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2021 GMC Sierra 3500 HD 2021 Base Cab & Chassis

Repair services & inexpensive new parts for 2021 GMC Sierra 3500 HD 2021 Base Cab & Chassis with 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated engine.

Have Questions about GMC Sierra 3500 HD 2021 Base? Ask the assistant for questions about mileage, performance, repairs, parts, recommended maintenance and more.


Make: GMC
Model: Sierra 3500 HD
Trim: Base Cab & Chassis 4-Door
Year: 2021

Quick Info

Fuel: GAS
Aspiration: Naturally Aspirated
Engine Displacement: 6.6L
Engine CC: 6571
Engine CID: 401
Engine Block Type: V
Cylinder Type: OHV
Cylinders: 8
Drive: RWD
Body Type: Cab & Chassis
Doors: 4

Repair services & inexpensive new parts for 2021 GMC Sierra 3500 HD 2021 Base Cab & Chassis with 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated engine.