ProPublica

Journalism in the Public Interest

GEOTRAC

Grantland HT

Size Temperature Rating Traction Rating Treadwear Rating
15", 16", 17"
C B A
C B A AA
15", 16", 17"
C B A
C B A AA
15", 16", 17"
C B A
C B A AA
20"
C B A
C B A AA

Patagonia

Size Temperature Rating Traction Rating Treadwear Rating
All
C B A
C B A AA

TI500 XLT2

Size Temperature Rating Traction Rating Treadwear Rating
All
C B A
C B A AA

Sources: NHTSA Uniform Tire Quality Grading Standards, TireReview.com