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Tire Tracker
PRO COMP
ALL TERRAIN
Size
Temperature Rating
Traction Rating
Treadwear Rating
225/70R16
C
B
A
C
B
A
AA
500
0
900
275/55R20/XL
C
B
A
C
B
A
AA
460
0
900
275/60R20/XL
C
B
A
C
B
A
AA
460
0
900
285/60R18
C
B
A
C
B
A
AA
460
0
900
Sources: NHTSA Uniform Tire Quality Grading Standards, TireReview.com