2020 Sierra Heavy Duty

Sierra Heavy Duty 2020 GMC

Starting At $40,000*

MAX Torque Up To 910 LB-FT**

Horsepower 445 hp

GMC Sierra Heavy Duty Trims Find out which one is the right fit for your lifestyle.

HD, SLE & SLT From $40,000*

• 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

HD AT4 From $57,700*

• 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

HD DENALI From $63,700*

• 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

STANDOUT DESIGN AND CAPABILITY

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.

What's Your Style? The choice is yours.

Summit White Cardinal Red Onyx Black Pacific Blue Metallic Quicksilver Metallic Carbon Black Metallic Dark Sky Metallic Brownstone Metallic Red Quartz Tintcoat White Frost Tricoat

Summit White

Discover More About The GMC Sierra Heavy Duty Services and features to keep you and your loved ones fully prepared out on the road.

BEST-IN-CLASS HEAVY-DUTY CARGO BED VOLUME

• 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

SIDE BED STEP

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.

ADVANCED LIGHTING

• 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

DUAL-PATH AIR INDUCTION SYSTEM

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.

NEW TRAILERING MIRRORS

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.

BEST-IN-CLASS CREW CAB FRONT HEAD AND LEG ROOM1

Enjoy elevated views from a cabin featuring best-in-class Crew Cab front head room (43.0") and leg room (44.5").

ENHANCED COMFORT

• 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)

INNOVATIVE CARGO SOLUTIONS

Convenient and spacious storage solutions include available rear seatback storage and an available center console large enough to fit hanging folders or a laptop.

ELEVATED DRIVER SEATING

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.

PREMIUM FINISHES

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.

AVAILABLE BOSE® PREMIUM AUDIO SYSTEM

The Bose Premium Audio system supplies impressive sound through seven different speakers and a rich bass subwoofer (SLT trim only).

AVAILABLE ALLISON® 10-SPEED AUTOMATIC TRANSMISSION

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.

AVAILABLE PROGRADE™ TRAILERING SYSTEM

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

AVAILABLE AUTO ELECTRIC PARKING BRAKE

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.

AVAILABLE X31 OFF-ROAD PACKAGE

• Off-road suspension
• Twin-Tube Rancho® shocks
• Eaton® automatic locking rear differential
• Underbody skid plates

AVAILABLE TRACTION SELECT SYSTEM WITH OFF-ROAD AND TOW/HAUL MODE

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.

AVAILABLE GOOSENECK/FIFTH-WHEEL PREP PACKAGE

• 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

AVAILABLE MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY

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.

AVAILABLE BED VIEW CAMERA10

One of the available 15 camera views, the Bed View Camera shows a view of the cargo bed and includes two trailer camera provisions.

AVAILABLE HITCH VIEW CAMERA10

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.

AVAILABLE SMART TRAILER INTEGRATION

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.

AVAILABLE SIRIUSXM® 360L13

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.

APPLE CARPLAY™ & ANDROID AUTO™ COMPATIBILITY

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.

AVAILABLE FRONT AND REAR PARK ASSIST

Front and Rear Park Assist provides distance alerts to nearby detected objects to help you park and avoid objects at low speeds.

AVAILABLE SAFETY ALERT SEAT16

Safety Alert Seat provides you the option of getting seat vibration pulses on the driver seat-bottom instead of beeps for crash avoidance alerts.

AVAILABLE REAR CROSS TRAFFIC ALERT

Rear Cross Traffic Alert can alert you to detected left- or right-cross traffic behind you when in Reverse.

AVAILABLE FOLLOWING DISTANCE INDICATOR16

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.

AVAILABLE LANE DEPARTURE WARNING16

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.

AVAILABLE FORWARD COLLISION ALERT16

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.

Disclaimers:
*The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details.
**Requires available Duramax 6.6L Turbo-Diesel V8 engine.
^Premium color available at an additional cost.
^^Premium color available at an additional cost. Late Availability.
^^^Premium color available at an additional cost. Not available on base Sierra or SLE trims.
1Excludes other GM vehicles.
2App functionality and features vary with vehicle equipment and trim level. Data connection may be required. Some features require active service plan and working electrical system. Terms and limitations apply.
3Read the vehicle Owner’s Manual for important feature limitations and information. Some camera views require available accessory camera and installation. Not compatible with all trailers. See your dealer for details.
4Read the vehicle’s Owner’s Manual for important feature limitations and information.
5Cargo and load capacity limited by weight and distribution.
6Rear-seat HVAC outlets available on Double and Crew Cab models only.
7iN•Command® is provided by ASA Electronics and is designed to operate within 30 feet of the trailer. Works with trailers equipped with iN•Command® Control Systems with Global Connect via Bluetooth connection. Control and monitoring functionality varies by trailer manufacturer, model, and installed options. Use of the iN•Command® Controls Systems feature through the myGMC mobile app requires an active service plan. User terms apply. See onstar.com for details and limitations.
8Excludes other GM vehicles. Read the vehicle Owner’s Manual for important feature limitations and information. Some camera views require available accessory camera and installation. Not compatible with all trailers. See your dealer for details.
9Read the vehicle’s Owner’s Manual for important feature limitations and information.
10Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle in a safe manner. The driver should remain attentive to traffic, surroundings and road conditions at all times. Visibility, weather, and road conditions may affect feature performance. Read the vehicle's Owner's Manual for more important feature limitations and information.
11Available on select Apple® and AndroidTM devices. Service availability, features and functionality are subject to limitations and vary by vehicle, device, and the plan you are enrolled in. Device data connection required. Visit onstar.com for more details.
12Actual iN•Command® functionality may vary with the smart trailer integration.
13SiriusXM audio and data services each require a subscription sold separately, or as a package, by Sirius XM Radio Inc. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. Please see the SiriusXM Customer Agreement at www.siriusxm.com for complete terms and how to cancel, which includes calling SiriusXM at 1-866-635-2349. All fees, content and features are subject to change. Traffic information not available in all markets. SiriusXM, Automatic, Pandora and all related logos are trademarks of Sirius XM Radio Inc. and its respective subsidiaries.
14Vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks of Apple Inc, registered in the U.S. and other countries.
15Vehicle user interface is a product of Google and its terms and privacy statements apply. Requires the Android Auto app on Google Play and an Android compatible smartphone running Android™ 5.0 or higher. Data plan rates apply. Google, Android, Google Play and Android Auto are trademarks of Google LLC.
16SLT trim only

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