We have all seen the mysterious letters and numbers on our tires, but we may not have given them much thought. However, when it is time to replace the tires, it is helpful to know what tires are best for our vehicle. The correct tire pressure is also present on the tires, which is handy when we check the pressure.
The first letter signifies the class of the tire. "P" stands for "Passenger", "LT" means "Light Truck" and so on.