• Best-in-class crew cab front head and leg room (max)
• More cargo bed volume than any competitor1
• LED headlamps with unique C-shape lighting
• Available World’s First Six-Function MultiPro™ Tailgate
• Premium heated, leather-appointed front outboard seating on SLT
• Available ProGrade™ Trailering System† with in-vehicle Trailering App2
• Available 3.0L Duramax Turbo Diesel engine with 10-speed automatic transmission
• 2-inch factory-installed suspension lift
World’s First Six-Function MultiPro™ Tailgate
• Distinct exterior design with black chrome accents
• Exclusive athletic, premium interior
• Available mud terrain-rated Goodyear® Wrangler DuraTrac® tires
• Available class-leading 15 camera views3
• Available 6.2L V8 and available 3.0L Duramax Turbo Diesel engine with 10-speed automatic transmission
• Available CarbonPro Edition with industry-first carbon fiber composite bed
• World’s First Six-Function MultiPro™ Tailgate
• Continuous Damping Adaptive Ride Control
• Available first-in-class 15" diagonal Head-Up Display and Rear Camera Mirror
• Available class-leading 15 camera views3
• Available Adaptive Cruise Control – Camera4
• Available 6.2L V8 and available 3.0L Duramax Turbo Diesel engine with 10-speed automatic transmission
• Available CarbonPro Edition with industry-first carbon fiber composite bed
Redesigned with larger and bolder proportions (up to 2" taller, 10" longer and 1" wider than the previous generation), the Next Generation Sierra Heavy Duty pickup truck was built big so you can tow big.
• Roll-formed high-strength steel bed
• Available durable spray-on bedliner
• 12 cargo tie-downs (500-lb rating per corner)
• Best-in-class heavy-duty cargo bed volume5
Standard Bed: 69.6 cu. ft.1
Long Bed: 83.5 cu. ft.2
The new standard Side Bed Step located just in front of the rear wheel arches complements the large CornerStep rear bumper to provide easier access when grabbing equipment from the cargo bed.
• LED headlamps (high-intensity on SLT)
• LED taillamps
• LED daytime running lamps
• Available LED fog lamps (standard on SLT)
• Available LED cargo bed lighting (standard on SLT)
• Wheel molding amber arch lamps over each wheel
The available 6.6L Duramax Turbo Diesel includes the dual-path Diesel Intake System draws dense, cool air through both the hood scoop and the large front grille to provide cooler induction air temperatures to maximize horsepower and help optimize trailering performance.
All Sierra Heavy Duty models are equipped with trailering mirrors.
Sierra HD SLE offers available black-capped trailering mirrors that power fold and manually extend and retract, LED rear guidance lamps that help enhance visibility when backing up with a trailer, lower convex mirrors, as well as amber auxiliary clearance lamps.
Enjoy elevated views from a cabin featuring best-in-class Crew Cab front head room (43.0") and leg room (44.5").
• Available leather-wrapped heated steering wheel
• Available heated front seats
• Available enhanced HVAC system with rear-seat outlets6
• Available heated rear outboard seating with nearly 3" of increased rear leg room on Crew Cab models (versus the previous generation)
Convenient and spacious storage solutions include available rear seatback storage and an available center console large enough to fit hanging folders or a laptop.
An elevated driver seat sits 1" taller than in the previous generation Sierra Heavy Duty and offers cushions that provide support during long hauls and while towing.
The comfortable interior offers premium materials such as real aluminum accents and an available heated leather-wrapped steering wheel (standard on SLT).
Available seating materials like vinyl, cloth and leather-appointed front seats to meet your heavy duty truck needs.
The Bose Premium Audio system supplies impressive sound through seven different speakers and a rich bass subwoofer (SLT trim only).
The first of its kind in a heavy-duty truck in its class, the all-new Allison 10-speed automatic transmission features closer gear spacing that allows the engine to operate in an optimal range at all times with varying load and terrain conditions. This, combined with fortified components used throughout Sierra Heavy Duty’s driveline, provides maximum torque to the wheels at all times.
A system of trailering technologies that streamline the hitching and towing process with integrated tools that help you tow with commanding control.
• in-vehicle Trailering App2 with phone companion app
• Smart Trailer Integration7
• Available class-leading 15 camera views8
To help with positioning, after backing up to a trailer hitch using Hitch View9, Sierra Heavy Duty will automatically apply the parking brake upon shifting into park to avoid unintentional rolling.
• Off-road suspension
• Twin-Tube Rancho® shocks
• Eaton® automatic locking rear differential
• Underbody skid plates
The Traction Select System allows you to quickly switch between multiple traction configurations, including Tow/Haul Mode and available Off-Road mode, to optimize powertrain calibrations, traction control settings and stability control system calibrations for a variety of terrain and driving 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 re-engage the system when returning from a brief stop on a long journey.
• Hitch platform to accept gooseneck and fifth-wheel hitch
• Hitch platform with tray to accept ball and stamped bed holes with removable caps installed
• Bed-mounted 7-pin trailer harness
• Bed View Camera9 with two wiring provisions for available accessory cameras
A multicolor 15" diagonal Head-Up Display available on Sierra HD SLT, the first in a heavy-duty pickup in its class, helps you keep your eyes on the road by conveniently projecting key information directly onto the windshield.
One of the available 15 camera views, the Bed View Camera shows a view of the cargo bed and includes two trailer camera provisions.
One of the available 15 camera views, Hitch View provides a zoomed-in view of the receiver hitch for precise alignment when connecting to a trailer with a conventional hitch.
Sierra Heavy Duty is designed to integrate ASA Electronics' iN∙Command® Control System with Global Connect7 and accessed through the myGMC mobile app11. The system allows owners to monitor and control a range of smart systems, such as water tank levels, HVAC controls and even power slide-outs, in compatible recreational trailers equipped with the technology12. Learn more about iN∙Command® Control System with Global Connect.
SiriusXM with 360L is the newest, most advanced SiriusXM entertainment experience ever offered in a GM vehicle. You get a variety of premium content including 200+ channels of commercial-free music, plus talk, entertainment, original programming, artist-dedicated channels and much more.
With Apple CarPlay™14 compatibility you can access iPhone features such as hands-free phone calls, messaging, Apple Music™, Apple Maps and more.
Android Auto15 seamlessly connects your compatible smartphone so you can get directions using Google Maps, listen to music via Google Play Music and more.
Front and Rear Park Assist provides distance alerts to nearby detected objects to help you park and avoid objects at low speeds.
Safety Alert Seat provides you the option of getting seat vibration pulses on the driver seat-bottom instead of beeps for crash avoidance alerts.
Rear Cross Traffic Alert can alert you to detected left- or right-cross traffic behind you when in Reverse.
Following Distance Indicator can provide you with the following gap time (or headway) to a moving vehicle you are detected to be following to help you know if you are following much too closely.
Lane Departure Warning can provide alerts to help you avoid crashes due to unintentionally drifting out of your lane when your turn signal is not activated.
Forward Collision Alert can alert you when it detects a front-end collision is imminent with a vehicle ahead you are following. The system also can alert you if you are following a detected vehicle much too closely.
