The specific dimensions of tires designated for use on the 2014 Toyota Sienna are a critical factor for vehicle performance and safety. These dimensions, typically expressed in a standardized format (e.g., 235/60R17), dictate the tire’s width, aspect ratio, and rim diameter, directly influencing handling, braking, and fuel efficiency. For instance, a tire described as 235/60R17 indicates a section width of 235 millimeters, an aspect ratio of 60% (the sidewall height is 60% of the section width), and a radial construction designed for a 17-inch wheel.
Selecting the correct tire dimensions offers numerous advantages. Adhering to the manufacturer’s specified dimensions ensures optimal speedometer accuracy, prevents interference with the vehicle’s chassis, and maintains the intended ride quality. Moreover, utilizing the appropriate tire size contributes to consistent anti-lock braking system (ABS) and electronic stability control (ESC) performance. Historically, variations in recommended tire sizes have been introduced to accommodate different trim levels or performance packages within the same vehicle model, reflecting evolving engineering considerations and consumer preferences.