ProPublica

Journalism in the Public Interest

SIGMA

ALSO SEE CORDOVAN BRAND

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

GRAND SPORT STAMPEDE A/T

Size Temperature Rating Traction Rating Treadwear Rating
All except
C B A
C B A AA
P265/75R15
C B A
C B A AA

REGENT TOURING H-RATED

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

REGENT TOURING LS (H rated)

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

REGENT TOURING LS (T rated)

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

REGENT TOURING LS (V rated)

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

REGENT TOURING S-RATED

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

REGENT TOURING T-RATED

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

REGENT TOURING V-RATED

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

SCEPTOR

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

SOVRAN 80,75,70 SR

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

SR IV

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

STAMPEDE A/T

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

STAMPEDE AT/S P-METRIC

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

STAMPEDE RADIAL A/S P-METRIC

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

Stampede Sport HT

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

SUPREME SE/CLASSIC SR

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

SUPREME TOURING SSR

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

SUPREME TOURING SSR (75 SR)

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

SUPREME TOURING ST

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

SUPREME TSE

Size Temperature Rating Traction Rating Treadwear Rating
P235/75R15 (X/L)
C B A
C B A AA

SUPREME TSE 80,75,70,60 SR

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

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