See also:

Tire Terminology and Definitions
Air Pressure: The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight: The ...

Low-Profile Tires
If the vehicle has P235/45R18 size tires, they are classified as low-profile tires. Notice: Low-profile tires are more susceptible to damage from road hazards or curb impact than standard profile ...

Tires
Every new GM vehicle has high-quality tires made by a leading tire manufacturer. See the warranty manual for information regarding the tire warranty and where to get service. For additional informatio ...