ProPublica

Journalism in the Public Interest

STAR

ALSO SEE LEE BRAND

Size Temperature Rating Traction Rating Treadwear Rating
NONE
C B A
C B A AA

IMPERIAL

Size Temperature Rating Traction Rating Treadwear Rating
All except
C B A
C B A AA
P185/60R15 T SBL
C B A
C B A AA
P205/55R16 H SBL
C B A
C B A AA
P205/65R16 T SBL
C B A
C B A AA
P215/50R17 H SBL
C B A
C B A AA
P215/55R16 H SBL
C B A
C B A AA
P225/50R17 V SBL
C B A
C B A AA
P225/55R17 T SBL
C B A
C B A AA
P225/60R16 S NW
C B A
C B A AA
P235/55R17 H SBL
C B A
C B A AA
P235/60R16 H SBL
C B A
C B A AA
P235/75R15 XL
C B A
C B A AA

SKYMASTER METRIC

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

SKYTRAC II

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

SUPER STAR G/T - SR

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

TRAIL BUSTER APR (P-METRIC)

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

TRAIL BUSTER RAD A/P (P-METRIC)

Size Temperature Rating Traction Rating Treadwear Rating
All except
C B A
C B A AA
P235/75R15 XL
C B A
C B A AA

ULTRA METRIC

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

ULTRA TOUR SPORT SUV

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

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