2025 GMC SIERRA 3500 HD CHASSIS CAB 

Shown with equipment from independent suppliers which is not covered by the GM New Vehicle Limited Warranty. GM is not responsible for the safety or quality of independent supplier alterations.

MAX AVAILABLE TORQUE

975 LB.-FT.*

MAX AVAILABLE PAYLOAD

7,306 LBS.*

MAX GVWR

14,000 LBS.*

MAX GCWR

40,000 LBS.*

CAPABILITY

Proven powertrains.

AVAILABLE DURAMAX® 6.6L TURBO-DIESEL V8 ENGINE

  • Paired with the Allison® 10-speed automatic transmission  
  • 975 lb.-ft. of torque and 470 horsepower
  • A broad band of power and torque over the entire operating speed range 
  • Exhaust brake to improve control when towing
  • Potent turbo vane actuator and tough valve springs

6.6L V8 GAS ENGINE

  • Paired with the Allison 10-speed automatic transmission
  • 401 horsepower
  • 464 lb.-ft. of torque
  • Compression ratio of 10.8:1

ALLISON 10-SPEED TRANSMISSION

  • Close gear spacing that allows the engine to continually operate in an optimal range with varying load and terrain conditions
  • Available chain-driven Power Takeoff (PTO) feature (available with the available Duramax 6.6L Turbo-Diesel V8 engine on 4WD models), is offered straight from the factory on the Allison transmission, so you can transfer power from the engine to aftermarket equipment,* such as a generator or hydraulic pump

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DUAL ALTERNATORS

Available on both gas and diesel engines, the dual alternators can deliver a combined nominal rating of approximately 14 volts and 390 amps, and help power the tools your job requires.

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HILL START ASSIST

Momentarily engages the brake system to help prevent truck rollback when transitioning from brake to accelerator pedal or when parking on steep grades under certain conditions.

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PARK GRADE HOLD ASSIST

Helps prevent vehicle movement when shifting out of Park on a hill by automatically applying brakes at each wheel for an extended duration while trailering.

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STABILITRAK®

The electronic stability control system helps improve the chassis cab’s stability by detecting and helping reduce traction loss.

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DRIVER-FOCUSED SCREENS

2024 Sierra 3500 HD Chassis Cab offers an array of customizable screens that help keep you informed. This includes the available 13.4" Diagonal Center Touch-Screen and available 12.3" Diagonal Driver Information Center.

TECHNOLOGY

Stay confidently connected.

CUSTOMIZABLE SCREENS

An available 13.4" diagonal center touchscreen and available 12.3" diagonal digital Driver Information Center help keep you informed and entertained.

ONSTAR® BASICS*

Drive confidently with core OnStar services, including select remote commands,* Automatic Crash Response* and more to help you if you’re in need.

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FIND A GMC SIERRA CHASSIS CAB

The Sierra 3500 HD Chassis Cab provides a strong foundation for a wide variety of aftermarket upfits* to meet your specific business needs.

UPFIT* CHOICES

  • Dump Bed 
  • Flatbed
  • Utility/Service Body 
  • Platform/Stake Body 
  • Snowplow/Spreader 
  • Ambulance/Rescue Body  

SPECIALTY VEHICLE MANUFACTURERS

To help make the upfitting* process easier, General Motors can refer specialty vehicle manufacturers to you who are experienced with General Motors products and specialty applications. 

BUSINESS ELITE DEALERS

Work with a GMC Business Elite Dealer, and we’ll take the time to learn about your unique business challenges and offer you real solutions.

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SPEC HIGHLIGHTS

CREW CAB

The 2024 Sierra 1500 AT4 Crew Cab is offered in a 4WD configuration and can be equipped with a short or standard bed.

MAX AVAILABLE PAYLOAD

6,775 lbs.*

OVERALL LENGTH

270.3"

MAX GVWR

14,000 lbs.*

CAB-TO-AXLE LENGTH

60"

MAX AVAILABLE GCWR

40,000 lbs.*

GROUND CLEARANCE

8.1"

OVERALL HEIGHT

80.1"

WIDTH AT REAR AXLE

89.2" - 95.4"

REGULAR CAB

The 2024 Sierra 1500 AT4 Crew Cab is offered in a 4WD configuration and can be equipped with a short or standard bed.

MAX AVAILABLE PAYLOAD

7,329 lbs.*

OVERALL LENGTH

239.8"–264.2"

MAX GVWR

14,000 lbs.*

CAB-TO-AXLE LENGTH

60" or 84.5"

MAX AVAILABLE GCWR

40,000 lbs.*

GROUND CLEARANCE

8.1"

OVERALL HEIGHT

80.1"

WIDTH AT REAR AXLE

89.2" - 95.4"

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