2021 GMC Sierra 1500 AT4

• Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Deleted with (PCP) AT4 CarbonPro Edition. Double Cab and Crew Cab models are available with Ship Thru codes (VBE), (VCO), (VDT), (VYC) or (VYS).)
• Bumper, front, body-color lower (Front bumper color will be high gloss black.)
• Bumper, rear body-color with corner steps
• CornerStep, rear bumper
• Door handles, body-color
• Fog lamps, LED
• Glass, deep-tinted
• Grille (Body-color surround with high gloss Black mesh and Black chrome inserts. With (PCP) AT4 CarbonPro Edition the grille will have a unique grille surround with Black Chrome finish.)
• Headlamps, LED reflector (high intensity) with LED 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
• LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
• Mirror caps, high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)
• Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
• Tailgate and bed rail protection caps, top
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
• Tailgate, GMC MultiPro Tailgate with six functional load/access features
• Taillamps, LED signature taillight with LED stop and reverse light
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Tire, spare 265/70R17SL all-season, blackwall
• Tires, 265/65R18SL all-terrain, blackwall
• Wheel, 17 x 8 (43.2 cm x 20.3 cm) full-size, steel spare
• Wheelhouse liners, rear
• Wheels, 18 x 8.5 (45.7 cm x 21.6 cm) machined aluminum with Dark Grey accents

• 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
• Air conditioning, dual-zone automatic climate control
• Air vents, rear
• Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
• Audio system feature, 6-speaker system
• Audio system, Premium GMC Infotainment System with 8 diagonal color touch-screen, includes multi-touch display, AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (Note: (PZ8) Hitch Guidance with hitch view is included with trim. Includes SiriusXM with 360L.)
• Bluetooth for phone connectivity to vehicle infotainment system
• Brake lining wear indicator
• Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Compass, located in instrument cluster
• Cruise control, steering wheel-mounted
• Defogger, rear-window electric
• Door locks, power
• Driver Information Center, 4.2 diagonal color display includes driver personalization
• Driver memory recalls driver presets for power driver seat and outside mirrors
• Exterior Temperature Display, located in radio display
• Floor covering, color-keyed carpeting
• GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
• HD Radio (Standard on vehicles built before 7-12-2021. Certain vehicles built on or after 7-12-2021 will include (RG0) Not Equipped with HD Radio, which removes (U2L) HD Radio. See dealer for details.)
• In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics
• Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
• Keyless open and start
• Mirror, inside rearview auto-dimming
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Power outlet, front auxiliary, 12-volt
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• Power outlet, rear auxiliary, 12-volt
• Premium Floor Liners with removable carpet insert, front
• Premium Floor Liners with removable carpet insert, rear
• Remote vehicle starter system
• Seat adjuster, driver 10-way power including lumbar
• Seat adjuster, passenger 10-way power including lumbar
• Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
• Seating, heated driver and front outboard passenger
• Seats, front bucket with center console
• Seats, ventilated driver and front passenger
• SiriusXM Radio
• SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favorites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (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.)
• Steering column, lock control, electrical
• Steering column, manual Tilt-Wheel and telescoping
• Steering wheel audio controls
• Steering wheel, heated
• Steering wheel, leather-wrapped
• Theft-deterrent system, unauthorized entry
• USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
• USB ports, 2 (first row) located on instrument panel
• USB ports, dual, charge-only (2nd row)
• Window, power front, passenger express up/down
• Windows, power front, drivers express up/down
• Windows, power rear, express down
• Wireless Phone Projection, for Apple CarPlay and Android Auto

• Air filter, heavy-duty
• Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
• Auto-locking rear differential
• Automatic Stop/Start (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 that are equipped with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content. See dealer for details)
• Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine, (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Capless Fuel Fill
• Cargo tie downs (12), fixed, rated at 500 lbs per corner
• Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
• Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
• Engine, 5.3L EcoTec3 V8 (355 hp [265 kW]
• Exhaust, aluminized stainless-steel muffler and tailpipe
• Exhaust, dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
• Four wheel drive
• Frame, fully-boxed, hydroformed front section
• GVWR, 7000 lbs. (3175 kg) (Requires Crew Cab model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
• Hill Descent Control
• Pickup bed
• Rear axle, 3.23 ratio
• Recovery hooks, Red
• Skid plates
• Steering, Electric Power Steering (EPS) assist, rack-and-pinion
• Suspension, Off-Road with 2 factory installed lift and monotube shocks
• Trailer brake controller, integrated
• Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
• Transmission, 10-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content.)

• 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.)
• Daytime Running Lamps, LED signature lighting
• HD Rear Vision Camera
• Hitch Guidance
• Hitch Guidance with hitch view with Image adjustment, Pan/Zoom/Tilt
• OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)
• Rear seat reminder
• 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)

Model Highlights

The GMC Sierra 1500 comes in six different drivetrain configurations and one of five distinct body styles - regular cab with a long or standard bed, crew cab with a short or standard bed, and double cab with a standard bed. Beyond that, the 1500 can be equipped with configurations that include a 4.3L V6 that produces 285 horsepower, a 2.7L turbocharged 4-cylinder that makes 310 horsepower and 348 pound-feet of torque, a 5.3L V8 making 335 horsepower and 383 lb.-ft of torque and finally, a 3.0L inline-6 cylinder turbo diesel making 277 horsepower and 460 lb.-ft of torque. The Sierra also offers a powerful 6.2L Ecotec3 V8 delivering up to 420-horsepower and 460 lb.-ft of torque, also capable of offering a payload capacity of 9400 lbs. All 1500 and Sierras come with the option of 4-wheel drive except Denali where All-wheel drive is standard. Maximum tow ratings top out at 12,200 pounds when properly equipped. Trim levels for the 1500 come in five different flavors. Sierra, SLE, SLT, Elevation and Denali. In standard Sierra trim, the Sierra is fairly basic with automatic windows and door locks, air conditioning, Bluetooth, Apple CarPlay/Android Auto, two USB ports and Teen Driver Safety suite as standard equipment. SLE versions add OnStar, heated exterior mirrors, heated front seats, leather-wrapped heated steering wheel with audio controls, 8-inch touchscreen audio system with six speakers, dual-zone climate control, SiriusXM radio capability, cruise control, two 12V power sockets, four USB ports, remote keyless entry with remote engine start and a EZ Lift/Lower tailgate. The SLT trim includes leather upholstery seating, steering wheel mounted audio controls, power adjustable pedals and power-folding mirrors with tilt down function and GMC's MultiPro Tailgate. Denali versions come in only one trim level and in crew cab and short-bed. Regardless of bed-length, the Sierra Denali includes an 8-inch color touch screen, 7-speaker, wireless phone charger, six USB ports, ventilated driver/front passenger seats, a rear-camera mirror, a surround view camera system. The Denali also comes with a unique grill and other selected trim. Standard safety features on the Denali include blind spot warning, rear collision warning front/rear parking sensors, GMC's AT4 off-road model includes a 2-inch lift, off-road Rancho shock-absorbers, Goodyear Wrangler Territory tires, high-clearance step, a standard V8 with four-wheel drive and special tires for back roads. Available safety equipment includes front pedestrian braking, forward-collision alert, rear cross-traffic alert, lane-keep assist with lane-departure warning, automatic braking, and lane-change alert with blind-zone alert. However, more common items such as a rear seat entertainment system, a navigation system, wireless mobile device charging, a remote locking tailgate and a sunroof are also available on the Sierra.