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Journalism in the Public Interest

UNION 76

3 STAR

Size	Temperature Rating	Traction Rating	Treadwear Rating
All sizes	C B A	C B A AA	80 0 900
All sizes	C B A	C B A AA	180 0 900

4 STAR

Size	Temperature Rating	Traction Rating	Treadwear Rating
All sizes	C B A	C B A AA	190 0 900

5 STAR

Size	Temperature Rating	Traction Rating	Treadwear Rating
All except	C B A	C B A AA	220 0 900
P-metric	C B A	C B A AA	220 0 900

SUPER SPORT

Size	Temperature Rating	Traction Rating	Treadwear Rating
All sizes	C B A	C B A AA	200 0 900

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