IMPORTANT RECALL INFORMATION: Before a Certified Pre-Owned vehicle is listed or sold, GM requires dealers to complete all safety recalls. However, because even the best processes can break down, we encourage you to check the recall status of any vehicle at my.gm.com/recalls.
Audio system feature, 6-speaker system (Requires Crew Cab model.)
Audio system, GMC Infotainment System with 7" diagonal color touch-screen, AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wired Android Auto and Apple CarPlay capability for compatible phones
Bluetooth for phone, connectivity to vehicle infotainment system
Bumper, front chrome lower
Bumper, rear, delete
Door handles, Black grained
Glass, solar absorbing, tinted
Grille (Chrome surround with Black mesh.)
Headlamps, LED reflector with incandescent turn signals and LED signature Daytime Running Lamps
Lamps, cargo area, cab mounted integrated with center high mount stop lamp with switch in bank on left side of steering wheel
Mirrors, outside high-visibility vertical trailering lower convex mirrors, manual-folding/extending (extends 3.31" [84.25mm]), molded in Black
Moldings, beltline, Black
Smoked Amber LED roof marker, (LED)
Spare tire delete. Deletes the spare tire and wheel.
Tires, LT235/80R17E all-season highway, blackwall
Wheel trim, painted center caps
Wheels, 17" (43.2 cm) painted steel
Air conditioning, single-zone
Air vents, rear (Not available with Regular Cab model.)
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Back-up alarm calibration. This calibration will allow installation of an aftermarket back-up alarm by disabling rear perimeter lighting
Door locks, power (Standard on Crew Cab models.)
Driver Information Center, 3.5" diagonal monochromatic display
Exterior Temperature Display, located in radio display
Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
Mirror, inside rearview, manual tilt
Power outlet, front auxiliary, 12-volt
Seat adjuster, driver 4-way manual
Seat adjuster, passenger 4-way manual
Seat, rear 60/40 folding bench (folds up), 3-passenger, (includes child seat top tether anchor) (Not available with Regular Cab model.)
Seats, front 40/20/40 split-bench with upper covered armrest storage and fixed lumbar (Standard on Crew Cab models only.)
Steering column, Tilt-Wheel, manual with wheel locking security feature
Steering wheel, urethane
USB ports, 2 (first row) located on instrument panel
Vinyl seat trim
Window, power front, drivers express up/down (Standard on Crew model.)
Window, power front, passenger express down (Standard on Crew Cab models.)
Windows, power rear, express down (Not available on Regular Cab models.)
Air filter, heavy-duty
Air filtration monitoring
Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
Auto-locking rear differential
Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
Body, Chassis Cab
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)
Four wheel drive
Frame, fully-boxed, hydroformed front section and an open "C" rear section
Fuel tank, front and rear, 63.5 gallon (240 liters)
GVWR, 14,000 lbs. (6350 kg)
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Recovery hooks, front, frame-mounted, Black
Steering, Recirculating Ball with smart flow power steering system
Transfer case, two-speed, electronic shift with push button controls (Requires 4WD models.)
Transmission, 6-speed automatic, heavy-duty
Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
Brake lining wear indicator
Daytime Running Lamps, LED signature lighting
Rear Seat Reminder (Requires Crew Cab model.)
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
10-Way Power Driver Seat Adjuster w/Lumbar
120-Volt Instrument Panel Power Outlet (400 watts)
ALTERNATOR, 220 AMPS (Included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine or (VYU) Snow Plow Prep Package. Free flow on (L8T) 6.6L V8 gas engine.) (KW5)
AUDIO SYSTEM, GMC INFOTAINMENT SYSTEM WITH 7" DIAGONAL COLOR TOUCH-SCREEN, AM/FM STEREO with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wired Android Auto and Apple CarPlay capability for compatible phones (STD) (IOR)
BATTERY, AUXILIARY, 730 COLD-CRANKING AMPS/70 AMP-HR (Requires (L8T) 6.6L V8 gas engine and either (KW5) 220-amp alternator or (KHF) dual alternators. Not available with (KW7) 170-amp alternator.) (K4B)
CONVENIENCE PACKAGE includes (AQQ) Remote Keyless Entry, (AKO) tinted glass, (C49) rear-window defogger, (DBG) outside power-adjustable vertical trailering with heated upper glass mirrors and (K34) cruise control (Not available with (ZLQ) Fleet Convenience Package.) (PCI)
CRUISE CONTROL, STEERING WHEEL-MOUNTED (Included with (PCI) Convenience Package or (ZLQ) Fleet Convenience Package.) (K34)
DEFOGGER, REAR-WINDOW ELECTRIC (Included with (PCI) Convenience Package.) (C49)
EMISSIONS, FEDERAL REQUIREMENTS (FE9)
ENGINE, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD) (L8T)
FUEL TANK, FRONT ONLY, 23.5 GALLON (89 LITERS) *CREDIT* (N2M)
GLASS, DEEP-TINTED (Included with (PCI) Convenience Package.) (AKO)
GMC 4G LTE and available built-in Wi-Fi hotspot offers a fast and reliable Internet connection for up to 7 devices; includes data trial for 1 month or 3GB (whichever comes first) Terms and limitations apply. See onstar.com or dealer for details.) (Included and only available with (UE1) OnStar. (VV4)
JET BLACK, CLOTH SEAT TRIM (Requires (ZLQ) Fleet Convenience Package or (PCI) Convenience Package.) (H0U)
LICENSE PLATE KIT, FRONT (will be forced on orders with ship-to states that require front license plate) (VK3)
MIRROR, INSIDE REARVIEW AUTO-DIMMING (Included and only available with (DWI) trailer mirrors.) (DD8)
MIRRORS, OUTSIDE POWER-ADJUSTABLE VERTICAL TRAILERING with heated and auto-dimming upper glass, lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/manual extending (extends 3.31" [84.25mm]), Black Includes (DD8) auto-dimming rearview mirror.) (Requires (ZLQ) Fleet Convenience Package or (PCI) Convenience Package. (DWI)
ONSTAR AND GMC CONNECTED SERVICES CAPABLE (Terms and limitations apply. See onstar.com or dealer for details.) (UE1)
POWER OUTLET, INSTRUMENT PANEL, 120-VOLT (400 WATTS) (Requires (ZLQ) Fleet Convenience Package or (PCI) Convenience Package.) (KI4)
REAR AXLE, 3.73 RATIO (Requires (L8T) 6.6L V8 gas engine.) (GT4)
REMOTE KEYLESS ENTRY (Included and only available with (ZLQ) Fleet Convenience Package or (PCI) Convenience Package.) (AQQ)
SEAT ADJUSTER, DRIVER 10-WAY POWER INCLUDING LUMBAR (Requires (H0U) Jet Black interior trim and (KI4) 110-volt AC power with (PCI) Convenience Package or (ZLQ) Fleet Convenience Package. (A2X)
SEATS, FRONT 40/20/40 SPLIT-BENCH with upper covered armrest storage and fixed lumbar (STD) (Standard on Crew Cab models only.) (AE7)
SIRIUSXM RADIO enjoy an All Access trial subscription with over 150 channels including commercial-free music, plus sports, news and entertainment. Plus listening on the SiriusXM app, online and at home on compatible connected devices is included, so you'll hear the best SiriusXM has to offer, anywhere life takes you. Welcome to the world of SiriusXM. (Requires (UE1) OnStar. IMPORTANT: The SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. 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. See the SiriusXM Customer Agreement at www.siriusxm.com for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com for details and limitations.) (U2K)
SKID PLATES protect the oil pan, front axle and transfer case (Included with (VYU) Snow Plow Prep Package.) (NZZ)
UPFITTER SWITCH KIT, (5) Provides 3-30 amp and 2 - 20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com. (9L7)
WORK TRUCK PREFERRED EQUIPMENT GROUP includes standard equipment (1SA)
Tax, title, license and dealer fees (unless itemized above) are extra. Not available with special finance or lease offers.
MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the Fuel Economy portion of the EPAs website for details, including a MPG recalculation tool).
The features and options listed are for the new 2021 GMC Sierra 3500HD CC and may not apply to this specific vehicle.
Whichever comes first, in addition to any remaining original factory Bumper-to-Bumper warranty. See participating dealer for limited warranty details.
Whichever comes first, from original in-service date. See participating dealer for limited warranty details.
During your powertrain limited warranty period, 6 years or 100,000 miles from new vehicle delivery, whichever comes first. Limitations apply. Roadside assistance provided by Allstate. See dealer for details.
Maintenance visits must occur within 2 years or 24,000 miles of vehicle delivery, whichever comes first. Does not include air filters. See participating dealer for other restrictions and complete details.
Eligible 2015 and newer vehicles receive 1 month of OnStar Safety & Security Plan coverage and 1 month of connected services, which includes navigation and Remote Access Plan, and 1 month or 3 GB of 4G LTE data (whichever comes first). Eligible 2011–2014 vehicles receive 1 month of OnStar Safety & Security Plan coverage and 1 month of connected services, which includes navigation services and Remote Access Plan. Services are subject to user terms and limitations, and capabilities vary by model. Certain services require working electrical system, cell service and GPS signal. OnStar links to emergency services. When you select a paid monthly plan within 15 days of activation, you’ll receive an additional 2 months of the plan you select at no additional charge. The 2-month extension must be redeemed within 15 days of activation date and requires that you enroll in a monthly service plan and associate a payment method on file. After trial expires, OnStar will automatically bill your payment method each month. Plans containing 4G LTE data will be billed every 30 days by AT&T. You may cancel at any time by pushing your blue OnStar button or by calling 1.888.466.7827. Data plans provided by AT&T. Availability subject to change. Mobile app features require automatic locks and factory-installed and enabled remote start system. See onstar.com for details and limitations.
Your SiriusXM service will automatically stop at the end of your trial unless you decide to subscribe. If you decide to continue service, the paid subscription plan you choose will automatically renew and you will be charged the rate in effect at that time and according to your chosen payment method. You may cancel at any time by calling 1-866-635-2349. See SiriusXM Customer Agreement for complete terms at siriusxm.com. Fees and programming subject to change.
Whichever comes first. Vehicle exchange only. Limitations apply. See dealer for details.
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