Tire Size 255/55r20 in inches

Tire size 255/55R20 is equivalent to 31x10R20 in inches, with an overall diameter of 31 inches (788.5 millimeters), a section width of 10 inches (255 millimeters), a wheel diameter of 20 inches (508 millimeters), and is approved to be mounted on 7.0 – 9.0 inches (177.8 – 228.6 millimeters) wide wheels. This uniquely sized tire is essential for various automotive applications, offering substantial grip and contact with the road surface.

255/55r20 in inches

Get detailed measurements in both inches and millimeters instantly through this Table chart.

Feature Inches Metric
Tire Diameter 31 788.5
Section Width 10 255
Rim Height 20 508
Sidewall Height 5.5 140.3
Circumference 97.5 2477.1
Revolutions 404 per km 651 per mile
Rim Width Range 7.0-9.0 177.8 – 228.6

How Tall Is A 255/55R20 Tire?

The Tire Height of the 255/55R20 tire size is approximately 31 inches or 788.5 millimeters. This height is critical in determining the tire’s rolling resistance and overall performance, including fuel efficiency and ride comfort.

What Is the 255/55R20 Width In Inches?

The tread width of the 255/55R20 tire size is about 10 inches or 255 millimeters. This wide tread ensures optimal traction, especially in dry and wet road conditions, and contributes to handling, tire stability, and vehicle balance.

What Is the 255/55R20 Sidewall Height?

The 255/55R20 tire’s sidewall height is 5.5 inches or 140.3 millimeters. The sidewall height is instrumental in cushioning the vehicle against shocks and impacts and can impact the ride’s overall comfort and tire performance.

What Is the 255/55R20 Tire Circumference?

The circumference of the 255/55R20 tire size is around 97.5 inches or 2477.1 millimeters. The circumference is crucial as it helps determine the tire’s revolutions per mile, which can influence speedometer readings and overall vehicle performance.

What Is the 255/55R20 Revolutions Per Mile?

For the 255/55R20 tire size, there are approximately 651 revolutions per mile or 404 revolutions per kilometer. This specification helps calculate the overall distance traveled and can impact the vehicle’s fuel efficiency.

What Is the 255/55R20 Rims Size?

The 255/55R20 tire size, the rim diameter is 20 inches or 508 millimeters. The rim supports the tire and aids in maintaining its shape and stability under different driving conditions.

Fitment Guide
This table will guide you on which vehicles the 255/55R20 tire size is commonly used on. The guide offers valuable insights into the potential applications of this tire size, ensuring optimal compatibility and performance.

Brand Name Model
BMW X7 (2018 – 2023)
BUICK Enclave (2009 – 2023)
CHEVROLET Colorado (2015 – 2023), Traverse (2009 – 2023)
FORD Everest (2022 – 2023), Explorer (2020 – 2023), Ranger (2022 – 2023)
GMC Acadia (2006 – 2016), Acadia Limited (2017 – 2017), Canyon (2015 – 2022)
LAND ROVER Discovery 5 (2016 – 2023), Range Rover (2012 – 2022), Range Rover Sport (2013 – 2022)
LINCOLN Aviator (2019 – 2023)
PORSCHE Cayenne (2023 – 2024)
SATURN Outlook (2006 – 2010)
VOLKSWAGEN Amarok (2022 – 2023)

Replacement Tire Size
Replacement tires have to be within 3% of the tire diameter of your existing tire size to avoid any potential issues with tire clearance, speedometer accuracy, and overall vehicle performance.

Tire Size Overall Diameter Difference
235/55R20 30.2″ (766 mm) -2.8%
265/50R20 30.5″ (774 mm) -1.8%
295/45R20 30.5″ (774 mm) -1.8%
305/45R20 30.8″ (782 mm) -0.8%
275/50R20 30.9″ (784 mm) -0.5%
285/50R20 31.3″ (794 mm) 0.8%
245/60R20 31.6″ (802 mm) 1.8%
295/50R20 31.7″ (804 mm) 2.0%
275/55R20 31.9″ (810 mm) 2.8%

Our Observation
In our analysis, the 255/55R20 tire size offers a balanced blend of performance and comfort. Its large diameter and width provide impressive traction and handling characteristics, while the sidewall height adds a layer of condolence to the ride.

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