Subaru Forester 2019-2025 Owners Manual / Consumer information and reporting safety defects / Uniform tire quality grading standards / TREADWEAR

Subaru Forester: Uniform tire quality grading standards / TREADWEAR

The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course.

For example, a tire graded 150 would wear one and one-half (1- 1/2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.

Uniform tire quality grading standards

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 betw..

TRACTION AA, A, B, C

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...

Other information:

Subaru Forester 2019-2025 Owners Manual: Glossary of tire terminology

Accessory weight The combined weight (in excess of those standard items which may be replaced) of automatic transmission, power steering, power brakes, power windows, power seats, radio, and heater, to the extent that these items are available as factory-installed equipment (whether installed or not)...

Subaru Forester 2019-2025 Owners Manual: Outside temperature indicator

U.S.-spec. models Except U.S.-spec. models NOTE The outside temperature indicator shows the temperature around the sensor. However, the temperature may not be indicated correctly or the update may be delayed in the following conditions...

Average fuel consumption

Subaru Forester. Average fuel consumption

Displays the driving range per gallon of fuel Displays the driving range per liter of fuel Displays the fuel consumption per 100 km

This display shows the average rate of fuel consumption since the trip meter was last reset.