2021 GMC Sierra 1500 AT4 Pickup 4D 6 1/2 ft
VIN: 3GTU9EET9MG378861
Stock 378861






City: 22 / Hwy: 26











Crew Cab Pickup


Four Wheel Drive


Straight 6 Cylinder Engine


Automatic, 10-Spd w/Overdrive


AT4 Pickup 4D 6 1/2 ft
Dealer Notes
Thank you for allowing us to serve you for your automotive needs. This White 2021 GMC Sierra 1500 Crew Cab AT4 Pickup 4D 6 1/2 ft would be a welcomed addition to your family/business. This Sierra 1500 Crew Cab has the following options. This Sierra 1500 Crew Cab has the following features.


  • Cruise control with steering wheel mounted controls. Set it and forget it. Road trips used to be stressful, until cruise control set the pace. Simply set the desired speed using the steering wheel mounted controls and it will maintain that speed without driver intervention. This can help minimize driver fatigue and improve overall fuel economy. Resting your right foot is right at your fingertips thanks to cruise control with steering wheel mounted controls.

Safety and Security

  • Rear camera - Watching your back! The rear camera helps you see obstacles and hazards you otherwise couldn't by showing enhanced images of what is behind you. The rear camera is an extra set of eyes that's both convenient and safe.
  • Brake assist - Stop right there. Something jumps out into the middle of the road and you need to stop now! With brake assist, you will. It uses the speed of the brake pedals travel to sense panic braking, then applies all available power to boost your stopping power. Brake assist can stop the accident before it is one.

Technology and Telematics

  • Smart device mirroring - Smartphone, meet smart car. You can control your device through your vehicle's infotainment system. Smart device mirroring brings together safety and convenience by making it easier to find what you're looking for while keeping your eyes on the road.
  • Mobile hotspot - WiFi on the fly. Connect your devices to the Internet through your vehicles private mobile hotspot and take the internet wherever your journey takes you, without eating up your data allowance. Find the hotspot with mobile hotspot.

AT4 Preferred Package

  • Power Sliding Rear Window with Rear Defogger
  • Premium GMC Infotainment System Radio with Navigation
  • Wireless Charging
  • Universal Home Remote
  • Premium Bose 7-Speaker Sound System

Preferred Equipment Group 4SB

  • GMC Connected Access Capable
  • Power Front Passenger Windows with Express Up/down
  • Power Rear Windows with Express Down
  • Deep-Tinted Glass
  • Keyless Open and Start
  • Power Door Locks
  • Power Front Windows with Driver Express Up/down
  • Rear Wheelhouse Liners
  • Color-Keyed Carpeting Floor Covering
  • Front Premium Floor Liners with Removable Carpet Insert
  • Remote Vehicle Starter System
  • Electric Rear-Window Defogger
  • Spray-On Pickup Bed Liner with AT4 Logo
  • Compass
  • Floor-Mounted Center Console
  • Auto-Locking Rear Differential
  • Body-Color Surround Grille
  • Premium GMC Infotainment System Radio with Multi-Touch
  • Hill Descent Control
  • Integrated Trailer Brake Controller
  • Heavy-Duty Air Filter
  • Heated Driver and Front Outboard Passenger Seating
  • 120-Volt Instrument Panel Power Outlet
  • Auxiliary External Transmission Oil Cooler
  • 12-Volt Rear Auxiliary Power Outlet
  • Ventilated Driver and Front Passenger Seats
  • 170 Amp Alternator
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • Electrical Lock Control Steering Column
  • Manual Tilt-Wheel and Telescoping Steering Column
  • 2-Speed Transfer Case
  • Skid Plates
  • ProGrade Trailering System
  • 18" X 8.5" Machined Aluminum Wheels
  • 4.2" Diagonal Color Display Driver Info Center
  • OnStar and GMC Connected Services Capable
  • LED Cargo Area Lighting
  • Red Recovery Hooks
  • Steering Wheel Audio Controls
  • Rear Dual USB Charging-Only Ports
  • Theft Deterrent System (unauthorized Entry)
  • HD Rear Vision Camera
  • 4G LTE Wi-Fi Hotspot Capable
  • 265/65R18SL AT BW Tires
  • Off-Road Suspension
  • Trailering Package
All CarFinder's vehicles go through a 180 point mechanical inspection. They have been serviced, reconditioned and professionally detailed. To be sure you don't miss out, why not call us at 770-446-7969 and schedule a test drive. We are located at 5345 Oakbrook Parkway Norcross GA 30093. We look forward to seeing you soon.
4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Mirror caps, high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)
Bumper, rear body-color with corner steps
Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Wheelhouse liners, rear
Bumper, front, body-color lower (Front bumper color will be high gloss black.)
Door handles, body-color
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Fog lamps, LED
Taillamps, LED signature taillight with LED stop and reverse light
CornerStep, rear bumper
Glass, deep-tinted
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Tailgate and bed rail protection caps, top
Tailgate, GMC MultiPro Tailgate with six functional load/access features
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.)
Call for details.
Suspension, Off-Road with 2" factory installed lift and monotube shocks
Four wheel drive
Air filter, heavy-duty
Rear axle, 3.23 ratio
Skid plates
Auto-locking rear differential
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.)
Exhaust, aluminized stainless-steel muffler and tailpipe
Steering, Electric Power Steering (EPS) assist, rack-and-pinion
Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Brake lining wear indicator
Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Exhaust, dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
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)
Pickup bed
Frame, fully-boxed, hydroformed front section
Capless Fuel Fill
Trailer brake controller, integrated
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Recovery hooks, Red
GVWR, 7000 lbs. (3175 kg) (Requires Crew Cab model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
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.)
Hitch Guidance
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.)
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
GMC Connected Access capable (Subject to terms. 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

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