2021 GMC Sierra 2500 HD 2021 SLT Extended Cab Pickup

Repair services & inexpensive new parts for 2021 GMC Sierra 2500 HD 2021 SLT Extended Cab Pickup with 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged engine.

Have Questions about GMC Sierra 2500 HD 2021 SLT? Ask the assistant for questions about mileage, performance, repairs, parts, recommended maintenance and more.

Make: GMC
Model: Sierra 2500 HD
Trim: SLT Extended Cab Pickup 4-Door
Year: 2021

Quick Info

Fuel: DIESEL
Aspiration: Turbocharged
Engine Displacement: 6.6L
Engine CC: 6599
Engine CID: 403
Engine Block Type: V
Cylinder Type: OHV
Cylinders: 8
Drive: RWD
Body Type: Extended Cab Pickup
Doors: 4

Repair services & inexpensive new parts for 2021 GMC Sierra 2500 HD 2021 SLT Extended Cab Pickup with 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged engine.