What is a tire speed rating?

Answer An automobile's tire speed rating is, mathematically, the fastest speed at which the tire can be driven safely. Tire speed ratings are found on the tire's sidewall, next to the size rating. Tire sp... Read More »

Top Q&A For: What is a tire speed rating

What is the speed rating on a tire?

That long string of letters and numbers on a tire's sidewall can be a confusing alphabet soup of specifications if you don't know what they mean. Speed ratings are one of the easier ratings to unde... Read More »

What Is a Tire Q Rating?

Every tire is speed rated, which means that you can safely travel at a certain speed limit without worry that your tires will fail you. Tires are assigned a letter rating representing the top speed... Read More »

What is a tire ply rating?

Ply rating is an older method to determine the load carrying capacity of truck and trailer tires. Although ply rating is not a formalized tire rating system, it can be used to describe the load cap... Read More »

What is a tire load rating?

The tire load rating is a designation given to automobile tires that indicate the tire's load range and load index.SignificanceThe load rating of a tire is based on its range and index. The range o... Read More »