn S Fit AS 215/55R18 from $129.98
- Nexen Winguard Sport 2 215/55R18 from $131.97
- Maxxis Bravo HP-M3 215/55R18 from $131.97
Shop more 215/55R18 tires with tire finder.
What is 215/55R18 in inches?
When converted to inches, 215/55R18 tire size is equivalent to 27.3x8.5R18. 27.3 inches indicate the tire diameter, 8.5 inches represent tread width, and 18 inches is the diameter of a rim the tire can be mounted on.
Conversion of 215/55R18 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 (215 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 215/55R18 tire, the sidewall height is 55% of 215 mm, which converts to approximately 4.6 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 215/55R18 tire, the overall diameter is the sum of twice the sidewall height (4.6 x 2) plus the rim diameter (18 inches), culminating in an overall diameter of about 27.3 inches.
215/55R18 Vehicle Fitment
There are 4 vehicle models that use 215/55R18 as an original equipment tire size. It's important to consult your vehicle's owner manual or a tire fitment guide specific to your car model to ensure this tire size is compatible with your vehicle. Vehicle manufacturers recommend specific tire sizes to ensure optimal performance and safety.
Select your vehicle model for its OEM tire size configuration.
What are replacement sizes for 215/55R18 tire?
215/55R18 alternative has to be within 3% of the original tire's overall diameter to ensure safe drive and proper speedometer readings. Below is a list of 215/55R18 equivalent and plus sizes that are within the optimal characteristics and dimensions of the orignal tire size.
Keep in mind that different vehicles have different tire requirements. Passenger cars, SUVs, trucks, and high-performance vehicles each have specific types of tires that are engineered for their particular needs. When replacing tires on your vehicle, always refer to your vehicle's owner's manual for manufacturer recommendations on tire size, type, and other specifications.
| Replacement Tire Size | Tire Diameter Difference |
|---|---|
| P225/55R18 | 1.7% |
| P225/50R18 | -1.4% |
| P215/55R18 | 0% |
| P215/50R18 | -2.9% |
| 225/55R18 | 1.7% |
| 225/50R18 | -1.4% |
| 215/50R18 | -2.9% |
| 225/45R19 | -1.2% |
| P225/45R19 | -1.2% |
| 225/40R20 | -0.7% |
| 215/45R20 | 1.3% |
What wheels can 215/55R18 tire be mounted on?
215/55R18 tires are generally approved to be mounted on 6" to 7.5" wide wheels. The following wheel sizes can be used:
- 18x6
- 18x6.5
- 18x7
- 18x7.5
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.
215/55R18 Tire Size Comparison Chart
Below is a comparison chart where we compare 215/55R18 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 |
|---|---|
| 215/55R18 vs 245/50R18 | 1.4% |
| 215/55R18 vs P255/70R18 | 17.6% |
| 215/55R18 vs P255/65R18 | 13.9% |
| 215/55R18 vs 255/45R18 | -0.9% |
| 215/55R18 vs P245/60R18 | 8.4% |
| 215/55R18 vs 255/55R18 | 6.3% |
| 215/55R18 vs P245/45R18 | -2.3% |
| 215/55R18 vs P245/40R18 | -5.8% |
| 215/55R18 vs 255/60R18 | 10.1% |
| 215/55R18 vs 255/40R18 | -4.6% |
| 215/55R18 vs P265/60R18 | 11.8% |
| 215/55R18 vs P265/65R18 | 15.6% |
| 215/55R18 vs 265/40R18 | -3.5% |
| 215/55R18 vs 265/35R18 | -7.2% |
| 215/55R18 vs 245/55R18 | 4.9% |
| 215/55R18 vs 265/65R18 | 15.6% |
| 215/55R18 vs 245/60R18 | 8.4% |
| 215/55R18 vs P275/35R18 | -6.3% |
| 215/55R18 vs P265/70R18 | 19.6% |
| 215/55R18 vs 255/35R18 | -8.4% |
| 215/55R18 vs P235/65R18 | 10.1% |
| 215/55R18 vs P235/60R18 | 6.6% |
| 215/55R18 vs 255/65R18 | 13.9% |
| 215/55R18 vs 265/60R18 | 11.8% |
| 215/55R18 vs LT275/65R18 | 17.6% |
| 215/55R18 vs 265/70R18 | 19.6% |
| 215/55R18 vs LT265/70R18 | 19.5% |
| 215/55R18 vs 275/35R18 | -6.3% |
| 215/55R18 vs 295/30R18 | -8.4% |
| 215/55R18 vs 275/40R18 | -2.3% |
| 215/55R18 vs 285/60R18 | 15.3% |
| 215/55R18 vs LT275/70R18 | 21.5% |
| 215/55R18 vs LT305/70R18 | 27.6% |
| 215/55R18 vs LT325/65R18 | 27% |
| 215/55R18 vs 255/70R18 | 17.6% |
| 215/55R18 vs P235/50R18 | 0% |
| 215/55R18 vs P225/60R18 | 4.9% |
| 215/55R18 vs LT285/75R18 | 27.7% |
| 215/55R18 vs P225/55R18 | 1.7% |
| 215/55R18 vs P225/45R18 | -4.9% |
| 215/55R18 vs P225/40R18 | -8.1% |
| 215/55R18 vs P215/55R18 | 0% |
| 215/55R18 vs 275/65R18 | 17.6% |
| 215/55R18 vs 205/40R18 | -10.4% |
| 215/55R18 vs 225/50R18 | -1.4% |
| 215/55R18 vs 225/55R18 | 1.7% |
| 215/55R18 vs 225/60R18 | 4.9% |
| 215/55R18 vs LT285/60R18 | 15.3% |
| 215/55R18 vs LT265/65R18 | 15.7% |
| 215/55R18 vs 235/40R18 | -6.9% |
| 215/55R18 vs LT265/60R18 | 11.8% |
| 215/55R18 vs 275/60R18 | 13.6% |
| 215/55R18 vs 235/45R18 | -3.5% |
| 215/55R18 vs LT285/70R18 | 23.5% |
| 215/55R18 vs 225/45R18 | -4.9% |
| 215/55R18 vs 215/40R18 | -9.2% |
| 215/55R18 vs 215/45R18 | -6.1% |
| 215/55R18 vs LT325/60R18 | 22.2% |
| 215/55R18 vs 215/50R18 | -2.9% |
| 215/55R18 vs 225/35R18 | -11.3% |
| 215/55R18 vs LT305/65R18 | 23.2% |
| 215/55R18 vs LT305/60R18 | 18.8% |
| 215/55R18 vs 225/40R18 | -8.1% |
| 215/55R18 vs LT295/70R18 | 25.5% |
| 215/55R18 vs 215/35R18 | -12.4% |
| 215/55R18 vs P275/65R18 | 17.6% |
| 215/55R18 vs 295/35R18 | -4.3% |
| 215/55R18 vs 235/60R18 | 6.6% |
| 215/55R18 vs 285/35R18 | -5.2% |
| 215/55R18 vs 245/35R18 | -9.2% |
| 215/55R18 vs 245/45R18 | -2.3% |
| 215/55R18 vs 235/55R18 | 3.2% |
| 215/55R18 vs 285/30R18 | -9.2% |
| 215/55R18 vs 245/40R18 | -5.8% |
| 215/55R18 vs 265/45R18 | 0.3% |
| 215/55R18 vs 315/30R18 | -6.6% |
| 215/55R18 vs LT285/65R18 | 19.5% |
| 215/55R18 vs 235/50R18 | 0% |
| 215/55R18 vs 235/65R18 | 10.1% |
| 215/55R18 vs 305/30R19 | -3.8% |
| 215/55R18 vs 295/35R19 | -0.6% |
| 215/55R18 vs 285/30R19 | -5.5% |
| 215/55R18 vs 285/35R19 | -1.4% |
| 215/55R18 vs 325/30R19 | -2% |
| 215/55R18 vs 285/40R19 | 2.6% |
| 215/55R18 vs P245/45R19 | 1.4% |
| 215/55R18 vs P235/55R19 | 6.9% |
| 215/55R18 vs P245/55R19 | 8.7% |
| 215/55R18 vs P255/60R19 | 13.9% |
| 215/55R18 vs 305/35R19 | 0.6% |
| 215/55R18 vs 315/30R19 | -2.9% |
| 215/55R18 vs 295/40R19 | 3.8% |
| 215/55R18 vs 295/30R19 | -4.6% |
| 215/55R18 vs 285/45R19 | 6.6% |
| 215/55R18 vs 275/55R19 | 13.3% |
| 215/55R18 vs 275/50R19 | 9.5% |
| 215/55R18 vs 245/45R19 | 1.4% |
| 215/55R18 vs 255/60R19 | 13.9% |
| 215/55R18 vs 265/30R19 | -7.2% |
| 215/55R18 vs 235/35R19 | -6.6% |
| 215/55R18 vs 265/35R19 | -3.5% |
| 215/55R18 vs 265/40R19 | 0.3% |
| 215/55R18 vs 235/45R19 | 0.3% |
| 215/55R18 vs 265/45R19 | 4% |
| 215/55R18 vs 265/50R19 | 8.1% |
| 215/55R18 vs 245/35R19 | -5.5% |
| 215/55R18 vs 255/55R19 | 10.1% |
| 215/55R18 vs 235/50R19 | 3.8% |
| 215/55R18 vs 245/50R19 | 5.2% |
| 215/55R18 vs 245/55R19 | 8.7% |
| 215/55R18 vs 255/30R19 | -8.1% |
| 215/55R18 vs 255/35R19 | -4.6% |
| 215/55R18 vs 255/40R19 | -0.9% |
| 215/55R18 vs 235/55R19 | 6.9% |
| 215/55R18 vs 255/45R19 | 2.9% |
| 215/55R18 vs 255/50R19 | 6.6% |
| 215/55R18 vs 265/55R19 | 11.8% |
| 215/55R18 vs 235/40R19 | -3.2% |
| 215/55R18 vs 275/35R19 | -2.6% |
| 215/55R18 vs 275/45R19 | 5.5% |
| 215/55R18 vs 275/40R19 | 1.4% |
| 215/55R18 vs 225/35R19 | -7.5% |
| 215/55R18 vs 225/45R19 | -1.2% |
| 215/55R18 vs 225/40R19 | -4.3% |
| 215/55R18 vs 225/55R19 | 5.5% |
| 215/55R18 vs 245/40R19 | -2% |
| 215/55R18 vs 275/30R19 | -6.3% |
| 215/55R18 vs LT305/55R20 | 21.8% |
| 215/55R18 vs 235/55R20 | 10.5% |
| 215/55R18 vs 305/50R20 | 17.5% |
| 215/55R18 vs 295/35R20 | 3% |
| 215/55R18 vs 225/35R20 | -3.9% |
| 215/55R18 vs 235/60R20 | 14% |
| 215/55R18 vs LT295/65R20 | 28.7% |
| 215/55R18 vs 245/30R20 | -5.3% |
| 215/55R18 vs 215/45R20 | 1.3% |
| 215/55R18 vs 255/55R20 | 13.7% |
| 215/55R18 vs 245/35R20 | -1.9% |
| 215/55R18 vs 305/40R20 | 8.5% |
| 215/55R18 vs 235/50R20 | 7.4% |
| 215/55R18 vs 295/25R20 | -5.3% |
| 215/55R18 vs 235/40R20 | 0.4% |
| 215/55R18 vs 245/60R20 | 15.7% |
| 215/55R18 vs 235/35R20 | -3% |
| 215/55R18 vs 235/30R20 | -6.2% |
| 215/55R18 vs LT275/55R20 | 17% |
| 215/55R18 vs LT275/60R20 | 20.9% |
| 215/55R18 vs LT285/55R20 | 18.6% |
| 215/55R18 vs 235/45R20 | 3.9% |
| 215/55R18 vs LT325/60R20 | 29.6% |
| 215/55R18 vs 315/35R20 | 5.1% |
| 215/55R18 vs LT285/65R20 | 26.8% |
| 215/55R18 vs 315/30R20 | 0.7% |
| 215/55R18 vs LT295/55R20 | 20.2% |
| 215/55R18 vs LT295/60R20 | 24.4% |
| 215/55R18 vs 295/30R20 | -1% |
| 215/55R18 vs 245/40R20 | 1.6% |
| 215/55R18 vs 265/60R20 | 19.2% |
| 215/55R18 vs LT265/60R20 | 19.2% |
| 215/55R18 vs 305/35R20 | 4.2% |
| 215/55R18 vs 305/30R20 | -0.1% |
| 215/55R18 vs 275/30R20 | -2.7% |
| 215/55R18 vs 295/45R20 | 11.7% |
| 215/55R18 vs 295/40R20 | 7.4% |
| 215/55R18 vs 275/35R20 | 1% |
| 215/55R18 vs 285/50R20 | 14.6% |
| 215/55R18 vs 285/45R20 | 10.2% |
| 215/55R18 vs 285/40R20 | 6.2% |
| 215/55R18 vs 285/35R20 | 2.2% |
| 215/55R18 vs 275/40R20 | 5.1% |
| 215/55R18 vs 285/30R20 | -1.9% |
| 215/55R18 vs 275/60R20 | 20.9% |
| 215/55R18 vs 275/55R20 | 16.9% |
| 215/55R18 vs 275/45R20 | 9.1% |
| 215/55R18 vs LT275/65R20 | 25% |
| 215/55R18 vs LT285/60R20 | 22.7% |
| 215/55R18 vs 245/45R20 | 5.1% |
| 215/55R18 vs 245/50R20 | 8.8% |
| 215/55R18 vs P275/60R20 | 20.9% |
| 215/55R18 vs P275/55R20 | 16.9% |
| 215/55R18 vs 255/30R20 | -4.5% |
| 215/55R18 vs 255/35R20 | -1% |
| 215/55R18 vs 255/40R20 | 2.7% |
| 215/55R18 vs P255/50R20 | 10.2% |
| 215/55R18 vs 255/45R20 | 6.5% |
| 215/55R18 vs P245/50R20 | 8.8% |
| 215/55R18 vs 255/50R20 | 10.2% |
| 215/55R18 vs 255/60R20 | 17.5% |
| 215/55R18 vs 265/30R20 | -3.6% |
| 215/55R18 vs 265/40R20 | 3.9% |
| 215/55R18 vs 265/45R20 | 7.6% |
| 215/55R18 vs 265/50R20 | 11.7% |
| 215/55R18 vs 265/35R20 | 0.1% |
| 215/55R18 vs 275/50R20 | 13.1% |
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.