2021 GMC Sierra 3500 HD 2021 SLE Extended Cab Pickup

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

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

Make: GMC
Model: Sierra 3500 HD
Trim: SLE Extended Cab Pickup 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: 4WD
Body Type: Extended Cab Pickup
Doors: 4

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