2012 GMC Sierra 2500 Tire Sizes

Before you buy new tires, first determine a compatible size.

Click on a rim size to browse the original factory tire sizes that may have come with your GMC Sierra 2500.

17-Inch Rims

Options:HD SLE Crew Cab, HD SLE Ext. Cab, HD SLE Reg. Cab, HD WT Crew Cab, HD WT Ext. Cab, HD WT Reg. Cab
LT
245
75
R
17
E
121
R
Options:HD SLE Crew Cab, HD SLE Ext. Cab, HD SLE Reg. Cab, HD WT Crew Cab, HD WT Ext. Cab, HD WT Reg. Cab
LT
265
70
R
17
E
121
Q

18-Inch Rims

Options:HD Denali, HD SLE Crew Cab, HD SLE Ext. Cab, HD SLE Reg. Cab, HD SLT Crew Cab, HD SLT Ext. Cab, HD WT Crew Cab, HD WT Ext. Cab, HD WT Reg. Cab
LT
265
70
R
18
E
124
Q
Options:HD Denali, HD SLE Crew Cab, HD SLE Ext. Cab, HD SLE Reg. Cab, HD SLT Crew Cab, HD SLT Ext. Cab, HD WT Crew Cab, HD WT Ext. Cab, HD WT Reg. Cab
LT
265
70
R
18
E
124
R

20-Inch Rims

Options:HD Denali (20 Inch Option), HD SLE (20 Inch Option), HD SLT (20 Inch Option)
LT
265
60
R
20
E
121
R