The specific dimensions of the pneumatic tires designated for use on the 2012 Toyota Sienna minivan are a critical specification. This dimensional data directly influences vehicle performance, safety characteristics, and overall driving experience. Accurate specification ensures proper fitment within the wheel wells and compatibility with the vehicle’s suspension and braking systems.
Selecting the correct specification offers multiple benefits, including maintaining accurate speedometer readings, preserving optimal fuel efficiency, and ensuring predictable handling. Historically, tire dimensions have evolved to improve ride comfort, reduce road noise, and enhance grip in various weather conditions. Using the manufacturer-recommended size helps preserve the vehicle’s original design characteristics and maintain its resale value.