EXTERIOR
INTERIOR
CAPABILITY
TECHNOLOGY & SAFETY

EXTERIOR
INTERIOR
CAPABILITY
TECHNOLOGY & SAFETY

EXTERIOR

MOVE MOUNTAINS

Engineered to be large and in charge, the monstrous exterior of the Sierra Heavy Duty was built big so you can tow big.

HEAVY DUTY HIGHLIGHTS

TRAILERING MIRRORS
SIDE BED STEP
DUAL PATH AIR INDUCTION SYSTEM
ADVANCED LIGHTING

TRAILERING MIRRORS

All Sierra Heavy Duty models are equipped with trailering mirrors
Sierra HD offers available 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
Available Power-adjustable trailering mirrors power extend, fold and retract at the touch of a button. Other features include:

    o Heated and auto-dimming upper glass (driver and passenger)
    o LED turn-signal indicators/clearance lamps
    o LED perimeter lighting
    o LED forward auxiliary task lighting

SIDE BED STEP

The standard Side Bed Step conveniently located just in front of the rear wheel arches complements the large CornerStep rear bumper to help provide easy access when grabbing equipment from the cargo bed.

DUAL PATH AIR INDUCTION SYSTEM

The available 6.6L Duramax^® Turbo-Diesel engine includes the Dual Path Air Induction System, which 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.

ADVANCED LIGHTING

LED headlamps (high-intensity on SLT, AT4 and Denali)
LED taillamps
LED daytime running lamps
Available LED fog lamps (available on SLE/standard on SLT, AT4 and Denali)
Available LED cargo bed lighting (available on SLE/standard on SLT, AT4 and Denali)
Wheel moulding amber arch lamps over each wheel
Available Roof Marker Lamps

TRAILERING MIRRORS

TRAILERING MIRRORS

All Sierra Heavy Duty models are equipped with trailering mirrors
Sierra HD offers available 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
Available Power-adjustable trailering mirrors power extend, fold and retract at the touch of a button. Other features include:

    o Heated and auto-dimming upper glass (driver and passenger)
    o LED turn-signal indicators/clearance lamps
    o LED perimeter lighting
    o LED forward auxiliary task lighting

SIDE BED STEP

SIDE BED STEP

DUAL-PATH AIR INDUCTION SYSTEM

DUAL-PATH AIR INDUCTION SYSTEM

ADVANCED LIGHTING

ADVANCED LIGHTING

LED headlamps (high-intensity on SLT, AT4 and Denali)
LED taillamps
LED daytime running lamps
Available LED fog lamps (available on SLE/standard on SLT, AT4 and Denali)
Available LED cargo bed lighting (available on SLE/standard on SLT, AT4 and Denali)
Wheel moulding amber arch lamps over each wheel
Available Roof Marker Lamps

AT4 HIGHLIGHTS

The Sierra AT4 pairs its powerful capabilities with a bold, athletic look, delivered by way of distinctive finishes and modern, precise detailing.

AVAILABLE AT4 HIGH CLEARANCE STEP

EXCLUSIVE EXTERIOR STYLINGS

VERTICAL RED RECOVERY HOOKS^†

Available accessories shown.

PREMIUM DENALI FEATURES

SIGNATURE DENALI GRILLE WITH CHROME INSERTS

2022 GMC Sierra HD Denali driving on the road.

CHROME 6” ASSIST STEPS

CHROME VERTICAL FRONT RECOVERY HOOKS^†, CHROME HANDLES AND CHROME MIRROR CAPS

2022 GMC Sierra HD Denali parked outdoors.

DUAL-PATH AIR INDUCTION SYSTEM WITH 6.6 DURAMAX^® DIESEL V8 ENGINE

2022 GMC Sierra HD Denali grille and insignia.

STANDARD 20” MULTI-DIMENSIONAL POLISHED ALUMINUM WHEELS (SRW MODELS ONLY)

MULTIPRO TAILGATE WITH PUSH BUTTON PANEL AND HITCH AREA LIGHTING

DENALI BLACK DIAMOND EDITION

FEATURED EDITION:

Power sunroof
Power-retractable assist steps with LED perimeter lighting
6.6L Duramax^®Turbo-Diesel V8 with Allison^®† 10-speed automatic transmission
Auxiliary Trailer Camera^†
MultiPro^TM Audio System by Kicker^®†
Premium all-weather floor liners with removable carpet inserts
Trailer Tire Pressure Monitor Sensors^†
Unique 20" high-gloss black painted aluminum wheels
Ebony Twilight Metallic exterior paint^†
Available with 2500 and 3500 single rear wheel

AVAILABLE GMC MULTIPRO™ TAILGATE

The GMC MultiPro^TM Tailgate offers six distinct functions designed to help improve loading, unloading and accessing the cargo box (standard on SLE, SLT, AT4 and Denali trims).

PRIMARY GATE
PRIMARY GATE LOAD STOP
EASY ACCESS
FULL-WIDTH STEP
INNER GATE LOAD STOP
INNER GATE WITH WORK SURFACE

PRIMARY GATE

Open the primary gate using the key fob’s power release from inside the truck or from a button on the gate.

PRIMARY GATE LOAD STOP

With the primary gate open, the load stop can help prevent items from sliding out of the bed.

EASY ACCESS

The inner gate folds down for easy access when loading and unloading the bed.

FULL-WIDTH STEP

After removing the conventional hitch, the inner gate folds into a large step for easy entry and exit from the bed (step holds up to 170 KG (375 LB.)).

INNER GATE LOAD STOP

The inner gate also includes a load stop to help prevent second-tier items from sliding out of the bed.

INNER GATE WITH WORK SURFACE

The opened inner gate provides a work surface as well as second-tier loading.

PRIMARY GATE

Open the primary gate using the key fob’s power release from inside the truck or from a button on the gate.

PRIMARY GATE LOAD STOP

With the primary gate open, the load stop can help prevent items from sliding out of the bed.

EASY ACCESS

The inner gate folds down for easy access when loading and unloading the bed.

FULL-WIDTH STEP

After removing the conventional hitch, the inner gate folds into a large step for easy entry and exit from the bed (step holds up to 170 KG (375 LB.).

INNER GATE LOAD STOP

The inner gate also includes a load stop to help prevent second-tier items from sliding out of the bed.

INNER GATE WITH WORK SURFACE

The opened inner gate provides a work surface as well as second-tier loading.

CARGO BED INNOVATIONS

BEST-IN-CLASS^† HEAVY DUTY CARGO BED VOLUME

Roll-formed high-strength steel bed floor
Best-in-class^† heavy-duty cargo box volume
Standard Bed: 1970 L (69.6 cu. ft.)^†
Long Bed: 2364 L (83.5 cu. ft.)^†
12 cargo tie-downs 227 KG (500 LB.) rating per corner
Available LED Lighting
Available durable spray-on bedliner

CORNERSTEP REAR BUMPER

In both corners of the rear bumper, large footwells, lined with an anti-slip texture and sized for large boots, helps make access to the cargo bed easier than ever. Standard on all Heavy-Duty models.

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