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New 2026 GMC Sierra 1500 AT4 Crew Cab

Stock #21787

Window Sticker

Chassis Details

Stock Number

21787

Stock Type

New

Year

2026

Make

GMC

Model

Sierra 1500

Class

GVWR

7,100

Drivetrain

4WD

Cab Type

Crew

Vehicle Trim

AT4

Interior Color

Jet Black with Kalahari accents, Perforated leather front seat trim

Seating Capacity

Exterior Color Description

Summit White

Engine Cylinder Count

Engine

6.2L EcoTec3 V8 engine

Transmission Type

Automatic

Fuel Type

Gasoline

Engine Model

L87

Engine Size (L)

6.2

Horsepower

420

Brake Type

Hydraulic

Vehicle Options

Floor covering, color-keyed carpeting
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
GMC Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UHX) Lane Keep Assist with Lane Departure Warning, and (UHY) Automatic Emergency Braking (Includes (T8Z) Buckle to Drive and (HS1) Safety Alert Seat.)
SiriusXM Trial Subscription
Air vents, rear
Glass, deep-tinted
Wireless, Apple CarPlay / Wireless Android Auto
Steering wheel, heated
In-Vehicle Trailering App System, includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module
Steering column, power rake and telescoping
Door handles, body-color
Adaptive Cruise Control
Automatic Stop/Start
Wipers, front rain-sensing
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.)
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
Steering column lock, electrical
Automatic Emergency Braking (Included and only available with (PDI) GMC Pro Safety.)
Grille (Black chrome grille insert bars with gloss black header and accents.)
Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
Cargo tie downs (12), fixed
Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
Headlamps, LED projectors with Fade-on/Fade-off animation, LED turn signals and Daytime Running Lamps
Pickup bed
Remote vehicle starter system
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Seat Belt Adjustable Guide Loops, front row only
Wheels, 20" x 9" (50.8 cm x 22.9 cm) machined aluminum with Carbon Grey Metallic accents (STD)
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Seats, ventilated driver and front passenger
Front Pedestrian Braking (Included and only available with (PDI) GMC Pro Safety.)
Lighting, perimeter
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Steering wheel audio controls
Driver memory recalls driver "presets" for power driver seat and outside mirrors
HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.
Window, power front, passenger express up/down
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Wheelhouse liners, rear (Deleted with (PCP) AT4 CarbonPro Edition.)
Battery, heavy-duty 850 cold-cranking amps/95 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) GMC Pro Safety.)
Seat trim, Perforated leather front
Air filter, heavy-duty
Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Hill Descent Control
Skid Plates
Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Theft-deterrent system, unauthorized entry
Lane Keep Assist with Lane Departure Warning (Included and only available with (PDI) GMC Pro Safety.)
Audio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes color touch-screen, 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 (STD)
Rear Seat Reminder
SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
Daytime Running Lamps, LED signature lighting
Brake lining wear indicator
Trailer Side Blind Zone Alert
USB Ports, 2, Charge/Data ports located inside center console
Mirror caps, high gloss Black
Keyless Open and Start includes remote keyless entry
Rear Pedestrian Alert
Hitch View with image adjustment, Pan/Zoom/Tilt
Door locks, power
Seat adjuster, driver 10-way power including lumbar
Premium Floor Liners with removable carpet insert, front
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
Bumper, front, body-color lower
Forward Collision Alert (Included and only available with (PDI) GMC Pro Safety.)
Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Seats, front bucket with center console (STD)
USB ports, (2) charge-only, rear
Electronic Precision Shift and steering column paddle shifters
Rear axle, 3.23 ratio
Push Button Start
Auto-locking rear differential
Steering, Electric Power Steering (EPS) assist, rack-and-pinion
Windows, power front, drivers express up/down
Air conditioning, dual-zone automatic climate control
Recovery hooks, Red
Wireless Charging
Bose Sound System, premium 7-speaker system with Richbass woofer
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)
Compass, located in instrument cluster
Seat adjuster, passenger 10-way power including lumbar
Premium Floor Liners with removable carpet insert, rear
USB Ports, 2 (first row) located on console
Tailgate, GMC MultiPro Tailgate with six functional load/access features
Exhaust, aluminized stainless-steel muffler and tailpipe
Capless Fuel Fill
Frame, fully-boxed, hydroformed front section
OnStar services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Bluetooth for phone, connectivity to vehicle infotainment system
Windows, power rear, express down
Trailer Camera Provisions and trailer viewing software
Steering wheel, wrapped
Front and Rear Park Assist, ultrasonic
Tailgate and bed rail protection caps, top
Defogger, rear-window electric
Rear Cross Traffic Braking
Safety Alert Seat (Included and only available with (PDI) GMC Pro Safety.)
CornerStep, rear bumper
Exterior Temperature Display, located in radio display
Bedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Deleted with (PCP) AT4 CarbonPro Edition. Crew Cab models are available with Ship Thru codes (VCO), (VDT), (VYC) or (VYS).)
Suspension, Off-Road with 2" factory installed lift and monotube shocks
Rear Seat Belt Indicator
Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
Fog lamps, LED
OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) GMC Pro Safety.)
Four wheel drive
Hitch Guidance
Seats, heated second row outboard seats
Bumper, rear body-color with corner steps
Seating, heated driver and front outboard passenger
Trailer brake controller, integrated
GVWR, 7100 lbs. (3221 kg)
Multicolor 15" Diagonal Head-Up Display
Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free
Cooling, external engine oil cooler
Universal Home Remote
AT4 Preferred Package
Rear Camera Mirror, inside rearview auto-dimming
AT4 Preferred Equipment Group
LPO, Off-Road High Clearance Steps
Window, power, rear sliding with rear defogger
Option/package discount
Engine, 6.2L EcoTec3 V8
AT4 Premium Package
LPO, Body color wheel arch moldings
Sunroof, power
Summit White
LPO, Rear underseat storage, composite storage bin
Jet Black with Kalahari accents, Perforated leather front seat trim
Emissions, Federal requirements
Active Exhaust, Dual, sport-mode enabled
Bed View Camera
Cooling, auxiliary external transmission oil cooler
Tire, spare 265/70R17SL all-season, blackwall
Tires, LT265/60R20 blackwall Goodyear Wrangler Territory MT
Transmission, 10-speed automatic with Electronic Precision shift, electronically controlled
Technology Package
Alternator, 170 amps
AT4 PREMIUM PACKAGE DISCOUNT
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