What is the speed rating for 205 55 R17?
For example, in the tire size 205/55R17 91V, the V represents the speed rating, indicating this tire can safely sustain speeds up to 149 mph. This placement makes it easy to identify once you know where to look, though many drivers never realize this important safety information sits right on their tire’s sidewall. Speed Symbol Speeds quoted are the maximum speed of which the tyre is capable, not the speed at which it is normally ridden.
What is the tire pressure for a 205 55 tire?
However, as a general guideline, the recommended tyre pressure for 205/55 r16 tyres typically falls within the range of 30 to 35 psi (pounds per square inch) for passenger vehicles. With a tire pressure of 50 psi, a c range tire with a diameter of 14” can support a load of about 1,700 pounds per tire. Again, the load capacity of the tire may vary with the tire’s diameter in that if the diameter is smaller, the load capacity will be smaller also.
What is the 3% rule for tires?
As a general rule, you want replacement tires that are within 3 percent of the diameter (height) measurement of the tires originally on your vehicle. The 3% rule states that when replacing tires, the new tire’s diameter should not differ from the original by more than 3%. This guideline helps maintain proper vehicle performance, safety system functionality, and speedometer accuracy.