What is load index and how is it important for car tires?
Tire load index is a number indicating the maximum weight each tire can safely carry - always match or exceed your vehicle's required load index to ensure safe handling and prevent tire failure.
The load index is a two or three digit number on the tire sidewall indicating the maximum weight each tire can safely support when properly inflated. It is one of the most important safety specifications to verify when purchasing new tires.
How to read it
The load index number corresponds to a standardized weight capacity. For example:
- Load index 91 = 1,356 lbs per tire
- Load index 95 = 1,521 lbs per tire
- Load index 100 = 1,764 lbs per tire
Why it matters
Fitting tires with a load index below your vehicle's requirement is a safety risk. Overloaded tires build up excess heat, which accelerates wear and dramatically increases the chance of a blowout. Always choose tires that meet or exceed the load index specified in your owner's manual or door placard.
Practical note: If you are choosing tires primarily based on looks or price, always cross-check the load index before purchasing. A great-looking performance tire in the wrong load rating is simply the wrong tire for your car.
Need help confirming the correct load index for your car and wheel setup? Contact our tire team and we will make sure you get the right spec.