If you need consumer assistance
Department Of Transportation Uniform TireQuality Grades
In this manual: If you need consumer assistance
~1min read
The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.
All passenger car tires must conform to Federal safety requirements in addition to these grades.
Test yourself
A quick Fiat 500 quiz: every answer comes with an explanation and a link to the manual page.
Was this page helpful?