445 HP†
445 HP†
7,040 LBS.†
7,040 LBS.†
14,000 LBS.†
14,000 LBS.†
40,000 LBS.†
40,000 LBS.†
FEATURE HIGHLIGHTS
PROVEN POWERTRAINS AND CAPABILITY

6.6L V8 GAS ENGINE
- 401 HP
- 464 lb.-ft. of torque
- Compression Ratio of 10.75:1
- Valve Train: overhead-valve, two valves per cylinder, variable valve timing
- Paired with a 6-speed Automatic Transmission

AVAILABLE 6.6L DURAMAX® TURBO-DIESEL V8 ENGINE
- 445 HP
- 910 lb.-ft. of torque
- Compression Ratio of 16:1
- Diesel Exhaust Brake System
- Valve Train: overhead-valve, four valves per cylinder
- Factory-installed diesel engine after-run cooling function
- Paired with the Allison® 10-Speed Automatic Transmission

AVAILABLE ALLISON 10-SPEED AUTOMATIC TRANSMISSION
Features closer gear spacing that allows the engine to continually operate in an optimal range with varying load and terrain conditions. An available chain-driven Power Takeoff (PTO) feature 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†.
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.

STAY CONNECTED
The advanced technology offered inside the 2023 GMC Sierra 3500 HD Chassis Cab commercial truck helps keep you confidently connected to help you get the job done while on the road.
AVAILABLE ONSTAR® & GMC CONNECTED SERVICES
With the available three-year OnStar and Connected Services Premium Plan, your new 2023 Sierra 3500 HD Chassis Cab includes the Connected Vehicle Plan† and the OnStar Safety & Security Plan.†
- Connected Vehicle Plan includes connectivity for available In-Vehicle apps,† Remote Access Plan† and In-Vehicle Wi-Fi Hotspot† data.
- OnStar Safety & Security Plan includes access to the OnStar Guardian App,† Automatic Crash Response,† Emergency Services,† Crisis Assist,† Roadside Assistance† and Stolen Vehicle Assistance.†


AVAILABLE ONSTAR™ VEHICLE INSIGHTS
Get real-time vehicle information that can help you improve route planning, identify select service needs before they become an issue, get driver behavior data and more. Plus, OnStar Vehicle Insights† uses OnStar®† embedded hardware, so it’s available in most 2015 and newer GM vehicles and is waiting to be activated. It’s the simple way to gain real-time insights to help your business maximize operational efficiency and optimize productivity. Learn more about OnStar Vehicle Insights
UPFIT CHOICES
The Sierra 3500 HD Chassis Cab provides a strong foundation for a wide variety of aftermarket upfits† to meet your specific business needs.
DUMP TRUCK

Upfit† Options Include:
- Dump Bed
- Flatbed
- Utility/Service Body
- Platform/Stake Body
- Snowplow/Spreader
- Ambulance/Rescue Body
VIEW INVENTORY
FLATBED

Specialty Vehicle Manufacturers
To help make the upfitting process easier, General Motors can refer specialty vehicle manufacturers who are experienced with General Motors products and specialty applications
The site being linked to is provided by third-party resources to help you locate products with solutions that could work for your business. The vehicles on the site show equipment from an independent supplier which is not covered by the GM New Vehicle Warranty. GM is not responsible for the safety or quality of independent supplier alterations.