2023 SIERRA HD
PRO, SLE & SLT
AS SHOWN: $72,030†
AS SHOWN: MAX PAYLOAD 3,563 lbs†
AS SHOWN: AVAILABLE MAX TOWING 18,500 lbs†
STARTING AT
$42,700†
AVAILABLE TOW UP TO
36,000 LBS†
MAX PAYLOAD UP TO
7,442 LBS†
AVAILABLE MAX TORQUE UP TO
910 LB-FT†
Due to current supply-chain shortages, certain features shown have limited or late availability, or are no longer available. See the window label or a dealer regarding the features on an individual vehicle.
SIERRA HD PRO, SLE & SLT
CAPABILITY
Built strong to tow strong with up to 36,000 LBS† of max towing available. And its brakes and steering offer excellent control.
POWERFUL ENGINES & TRANSMISSIONS
Experience power and confidence with driving and trailering.
- Standard 6.6L V8 Gas Engine with 6-Speed Automatic Transmission
- 401 hp and 464 lb.-ft. of torque
- 6-speed automatic transmission
- Available 6.6L Duramax Turbo-Diesel V8 Engine with Allison 10-Speed Automatic Transmission
- 445 hp and 910 lb.-ft. of torque
- Large variable-speed cooling fan and dual path air induction system
AVAILABLE ALLISON 10-SPEED AUTOMATIC TRANSMISSION
- First HD in its class to offer Allison 10-speed automatic transmission
- Optimizes gear shifts for power, torque and efficiency
- Close gear spacing that allows the engine to always operate in an optimal range with varying load and terrain conditions
AVAILABLE AUTO ELECTRIC PARKING BRAKE
The auto electric parking brake is designed to:
- Assist for a more confident trailer hitch positioning
- Automatically apply the electric parking brake upon shifting into park
- Help avoid unintentional rolling
AVAILABLE DIGITAL VARIABLE STEERING ASSIST
- Help ease driver’s steering effort when maneuvering at low speeds
- Reduces the steering effort needed to return the heavy-duty truck to center
- Adapts to crowned road surfaces, reducing the need to correct steering over long stretches of uneven road
- Includes features to help with driving response, especially when trailering or when carrying a heavy load
AVAILABLE TRACTION SELECT WITH TOW/HAUL & OFF-ROAD MODE
- Allows you to quickly switch between multiple traction configurations to optimize powertrain calibrations, traction control settings and stability control system calibrations for a variety of conditions
- The system will retain the Tow/Haul setting configurations for up to 4 hours after the vehicle is turned off, eliminating the need to reengage the system when returning from a brief stop on a long journey
AVAILABLE 2-SPEED AUTOTRAC® TRANSFER CASE
- Provides seamless shifting between two- and four-wheel drive based on road conditions
- First heavy-duty truck in its class to offer a 2-speed AutoTrac® transfer case with an active automatic 4WD setting
EXTERIOR
The available Trailering Mirrors, available MultiPro Tailgate and standard Side Bed Step are just some of the many impressive highlights contributing to the 2023 Sierra Heavy Duty’s powerfully bold exterior.
WORLD’S FIRST SIX-FUNCTION GMC MULTIPRO TAILGATE
The available GMC MultiPro Tailgate offers six incredible functions. Standard on SLT and SLE. Available on Pro.
INTERIOR
SLT shown.
ENHANCED COMFORT
- Available heated steering wheel
- Available heated and ventilated leather-appointed front seats
- Available HVAC system with dual-zone climate control and rear-seat outlets
RIDE CONFIDENT
- The elevated driver seat lets you survey the road with confidence
- Offers comfortable cushions for enhanced support during long hauls and while towing
- Spacious interior features best-in-class† Crew Cab front head room (43.0") and leg room (44.5")
SMART REAR SEAT STORAGE
Convenient and spacious storage solutions include available rear seatback storage.
- Perfect for stowing a smartphone and your other road trip essentials
- Standard on SLT and available on SLE
- Not available on Sierra HD Pro
WIRELESS TECH
Leave your smartphone charging cords at home and stay charged on the go with the available wireless charging pad,† (not available on SLE and Sierra HD Pro).
- Excellent charging abilities
- Located within easy reach near the cup holders
- Helps keep your compatible smartphone charged and ready
TECH & SAFETY
This system of intelligent trailering technologies helps streamline the hitching and towing process with integrated tools that help you tow with confidence and control. Not available on Sierra HD Pro.
- Available In-Vehicle Trailering App†
- myGMC Mobile App† Trailering Features
- Smart Trailer Integration
Optimize the view around the truck and compatible trailers with up to 14 available camera views†, including:
- HD Surround Vision†
- Bed View Camera†
- Transparent Trailer View†
- Bed View with Zoom & Bed Hitch Guidance†
- Inside Trailer View†
Help enhance your awareness of the road and surrounding vehicles with the available suite of intelligent safety technologies† including:
- Available Forward Collision Alert (Shown)
- Available Lane Departure Warning
- Available Front & Rear Park Assist
- Available Automatic Emergency Braking
Receive 3-years of the OnStar and Connected Services Premium Plan with your new 2023 Sierra Heavy Duty (not available for Sierra HD Pro), including 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 and Security Plan includes access to the OnStar Guardian App†, Automatic Crash Response, Emergency Services, Crisis Assist, Roadside Assistance, and Stolen Vehicle Assistance.
SPEC HIGHLIGHTS
SIERRA 2500 HEAVY DUTY
GMC Sierra 2500 Heavy Duty truck comes in 2WD and 4WD Crew Cab models with a 6' 9" standard bed or available 8' long bed.
MAX 5TH WHEEL/GOOSENECK RATING†
18,500 LBS
MAX CONVENTIONAL TRAILERING†
18,500 LBS
MAX GCWR†
27,500 LBS
GROUND CLEARANCE
10.08"–10.12"
WHEELBASE
158.94"–172.00"
CARGO VOLUME
69.5–83.5 CU.FT.†
FRONT/REAR TREAD WIDTH
SRW: 68.17"/68.35"
GMC Sierra 2500 Heavy Duty truck comes in 2WD and 4WD Double Cab models with a 6' 9" standard bed or available 8' long bed.
MAX GCWR†
26,000 LBS
GROUND CLEARANCE
10.15"–10.19"
WHEELBASE
149.40"–162.48"
CARGO VOLUME
69.5–83.5 CU.FT.†
MAX 5TH WHEEL/GOOSENECK RATING†
18,200 LBS
MAX CONVENTIONAL TRAILERING†
14,500 LBS
FRONT TREAD/REAR TREAD WIDTH
68.17"/68.35"
GMC Sierra 2500 Heavy Duty truck comes in 2WD and 4WD Regular Cab models with an 8' long bed.
MAX GCWR†
26,000 LBS
GROUND CLEARANCE
10.19"
WHEELBASE
141.55"
CARGO VOLUME
83.5 CU.FT.†
MAX 5TH WHEEL/GOOSENECK RATING†
18,510 LBS
MAX CONVENTIONAL TRAILERING†
14,500 LBS
FRONT TREAD/REAR TREAD WIDTH
68.56"/68.72"
SPEC HIGHLIGHTS
SIERRA 3500 HEAVY DUTY
GMC Sierra 3500 Heavy Duty truck comes in 2WD and 4WD Crew Cab with either a 6' 9" standard bed or available 8' long bed. Long bed is available with an Single Rear Wheel or Dual Rear Wheel configuration
MAX CONVENTIONAL TRAILERING†
20,000 LBS
MAX 5TH WHEEL/GOOSENECK RATING†
31,400 LBS
MAX GCWR†
40,000 LBS
GROUND CLEARANCE
11.14"–11.18" SRW
10.39" DRW
WHEELBASE
158.94"–172.00"
CARGO VOLUME
69.5–83.5 CU.FT.†
FRONT/REAR TREAD WIDTH
SINGLE REAR WHEEL: 68.10"/68.30"
DUAL REAR WHEEL: 68.50"/75.00"
GMC Sierra 3500 Heavy Duty truck comes in 2WD and 4WD Double Cab with an 8' long bed Single Rear Wheel or Dual Rear Wheel configuration.
MAX GCWR†
40,000 LBS
GROUND CLEARANCE
11.18" SRW/10.39" DRW
WHEELBASE
162.48"
CARGO VOLUME
83.5 CU.FT.†
MAX 5TH WHEEL/GOOSENECK RATING†
31,500 LBS
MAX CONVENTIONAL TRAILERING†
20,000 LBS
FRONT TREAD/REAR TREAD WIDTH
68.17"/68.35"
GMC Sierra 3500 Heavy Duty truck comes in 2WD and 4WD Regular Cab with an 8' long bed Single Rear Wheel or Dual Rear Wheel configuration.
MAX GCWR†
43,900 LBS
GROUND CLEARANCE
11.22" SRW/10.47" DRW
WHEELBASE
141.55"
CARGO VOLUME
83.5 CU.FT.†
MAX 5TH WHEEL/GOOSENECK RATING†
32,000 LBS/36,000 LBS
MAX CONVENTIONAL TRAILERING†
20,000 LBS
FRONT TREAD/REAR TREAD WIDTH
68.56"/74.99"
SLT COLORS
Some features shown may have limited, late or no availability. See dealer for feature availability.
Some features shown may have limited, late or no availability. See dealer for feature availability.
Dark Walnut/Slate
Some features shown may have limited, late or no availability. See dealer for feature availability.
Some features shown may have limited, late or no availability. See dealer for feature availability.
Jet Black
GALLERY
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