255/45R17 Tires

Understanding 255/45R17 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 255/45R17 tire specs and dimensions, what vehicles come equipped with 255/45R17 tires, what are its replacement options, and where to buy 255/45R17 tires at lowest prices online.

Buy 255/45R17 Tires from $103.86

How to read 255/45R17 tire size?

255/45R17 is a Metric tire size that is commonly used on passenger and crossover vehicles. It also comes in a P-Metric (P255/45R17) variant.

Let us decode each aspect of 255/45R17 tire size dimensions for better understanding:

  • 255 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 255/45R17 tire is 255 millimeters.
  • 45 represents the aspect ratio of a tire. It is the ratio of the tire's sidewall height to its width. For 255/45R17 tire, the sidewall height is 45% of its tread width.
  • R denotes that tire has radial construction.
  • 17 indicates the wheel diameter in inches that the tire is designed to fit. 255/45R17 can be mounted on rims with 17 inches in diameter.

You can learn more about tire size markings on tire sidewall with our comprehensive guide on how to read tire size.

255/45R17 Tire Dimensions

Compare and visualize 255/45R17 tire dimensions in both inches and millimeters. Tire size calculator will help you calculate the dimensions of any tire size.

255/45R17 Section Width
10"
26.1"
255/45R17 Tire Side
Tire Circumference
82"
17"
4.5"
773 Revs/Mile
Metric Inches
Tire Width 255 mm 10"
Aspect Ratio 45%
Rim Diameter 432 mm 17"
Tire Diameter 662 mm 26.1"
Sidewall Height 115 mm 4.5"
Circumference 2079 mm 82"
Revolutions 481 per km 773 per mile

255/45R17 Tire Width

Tire width is the measurement of the tire's cross-section at its widest point. 255/45R17 tire has a width of 255 millimeters or 10 inches.

Tires with section width of 255 millimeters come equipped on a variety of crossovers, passenger cars, pickup trucks, sport utility vehicles and vans.

Tires with width of 255 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.

Tire Width
10"

255/45R17 Aspect Ratio

Tire aspect ratio represents the height of the tire's sidewall as a percentage of its width. 255/45R17 tire size has an aspect ratio of 45%.

Tires with an aspect ratio of 45 fall into the category of low profile tires. These are commonly found on sports cars and high-performance luxury vehicles. The low profile (short sidewall height relative to tire width) enhances the vehicle's handling and responsiveness, particularly at high speeds and during sharp cornering. They contribute to a car's aggressive and sporty aesthetic.

Wider contact patch with the road surface allows for better traction, which is crucial for acceleration, braking, and cornering performance. However, it may also lead to increased road noise and a decrease in fuel or energy efficiency compared to tires with higher aspect ratios.

255/45R17 Rim Diameter

Rim diameter refers to the diameter of the wheel on which the tire is mounted, commonly measured in inches. 255/45R17 tire can be mounted on 17-inch wheels. The 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 17 inches are equipped on a select crossover, minivan, passenger car, pickup truck, sport utility vehicle and van models.

17-inch rims are typical for performance-oriented vehicles, including sports cars and high-end sedans. 17-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.

Rim Diameter
17"

255/45R17 Tire Diameter / Height

Tire diameter represens the total height of a tire, including the rim, when it is fully inflated and not under load. 255/45R17 tire height is 662 millimeters or 26.1 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.

Tire Diameter
26.1"

255/45R17 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. 255/45R17 tire sidewall is 115 millimeters or 4.5 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 4.5" offer a balance between performance and comfort, and are common on popular sedans, minivans, light trucks and SUVs.

Sidewall Height
4.5"

255/45R17 Circumference

Tire circumference is the total distance around the outer edge of the tire. 255/45R17 tire has a circumference of 2079 millimeters or 82 inches.

Tires with a circumference of 82 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.

255/45R17 Circumference
Tire Circumference
82"

255/45R17 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. 255/45R17 tire makes 481 revolutions per kilometer or 773 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 255/45R17 tire models

Listed below are most affordable tire models available in 255/45R17 tire size.

Shop more 255/45R17 tires with tire finder.

What is 255/45R17 in inches?

When converted to inches, 255/45R17 tire size is equivalent to 26.1x10R17. 26.1 inches indicate the tire diameter, 10 inches represent tread width, and 17 inches is the diameter of a rim the tire can be mounted on.

Learn more about 255/45R17 in inches conversion.

255/45R17 Vehicle Fitment

There are 14 vehicle models that use 255/45R17 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 255/45R17 tire?

255/45R17 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 255/45R17 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
P245/45R17 -1.5%
245/45R17 -1.5%
P245/50R17 2.4%
245/50R17 2.4%
P245/40R18 -1.4%
P245/45R18 2.3%
255/40R18 -0.2%
265/35R18 -2.9%
245/45R18 2.3%
265/40R18 1.1%
245/40R18 -1.4%
245/35R19 -1.1%
P245/40R19 2.6%
P245/35R19 -1.1%
265/35R19 1.1%
265/30R19 -2.9%
255/35R19 -0.2%
245/40R19 2.6%
P265/35R19 1.1%

What wheels can 255/45R17 tire be mounted on?

255/45R17 tires are generally approved to be mounted on 8" to 9.5" wide wheels. The following wheel sizes can be used:

  • 17x8
  • 17x8.5
  • 17x9
  • 17x9.5

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.

255/45R17 Tire Size Comparison Chart

Below is a comparison chart where we compare 255/45R17 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
255/45R17 vs 235/75R17 18.4%
255/45R17 vs 245/50R17 2.4%
255/45R17 vs P215/60R17 4.2%
255/45R17 vs P275/40R17 -1.5%
255/45R17 vs 275/40R17 -1.5%
255/45R17 vs P265/70R17 21.5%
255/45R17 vs P215/65R17 7.6%
255/45R17 vs 245/65R17 13.3%
255/45R17 vs 245/70R17 17.2%
255/45R17 vs P285/70R17 25.7%
255/45R17 vs 245/45R17 -1.5%
255/45R17 vs LT285/70R17 25.5%
255/45R17 vs 235/60R17 7.9%
255/45R17 vs P315/35R17 -1.5%
255/45R17 vs 235/65R17 11.5%
255/45R17 vs 235/70R17 15.1%
255/45R17 vs LT315/70R17 31.9%
255/45R17 vs P205/50R17 -3.6%
255/45R17 vs P215/55R17 0.9%
255/45R17 vs 245/75R17 20.8%
255/45R17 vs P265/65R17 17.2%
255/45R17 vs P225/45R17 -4.2%
255/45R17 vs P235/70R17 15.1%
255/45R17 vs 255/65R17 15.4%
255/45R17 vs 265/65R17 17.2%
255/45R17 vs 255/70R17 19.3%
255/45R17 vs P235/65R17 11.5%
255/45R17 vs 255/75R17 23%
255/45R17 vs P235/60R17 7.9%
255/45R17 vs P225/60R17 6%
255/45R17 vs P215/45R17 -5.4%
255/45R17 vs 255/60R17 11.5%
255/45R17 vs 255/40R17 -3.9%
255/45R17 vs P255/70R17 19.3%
255/45R17 vs P225/50R17 -0.6%
255/45R17 vs P245/70R17 17.2%
255/45R17 vs P245/65R17 13.3%
255/45R17 vs 265/70R17 21.5%
255/45R17 vs P225/55R17 2.7%
255/45R17 vs P235/75R17 18.4%
255/45R17 vs P225/65R17 9.4%
255/45R17 vs 245/40R17 -5.1%
255/45R17 vs LT265/65R17 17.2%
255/45R17 vs 215/60R17 4.2%
255/45R17 vs 215/65R17 7.6%
255/45R17 vs LT255/75R17 23%
255/45R17 vs LT295/70R17 27.6%
255/45R17 vs LT285/75R17 29.8%
255/45R17 vs 225/45R17 -4.2%
255/45R17 vs LT245/75R17 20.7%
255/45R17 vs LT245/70R17 17.1%
255/45R17 vs 215/55R17 0.9%
255/45R17 vs LT305/65R17 25.1%
255/45R17 vs 205/40R17 -10%
255/45R17 vs 205/45R17 -6.9%
255/45R17 vs 205/50R17 -3.6%
255/45R17 vs 205/55R17 -0.6%
255/45R17 vs 215/40R17 -8.8%
255/45R17 vs LT305/70R17 29.8%
255/45R17 vs 215/45R17 -5.4%
255/45R17 vs LT265/70R17 21.3%
255/45R17 vs 215/50R17 -2.1%
255/45R17 vs 225/50R17 -0.6%
255/45R17 vs LT235/80R17 22.1%
255/45R17 vs LT225/65R17 9.4%
255/45R17 vs 235/55R17 4.2%
255/45R17 vs 235/45R17 -2.7%
255/45R17 vs 285/70R17 25.7%
255/45R17 vs 315/35R17 -1.5%
255/45R17 vs 235/50R17 0.9%
255/45R17 vs 275/60R17 15.1%
255/45R17 vs 265/60R17 13.3%
255/45R17 vs 235/40R17 -6.3%
255/45R17 vs LT275/70R17 23.4%
255/45R17 vs LT245/65R17 13.3%
255/45R17 vs 225/65R17 9.4%
255/45R17 vs 225/55R17 2.7%
255/45R17 vs LT255/80R17 26.9%
255/45R17 vs LT225/75R17 16.2%
255/45R17 vs 225/60R17 6%
255/45R17 vs P225/55R18 6.5%
255/45R17 vs LT275/65R18 23.1%
255/45R17 vs P215/55R18 4.7%
255/45R17 vs LT275/70R18 27.2%
255/45R17 vs P225/45R18 -0.5%
255/45R17 vs LT305/70R18 33.5%
255/45R17 vs LT325/65R18 32.9%
255/45R17 vs LT285/75R18 33.7%
255/45R17 vs P225/60R18 9.8%
255/45R17 vs P235/50R18 4.7%
255/45R17 vs 295/35R18 0.2%
255/45R17 vs 315/30R18 -2.3%
255/45R17 vs 215/35R18 -8.3%
255/45R17 vs 275/60R18 18.9%
255/45R17 vs LT265/60R18 17.1%
255/45R17 vs LT265/65R18 21.1%
255/45R17 vs LT285/60R18 20.7%
255/45R17 vs LT285/65R18 25.1%
255/45R17 vs LT285/70R18 29.3%
255/45R17 vs LT295/70R18 31.4%
255/45R17 vs LT305/60R18 24.3%
255/45R17 vs LT305/65R18 29%
255/45R17 vs 285/35R18 -0.8%
255/45R17 vs 285/30R18 -5%
255/45R17 vs 275/45R18 6.5%
255/45R17 vs P235/60R18 11.6%
255/45R17 vs P235/65R18 15.3%
255/45R17 vs P245/40R18 -1.4%
255/45R17 vs P245/60R18 13.4%
255/45R17 vs P255/65R18 19.2%
255/45R17 vs P255/70R18 23.1%
255/45R17 vs P265/60R18 17.1%
255/45R17 vs P265/65R18 21%
255/45R17 vs P265/70R18 25.2%
255/45R17 vs P275/65R18 23.1%
255/45R17 vs 265/35R18 -2.9%
255/45R17 vs 265/40R18 1.1%
255/45R17 vs LT325/60R18 27.9%
255/45R17 vs 245/40R18 -1.4%
255/45R17 vs 235/50R18 4.7%
255/45R17 vs 255/55R18 11.3%
255/45R17 vs 235/45R18 1.1%
255/45R17 vs 255/65R18 19.2%
255/45R17 vs 255/70R18 23.1%
255/45R17 vs 235/40R18 -2.6%
255/45R17 vs 225/60R18 9.8%
255/45R17 vs 225/55R18 6.5%
255/45R17 vs 205/40R18 -6.2%
255/45R17 vs 255/45R18 3.8%
255/45R17 vs 235/55R18 8%
255/45R17 vs 245/45R18 2.3%
255/45R17 vs 245/35R18 -5%
255/45R17 vs 245/50R18 6.2%
255/45R17 vs 245/55R18 9.8%
255/45R17 vs 235/65R18 15.3%
255/45R17 vs 255/35R18 -4.1%
255/45R17 vs 235/60R18 11.6%
255/45R17 vs 255/40R18 -0.2%
255/45R17 vs 245/60R18 13.4%
255/45R17 vs 215/55R18 4.7%
255/45R17 vs 215/40R18 -5%
255/45R17 vs 295/30R18 -4.1%
255/45R17 vs 275/40R18 2.3%
255/45R17 vs 225/50R18 3.2%
255/45R17 vs 285/60R18 20.7%
255/45R17 vs 255/60R18 15.3%
255/45R17 vs 215/50R18 1.7%
255/45R17 vs 275/65R18 23.1%
255/45R17 vs 225/40R18 -3.8%
255/45R17 vs 275/35R18 -2%
255/45R17 vs 225/45R18 -0.5%
255/45R17 vs 265/60R18 17.1%
255/45R17 vs LT265/70R18 25.1%
255/45R17 vs 265/65R18 21%
255/45R17 vs 265/70R18 25.2%
255/45R17 vs 215/45R18 -1.7%
255/45R17 vs 295/40R19 8.6%
255/45R17 vs 305/35R19 5.3%
255/45R17 vs 295/30R19 -0.2%
255/45R17 vs 285/45R19 11.6%
255/45R17 vs 235/50R19 8.6%
255/45R17 vs 325/30R19 2.6%
255/45R17 vs 225/55R19 10.4%
255/45R17 vs 235/35R19 -2.3%
255/45R17 vs 225/40R19 0.2%
255/45R17 vs 235/40R19 1.4%
255/45R17 vs 235/45R19 5%
255/45R17 vs 275/45R19 10.4%
255/45R17 vs 225/35R19 -3.2%
255/45R17 vs 225/45R19 3.5%
255/45R17 vs 235/55R19 11.9%
255/45R17 vs 285/40R19 7.4%
255/45R17 vs 245/35R19 -1.1%
255/45R17 vs 285/30R19 -1.1%
255/45R17 vs 265/35R19 1.1%
255/45R17 vs P235/55R19 11.9%
255/45R17 vs P235/50R19 8.6%
255/45R17 vs 265/40R19 5%
255/45R17 vs 265/45R19 8.9%
255/45R17 vs 265/50R19 13.1%
255/45R17 vs 265/55R19 17.1%
255/45R17 vs 275/30R19 -2%
255/45R17 vs 275/35R19 2%
255/45R17 vs 275/40R19 6.2%
255/45R17 vs 275/50R19 14.7%
255/45R17 vs 275/55R19 18.6%
255/45R17 vs 285/35R19 3.2%
255/45R17 vs 295/35R19 4.1%
255/45R17 vs 265/30R19 -2.9%
255/45R17 vs 255/60R19 19.2%
255/45R17 vs 155/70R19 5.9%
255/45R17 vs 245/40R19 2.6%
255/45R17 vs 245/45R19 6.2%
255/45R17 vs 245/50R19 10.1%
255/45R17 vs 245/55R19 13.7%
255/45R17 vs P245/55R19 13.7%
255/45R17 vs 255/30R19 -3.8%
255/45R17 vs 255/35R19 -0.2%
255/45R17 vs 255/40R19 3.8%
255/45R17 vs P255/60R19 19.2%
255/45R17 vs 255/45R19 7.7%
255/45R17 vs 255/50R19 11.6%
255/45R17 vs P245/45R19 6.2%
255/45R17 vs 255/55R19 15.3%
255/45R17 vs 305/30R19 0.8%

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