GMC Sierra 2500HD 2021 Alloy wheel fitment guide Choose appropriate trim of GMC Sierra 2500HD 2021:

GMC Sierra 2500HD wheels and tires specs icon

Heads up! Highlighted items are for OEM wheels, the rest are replacement options

GMC Sierra 2500HD 2021 6.6 TD
Generation: GMT T1XX [2020 .. 2022]
Power: 445 hp | 332 kW | 451 PS
Engine: , Diesel
Options: SLE, SLT, AT4, Denali
Center Bore:
PCD:
Wheel Fasteners: Lug nuts
Wheel Tightening Torque:
Thread Size:
Trim Production: [2020 .. 2021]
Tire 
Rim 
Vehicle's recommended cold tire inflation pressure. It is measured in bars or PSI (pounds per square inch).
LT245/75R17 121R 10PR 7.5Jx17 ET44 4.1 / 5.5 59 / 80
LT265/70R17 121Q 10PR 7.5Jx17 ET44 4.1 / 5.5 59 / 80
LT275/70R18 125S 10PR 8Jx18 ET44
LT275/65R20 126S 10PR 8.5Jx20 ET47
GMC Sierra 2500HD 2021 6.6i
Generation: GMT T1XX [2020 .. 2022]
Power: 401 hp | 299 kW | 407 PS
Engine: , Petrol
Options: SLE, SLT, AT4, Denali
Center Bore:
PCD:
Wheel Fasteners: Lug nuts
Wheel Tightening Torque:
Thread Size:
Trim Production: [2020 .. 2021]
Tire 
Rim 
Vehicle's recommended cold tire inflation pressure. It is measured in bars or PSI (pounds per square inch).
LT245/75R17 121R 10PR 7.5Jx17 ET44 4.1 / 5.5 59 / 80
LT265/70R17 121Q 10PR 7.5Jx17 ET44 4.1 / 5.5 59 / 80
LT275/70R18 125S 10PR 8Jx18 ET44
LT275/65R20 126S 10PR 8.5Jx20 ET47

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