This information indicates the relative performance of passenger car tires in the area of treadwear, traction, and temperature resistance. This is to aid the consumer in making an informed choice in the purchase of tires. Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:
TREADWEAR 200 TRACTION AA TEMPERATURE A
The quality grades apply to new pneumatic tires for use on passenger cars. However, they do not apply to deep tread, winter-type snow tires, space-saver or temporary use spare tires, tires with nominal rim diameters of 12 inches or less, or some limited-production tires. All passenger car tires must conform to Federal Safety Requirements in addition to these grades.
The traction grades, from highest to lowest, are AA, A, B, and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance.
WARNING
The traction grade assigned to this tire is based on straight-ahead braking traction tests and does not include acceleration, cornering, hydroplaning, or peak traction characteristics.
The temperature grades are A (the highest), B, and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. A sustained high temperature can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure. Grade C corresponds to a level of performance that all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 109. Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law.
WARNING
The temperature grade for this tire is established for a tire that is properly inflated and not overloaded. Excessive speed, underinflation, or excessive loading, either separately or in combination, can cause heat buildup and possible tire failure.
Access the comprehensive 2010-2018 VW Jetta Passenger Fuse Box Diagram to troubleshoot electrical issues effectively.…
Explore the comprehensive VW Jetta Passenger Fuse Box Diagram to troubleshoot electrical issues effectively. Understand…
Under Hood Fuse Box Location Remove the front luggage compartment cover. Under Hood Fuse Box…
2022 Kawasaki NINJA H2 SX SE Brake Lever Adjuster Owner's Manual NOTICE Only adjust the front…
2023 Land Rover Range Rover Evoque Exiting The Vehicle SINGLE LOCKING WARNING Before exiting the…
2023 Land Rover Range Rover Evoque Front Seats FRONT SEAT SAFETY Make sure to read…