ProPublica

Journalism in the Public Interest

DURO

DP3000 (T, H)

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

DP3000 (V)

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

DP8000

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