2021 GMC Sierra 2500 HD Tires
Available tire sizes by trim level.
5 tire configurations
LT245/75R17/E 121R
Tires
Trims:
Base
SLE
LT265/70R17/E 121Q
Tires
Trims:
Base
SLE
LT275/65R20/E 126S
Tires
Trims:
AT4
Denali
SLE
SLT
LT275/70R18/E 125R
Tires
Trims:
AT4
LT275/70R18/E 125S
Tires
Trims:
AT4
Base
SLE
SLT