Sierra HD

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New Sierra HD

We had one mission - to help you achieve more and do it all with greater confidence. The Next Generation Sierra Heavy Duty is engineered to by stronger with maximum trailering capability. And smarter with the all-new available ProGrade Trailering System and the confidence it offers - when hooking up your trailer, while on the road and when backing your trailer into place. Along with the other available innovations below, Sierra Heavy Duty is engineered for heavy-duty power, poise and presence.

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Sierra HD Models

Sierra HD SLE:

Standard features include:

All-new 6.6L gas V8 engine with 6-speed automatic transmission
Automatic locking rear differential
StabiliTrak with Traction Control
Hill Start Assist
Duralife brake rotors
Chrome grille, bumpers and window surround
Best-in-class HD cargo bed volume
12 total cargo tie-downs, rated at 227 kg (500 lb.) per corner
Side Bed Step and CornerStep rear bumper
7-in. diagonal GMC Infotainment System
Apple CarPlay and Android Auto compatibility
Rear air vents on Double and Crew Cab models
LED headlamps and tail lamps with signature C-shape design
Available remote keyless entry, cruise control, LED cargo box lighting and 120V bed outlet.
Leather-wrapped steering wheel
Remote keyless entry

Sierra HD SLT:

SLT includes SLE standard features, plus these and more:

All-new 6.6L gas V8 engine with 6-speed automatic transmission
GMC MultiPro Tailgate - world's first six-function tailgate
ProGrade Trailering System with in-vehicle Trailering App
Traction Select System with Tow/Haul Mode
Electronic 2-speed AutoTrac transfer case (4WD models only)
Automatic locking rear differential
Digital Variable Steering Assist
Best-in-class HD cargo bed volume
12 total cargo tie-downs, rated at 227 kg (500 lb.) per corner
Side Bed Step and CornerStep rear bumper
Premium GMC Infotainment System with customization profiles and 8-in. diagonal touch-screen
Heated, 10-way power leather-appointed Outboard front seats
Heated, leather-wrapped steering wheel
Rear seatback storage

Sierra HD AT4:

Features include:

All-new 6.6L gas V8 engine with 6-speed automatic transmission
Available 6.6L Duramax Turbo Diesel V8 with Allison 10-speed automatic transmission
Off-road suspension, Rancho shocks and skid plates
18" all-terrain tires and available 20" all-terrain tires
Black chrome grille inserts with high-gloss-black grille surround
Red front recovery hooks
High-intensity LED headlamps and LED tail lamps
GMC MultiPro Tailgate -world's first six-function tailgate
ProGrade Trailering System with In-Vehicle Trailering App
Traction Select System with Off road mode and Tow/Haul mode
Electronic 2-speed AutoTrac Transfer Case
Digital Variable Steering Assist
Best-in-class HD cargo bed volume
12 total cargo tie-downs, rated at 227 kg (500 lb.) per corner
Spray-on bedliner with AT4 logo
Side Bed Step and CornerStep rear bumper
Premium GMC Infotainment System with customization profiles and 8-in. diagonal touch-screen
Heated and ventilated leather-appointed 10-way power front seats and heated rear outboard rear seats

Sierra HD Denali:

Features include:

Available 6.6L Duramax Turbo Diesel V8 with Allison 10-speed automatic transmission
Chrome front recovery hooks
High-intensity LED headlamps and LED tail lamps
GMC MultiPro Tailgate - world's first six-function tailgate
ProGrade Trailering System with In-Vehicle Trailering App
Traction Select System with Tow/Haul mode
Off-road suspension, Rancho shocks and skid plates
20" Polished Aluminum wheels with All Terrain Tires (SRW)
Electronic 2-speed AutoTrac Transfer Case
Digital Variable Steering Assist
Best-in-class HD cargo bed volume
12 total cargo tie-downs, rated at 227 kg (500 lb.) per corner
Spray-on bedliner with Denali logo
Side Bed Step and CornerStep rear bumper
Premium GMC Infotainment System with Navigation System, customization profiles and 8-in. diagonal touch-screen
Bose premium sound system
Authentic perforated Forge leather-appointed seating and open-pore ash wood trim
Heated and ventilated front seats and heated outboard rear seats
Heated, leather-wrapped steering wheel

Top Features:

Trailering System:

The Next Generation Sierra HD is engineered to optimized your trailering experience with the available ProGrade Trailering System. This is a suite of intelligent technologies, including an available in-vehicle trailering app and an available camera package that helps give you a sense of control to hitch and tow with confidence.

Available In-Vehicle Trailering App
Available Phone Companion App
Trailer Light Sequence Test
Available Hitch Guidance with Hitch View

Advanced Power:

All-New 6.6L V8 Gas Engine

401 hp
464 lb.-lb. of torque
Compression Ratio of 10.75:1
Valve Train: overhead-valve, two valves per cylinder, variable valve timing
6-speed automatic, heavy-duty automatic transmission

Available 6.6L Duramax Turbo Diesel V8

445 hp
910 lb.-ft. of torque
Compression Ratio of 16:1
Diesel Exhaust Brake System
Valve Train: overhead-valve, four valves per cylinder
Allison 10-speed automatic transmission

Cargo Box Volume

Best-In-Class Heavy Duty Cargo Bed Volume with a roll-formed high-strength steel bed, durable spray-on bedliner, 12 cargo tie-downs (500-lb. rating per corner), best-in-class heavy-duty cargo bed volume, and Short Bed: 1,971L (69.6 cu. ft.) / Long Bed: 2,367 L (83.5 cu.ft.)

Camera Views

Class-leading available 15 camera views. Easily keep tabs on your truck and trailer with up to 15 different available camera views - the most offered on any heavy-duty pickup - to optimized the view around the truck and compatible trailers.

MultiPro Tailgate

Offers six distinct functions designed to improve loading, unloading and accessing the cargo box.

Primary gate - power release
Primary gate load stop - floor cargo
Easy access - inner gate folds down
Full - width step - inner gate folds into a large step
Inner gate load stop - second - tier cargo
Inner gate work surface

On The Side

New Side Bedstep: The new standard Side BedStep located just in front of the rear wheel arches complements the large CornerStep rear bumper to provide easier access when grabbing equipment from cargo bed.

New Trailering Mirrors: Power-adjustable Chrome capped trailering mirrors that power fold, extend and retract at the touch of a button. The door mounted mirror offer the following features to help improve visibility while trailering.

Traction Select

The Traction Select System allows you quickly switch between multiple traction configurations, including Off-Road mode and Tow/Haul mode, to help improve traction and control while driving on gravel or in muddy 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 or a long journey.

Sierra 2500 Heavy Duty Spec Highlights

Sierra 3500 Heavy Duty Spec Highlights

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