ProPublica

Journalism in the Public Interest

SUMITOMO

ALL-TERRAIN

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

Enhance C/X (H & V-Rated)

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

Enhance C/X (T-Rated)

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

Enhance L/X (H & V-Rated)

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

Enhance L/X (T-Rated)

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

Enhance L/X (V-Rated)

Size Temperature Rating Traction Rating Treadwear Rating
235/50R18 XL
C B A
C B A AA

Enhance L/X (W-Rated)

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

FP8000

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

HTR A/S P01

Size Temperature Rating Traction Rating Treadwear Rating
40, 45, 50, 55 Series
C B A
C B A AA
40, 45, 50, 55 Series
C B A
C B A AA
40, 45, 50, 55 Series
C B A
C B A AA
40, 45, 50, 55 Series
C B A
C B A AA
60 & 65 Series
C B A
C B A AA
60, 65 Series
C B A
C B A AA
60, 65 Series
C B A
C B A AA

HTR ENHANCE C/X "H,V"

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

HTR ENHANCE C/X "T"

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

HTR ENHANCE L/X "H, V" (standard load)

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

HTR ENHANCE L/X "T" (standard load)

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

HTR ENHANCE L/X "W" (standard load)

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

HTR ENHANCE L/X XL (extra load)

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

HTR H4

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

HTR SPORT H/P

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

HTR T4

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

HTR+

Size Temperature Rating Traction Rating Treadwear Rating
HR & VR
C B A
C B A AA
HR & VR
C B A
C B A AA
WR
C B A
C B A AA

HTR200

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

HTR2000

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

HTR35Z

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

HTR40Z

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

HTR45Z

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

HTR50Z

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

HTR55Z

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

HTRZ_

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

TOUR PLUS LSV

Size Temperature Rating Traction Rating Treadwear Rating
235/50R18
C B A
C B A AA
All sizes except
C B A
C B A AA

TOUR PLUS LSW

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

TOUR PLUS LXH

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

TOUR PLUS LXT

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

TOUR PLUS LXV

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

TOURING LSH

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

TOURING LST

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

TOURING LSV

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

TOURING LXH

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

TOURING LXT

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

TOURING LXV

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