The specified numeric and alphanumeric code found on a vehicle’s sidewall indicates the appropriate dimensions for its tires. This code is crucial for ensuring safe and optimal vehicle performance. For the model year 2013 of a particular compact car, this code dictates the width, aspect ratio, and wheel diameter that the vehicle’s original equipment manufacturer has determined to be suitable.
Adhering to the recommended dimensions offers several advantages. Maintaining the correct size contributes to accurate speedometer readings, appropriate handling characteristics, and the intended fuel economy. Furthermore, using the recommended specifications helps ensure that the tires will not rub against the vehicle’s body or suspension components, and also preserves the integrity of safety systems like ABS and traction control. Historically, manufacturers have dedicated significant research and testing to establish the most appropriate sizes for each model, considering factors like weight distribution, suspension geometry, and target driving characteristics.