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GMC Sierra 3500HD 2021 Alloy wheel fitment guide Choose appropriate trim of GMC Sierra 3500HD 2021:

GMC Sierra 3500HD wheels and tires specs icon

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

GMT T1XX [2020 .. 2022]: 6.6 TD DRW 445hp 6.6 TD SRW 445hp 6.6i DRW 401hp 6.6i SRW 401hp

GMC Sierra 3500HD 2021 6.6 TD DRW
– Generation: GMT T1XX [2020 .. 2022] [USDM]
– Power: 445 hp | 332 kW | 451 PS
– Engine: V8, Diesel
– Options: SLE, SLT, AT4, Denali
– Center Bore: 154.2 mm
– Wheel Fasteners: Lug nuts
– Torque: 190 Nm
– Thread Size: M14 x 1.5
– Trim Production: [2020 .. 2021]
Tire 
Rim 
PCD 
Vehicle's recommended cold tire inflation pressure. It is measured in bars or PSI (pounds per square inch).
LT235/80R17 117R 10PR 6.5Jx17 ET125 8x210 4.8 / 4.5 70 / 65
OE
GMC Sierra 3500HD 2021 6.6 TD SRW
– Generation: GMT T1XX [2020 .. 2022] [USDM]
– Power: 445 hp | 332 kW | 451 PS
– Engine: V8, Diesel
– Options: SLE, SLT, AT4, Denali
– Center Bore: 124.1 mm
– Wheel Fasteners: Lug nuts
– Torque: 190 Nm
– Thread Size: M14 x 1.5
– Trim Production: [2020 .. 2021]
Tire 
Rim 
PCD 
LT275/70R18 125S 10PR 8Jx18 ET44 8x180
OE
LT275/65R20 126S 10PR 8.5Jx20 ET47 8x180
GMC Sierra 3500HD 2021 6.6i DRW
– Generation: GMT T1XX [2020 .. 2022] [USDM]
– Power: 401 hp | 299 kW | 407 PS
– Engine:
– Options: SLE, SLT, AT4, Denali
– Center Bore:
– Wheel Fasteners: Lug nuts
– Torque:
– Thread Size:
– Trim Production: [2020 .. 2021]
Tire 
Rim 
PCD 
Vehicle's recommended cold tire inflation pressure. It is measured in bars or PSI (pounds per square inch).
117R 10PR 4.8 / 4.5 70 / 65
GMC Sierra 3500HD 2021 6.6i SRW
– Generation: GMT T1XX [2020 .. 2022] [USDM]
– Power: 401 hp | 299 kW | 407 PS
– Engine:
– Options: SLE, SLT, AT4, Denali
– Center Bore:
– Wheel Fasteners: Lug nuts
– Torque:
– Thread Size:
– Trim Production: [2020 .. 2021]
Tire 
Rim 
PCD 
125S 10PR
126S 10PR
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