2021 GMC Sierra HD | Exterior Features | GMC Canada

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
  • 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 molding 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

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

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

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 molding 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  

PREMIUM DENALI FEATURES

SIGNATURE DENALI GRILLE WITH CHROME INSERTS  

CHROME 6” ASSIST STEPS  

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

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

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

MULTIPRO TAILGATE WITH PUSH BUTTON PANEL AND HITCH AREA LIGHTING  

NEW 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
  • MultiProTM Audio System by Kicker®†
  • Premium all-weather floor liners with removable carpet inserts
  • Premium rear 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 available GMC MultiProTM Tailgate offers six distinct functions designed to help improve loading, unloading and accessing the cargo box.

PRIMARY GATE

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

PRIMARY GATE LOAD STOP

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

EASY ACCESS

EASY ACCESS

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

FULL-WIDTH STEP

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

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

INNER GATE WITH WORK SURFACE

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

PRIMARY GATE

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

PRIMARY GATE LOAD STOP

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

EASY ACCESS

EASY ACCESS

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

FULL-WIDTH STEP

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

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

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.

NEXT STEPS

 

  • To avoid the risk of injury, never use Recovery Hooks to tow a vehicle. For more information, see the Recovery Hooks section of your Owner’s Manual.

  • Allison is a registered trademark of Allison Transmission, Inc.

  • Not compatible with all trailers. See your dealer for details.

  • Non-GM accessory. Warranty coverage, if any, varies. See your GM dealer for details.

  • Available on properly equipped vehicles. Does not monitor spare tire. Mobile app feature requires a select service plan.

  • Additional charge, premium paint.

  • Comparison based on wardsauto.com 2020 Large Pickup segment and latest competitive information available at the time of posting. Excludes other GM vehicles.

  • Cargo and load capacity limited by weight and distribution.

  • Manufacturer's Suggested Retail Price does not include freight, air conditioning charge or tire fee (if applicable). License, insurance, registration, fees associated with filing at movable property registry/PPSA, administration fees, duties and taxes extra. U.S. model shown. Image may not show the configurable options selected or available on the vehicle. Dealers are free to set individual prices. See dealer for details.

  • Manufacturer's Suggested Retail Price, includes freight, $100 air conditioning tax and dealer fees. License, insurance, registration, fees associated with filing at movable property registry/PPSA, administration fees, duties and taxes extra. Dealers are free to set individual prices. Image may not show the configurable options selected or available on the vehicle U.S. model shown. See dealer for details.

  • Requires 2WD Canyon Elevation Crew Cab short bed model with available Duramax 2.8L I4 Diesel engine, Driver Alert Package and Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual.  The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Requires 4WD SLT Crew Cab Standard Bed with available 6.2L V8 engine and Max Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Requires Sierra 3500 HD Regular Cab Long Bed 2WD DRW with available Duramax 6.6L Turbo-Diesel V8, Max Trailering Package and gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Requires available Duramax® 2.8L I4 Diesel engine (late availability). Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Requires Crew Cab short box with 5.3L V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Requires properly equipped Sierra 3500HD Crew Cab Long Box 4WD DRW with available Duramax 6.6L Turbo-Diesel V8 engine and fifth wheel or gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Savana’s 4536 kg (10,000 lb.) rating requires the available 6.6L V8 engine and trailering package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Savana’s 4354 kg (9,600lb.) rating requires a Regular Wheelbase model, available 6.0L V8 engine and trailering package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • When properly equipped, includes weight of vehicle and trailer combination, including the weight of driver, passengers, fuel, optional equipment and cargo in the vehicle and trailer.

  • Savana’s 4536 kg (10,000 lb.) rating requires the available 6.0L V8 engine and trailering package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

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