Learn About This 2026 Onyx Black GMC AT4X Sierra 1500 for Sale in Metro D.C., VIN = 3GTUUFE8XTG219507

• Rear axle, 3.23 ratio
• Pickup bed
• Push Button Start
• Air filter, heavy-duty
• Electronic Precision Shift and steering column paddle shifters
• Automatic Stop/Start
• Hill Descent Control
• Differential, driver-selectable full-locking front, e-locking
• Differential, driver-selectable full-locking rear, e-locking
• Transfer case, two-speed, electronic Autotrac with push button control (4WD models only) (Includes Terrain mode.)
• Suspension, Off Road with 2" factory installed lift and Multimatic DSSV dampers (Not available with 22" LPO wheels and tires.)
• Four wheel drive
• Frame, fully-boxed, hydroformed front section
• Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
• Trailer brake controller, integrated
• Skid Plates
• Cargo tie downs (12), fixed
• Steering, Electric Power Steering (EPS) assist, rack-and-pinion
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Capless Fuel Fill
• Exhaust, aluminized stainless-steel muffler and tailpipe

• Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) Painted aluminum with dark painted pockets
• Tires, LT275/70R18 blackwall Goodyear Wrangler Territory MT
• Tire, spare LT275/70R18 blackwall Goodyear Wrangler Territory MT
• Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) Gloss Black painted full-size, spare Aluminum
• Wheelhouse liners, rear
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Sunroof, power
• Front Bumper, AEV Stamped-steel high approach Front Bumper with heavy duty cast recovery points
• Bumper, rear body-color with corner steps (Not available with (ULV) AT4X AEV Edition. Bumper color is High Gloss Black on AT4X.)
• CornerStep, rear bumper (Not included with (ULV) AT4X AEV Edition.)
• Grille (Gloss Black header with Dark Nickel grille insert bars with gloss black accents.)
• Headlamps, LED projectors with Fade-on/Fade-off animation, LED turn signals and Daytime Running Lamps
• IntelliBeam, automatic high beam on/off (Included and only available with (PDI) GMC Pro Safety.)
• Fog lamps, LED
• Lighting, perimeter
• Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
• Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
• Mirror caps, high gloss Black
• Wipers, front rain-sensing
• Window, power, rear sliding with rear defogger
• Glass, deep-tinted
• 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
• Tailgate, GMC MultiPro Tailgate with six functional load/access features
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
• Tailgate and bed rail protection caps, top
• Door handles, body-color (Gloss Black with (ULV) AT4X AEV Edition.)
• Bedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Crew Cab models are available with Ship Thru codes (VCO), (VDT), (VYC) or (VYS).)
• LPO, MultiPro Tailgate Audio System by Kicker (dealer-installed)

• 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
• SiriusXM Trial Subscription
• 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.)
• Bose Premium Series with 12-speaker system with CenterPoint, Richbass woofer and AudioPilot
• Bluetooth® for phone, connectivity to vehicle infotainment system
• Wireless, Apple CarPlay / Wireless Android Auto
• Steering wheel audio controls
• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)

• Seats, front bucket with center console
• Seat trim, Full grain leather front
• Seat adjuster, driver 16-way power including lumbar and massage
• Seat adjuster, passenger 16-way power including lumbar and massage
• Seating, heated driver and front outboard passenger
• Driver memory recalls driver "presets" for power driver seat and outside mirrors
• Seats, ventilated driver and front passenger
• 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)
• Seats, heated second row outboard seats
• Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Floor covering, color-keyed carpeting
• Premium Floor Liners with removable carpet insert, front (Deleted with (ULV) AT4X AEV Edition.)
• Premium Floor Liners with removable carpet insert, rear (Deleted with (ULV) AT4X AEV Edition.)
• Steering column, power rake and telescoping
• Steering wheel, leather-wrapped
• Steering wheel, heated
• Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
• GMC Premium information Display- 13.4" diagonal Multicolor touch screen
• 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
• Compass, located in instrument cluster
• Exterior Temperature Display, located in radio display
• Multicolor 15" Diagonal Head-Up Display
• Windows, power front, drivers express up/down
• Window, power front, passenger express up/down
• Windows, power rear, express down
• Door locks, power
• Keyless Open and Start includes remote keyless entry
• Remote vehicle starter system
• Universal Home Remote
• Adaptive Cruise Control
• Theft-deterrent system, unauthorized entry
• Steering column lock, electrical
• Wireless Charging
• USB Ports, 2 (first row) located on console
• USB Ports, 2, Charge/Data ports located inside center console
• Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• USB ports, (2) charge-only, rear
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
• Air conditioning, dual-zone automatic climate control
• Air vents, rear
• Defogger, rear-window electric
• Rear Camera Mirror, inside rearview auto-dimming with full camera display
• Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted

• Automatic Emergency Braking (Included and only available with (PDI) GMC Pro Safety.)
• Front Pedestrian Braking (Included and only available with (PDI) GMC Pro Safety.)
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• Daytime Running Lamps, LED signature lighting
• 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.)
• OnStar services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
• 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.)
• Hitch View with image adjustment, Pan/Zoom/Tilt
• Hitch Guidance
• 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.
• Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen (Includes Trailer View Camera Provisions and Trailer Assist Guidelines.)
• Trailer Camera Provisions and trailer viewing software
• Front and Rear Park Assist, ultrasonic
• Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
• Forward Collision Alert (Included and only available with (PDI) GMC Pro Safety.)
• Lane Keep Assist with Lane Departure Warning (Included and only available with (PDI) GMC Pro Safety.)
• Trailer Side Blind Zone Alert
• Rear Cross Traffic Braking
• Rear Pedestrian Alert
• Safety Alert Seat (Included and only available with (PDI) GMC Pro Safety.)
• Seat Belt Adjustable Guide Loops, front row only
• 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.)
• Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
• Rear Seat Reminder
• Rear Seat Belt Indicator

ENGINE, DURAMAX 3.0L TURBO-DIESEL I6

• (305 hp [227 kW] @ 3750 rpm
• 495 lb-ft of torque [671 Nm] @ 2750 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater.) (STD)

• 3.23 Rear Axle Ratio
• Wheels: 18" x 8.5" Painted Aluminum
• Full Grain Leather Seat Trim
• 16-Way Power Driver Seat Adjuster w/Lumbar
• Off-Road Suspension
• Radio: Premium GMC Infotainment Audio System
• SiriusXM w/360L Trial Subscription
• Color-Keyed Carpeting Floor Covering
• Front Prem Floor Liners w/Removable Carpet Insert
• 120-Volt Interior Power Outlet
• Bed View Camera
• Power Sunroof
• Spray-On Pickup Bedliner w/GMC Logo
• LED Cargo Area Lighting
• MultiPro Tailgate Audio System by Kicker (LPO)
• Rear Wheelhouse Liners
• Trailering Package
• Trailer Tire Pressure Monitor System
• 220 Amp Alternator
• Heavy-Duty Air Filter
• Integrated Trailer Brake Controller
• Electric Rear-Window Defogger
• Deep-Tinted Glass
• Driver Memory
• Power Sliding Rear Window w/Rear Defogger
• 16-Way Power Passenger Seat Adjuster w/Lumbar
• Power Front Passenger Windows w/Express Up/Down
• Power Rear Windows w/Express Down
• Power Door Locks
• Keyless Open & Start
• Power Front Windows w/Driver Express Up/Down
• Rear Prem Floor Liners w/Removable Carpet Insert
• Push Button Start
• Remote Vehicle Starter System
• Front Rain-Sensing Wipers
• Hitch Guidance
• Floor-Mounted Center Console
• Driver-Selectable Full-Locking Front Differential
• Driver-Selectable Full-Locking Rear Differential
• Gloss Black Header w/Drk Nickel Grille Insert Bars
• Safety Alert Seat
• Hill Descent Control
• Wireless Charging
• Heated Driver & Front Outboard Passenger Seating
• Heated 2nd Row Outboard Seats
• 120-Volt Bed Mounted Power Outlet
• Ventilated Driver & Front Passenger Seats
• Power Rake & Telescoping Steering Column
• GMC Pro Safety
• Wireless Apple CarPlay/Wireless Android Auto
• Hitch View
• Buckle to Drive
• IntelliBeam Automatic High Beam On/Off
• Trailer Camera Provisions
• Perimeter Lighting
• 2 Charge/Data USB Ports Inside Center Console
• 2 USB Ports
• 2 Type-C Charge-Only Rear USB Ports
• Ultrasonic Front & Rear Park Assist
• OnStar Services Capable
• Following Distance Indicator
• In-Vehicle Trailering System App
• Forward Collision Alert
• Rear Cross Traffic Braking
• Universal Home Remote
• Lane Keep Assist w/Lane Departure Warning
• Automatic Emergency Braking
• Steering Wheel Audio Controls
• Front Pedestrian Braking
• Rear Pedestrian Detection
• Trailer Side Blind Zone Alert
• Bose Premium Series w/12-Speaker System
• Theft Deterrent System (Unauthorized Entry)
• HD Surround Vision
• Multicolor 15" Diagonal Head-Up Display
• Wi-Fi Hotspot Capable
• 12 Speakers
• Apple CarPlay/Android Auto
• Emergency communication system: OnStar
• AM/FM radio: SiriusXM with 360L
• Auto High-beam Headlights
• Compass
• Heads-Up Display
• Auto-dimming Rear-View mirror
• Ventilated front seats
• Variably intermittent wipers
• Trip computer
• Traction control
• Tilt steering wheel
• Telescoping steering wheel
• Steering wheel mounted audio controls
• Split folding rear seat
• Speed-sensing steering
• Speed control
• Security system
• Remote keyless entry
• Rear window defroster
• Rear step bumper
• Rear seat center armrest
• Rear reading lights
• Rain sensing wipers
• Radio data system
• Power windows
• Power steering
• Power passenger seat
• Power moonroof
• Power driver seat
• Power door mirrors
• Passenger vanity mirror
• Passenger door bin
• Panic alarm
• Overhead console
• Overhead airbag
• Outside temperature display
• Occupant sensing airbag
• Memory seat
• Low tire pressure warning
• Leather steering wheel
• Illuminated entry
• Heated steering wheel
• Heated rear seats
• Heated front seats
• Heated door mirrors
• Genuine wood door panel insert
• Genuine wood dashboard insert
• Garage door transmitter
• Fully automatic headlights
• Front wheel independent suspension
• Front reading lights
• Front fog lights
• Front dual zone A/C
• Front anti-roll bar
• Dual front side impact airbags
• Dual front impact airbags
• Driver vanity mirror
• Driver door bin
• Delay-off headlights
• Brake assist
• Block heater
• Automatic temperature control
• Auto-dimming door mirrors
• Alloy wheels
• ABS brakes
• Voltmeter
• Tachometer
• Navigation System
• Front Center Armrest
• Front Bucket Seats
• Electronic Stability Control
• Air Conditioning
• 4-Wheel Disc Brakes

• Mileage
• Fuel Economy Est-Combined (MPG): 19
• EPA Fuel Economy Est - City (MPG): 19
• EPA Fuel Economy Est - Hwy (MPG): 20
• Electrical
• Cold Cranking Amps @ 0° F (Primary): 850
• Maximum Alternator Capacity (amps): 220
• Cooling System
• Total Cooling System Capacity (qts): - TBD -
• Weight Information
• Gross Axle Wt Rating - Front (lbs): 3950
• Gross Axle Wt Rating - Rear (lbs): 3800
• Curb Weight - Front (lbs): 2846
• Curb Weight - Rear (lbs): 1982
• Gross Vehicle Weight Rating Cap (lbs): 7300
• Gross Combined Wt Rating (lbs): 15000
• Trailering
• Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
• Dead Weight Hitch - Max Tongue Wt. (lbs): 500
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 8500
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 850
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 5200
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 1300
• Maximum Trailering Capacity (lbs): 8700
• Suspension
• Suspension Type - Front: Independent
• Suspension Type - Rear: Solid Axle
• Spring Capacity - Front (lbs): 3950
• Spring Capacity - Rear (lbs): 3850
• Axle Type - Front: - TBD -
• Axle Type - Rear: - TBD -
• Axle Capacity - Front (lbs): 3950
• Axle Capacity - Rear (lbs): 3800
• Axle Ratio (:1) - Front: 3.23
• Axle Ratio (:1) - Rear: 3.23
• Shock Absorber Diameter - Front (mm): - TBD -
• Shock Absorber Diameter - Rear (mm): - TBD -
• Stabilizer Bar Diameter - Front (in): 1.30
• Brakes
• Brake Type: Pwr
• Brake ABS System: 4-Wheel
• Disc - Front (Yes or ): Yes
• Disc - Rear (Yes or ): Yes
• Front Brake Rotor Diam x Thickness (in): 13 x 1.18
• Rear Brake Rotor Diam x Thickness (in): 13.6 x 0.79
• Tires
• Front Tire Order Code: QFL
• Rear Tire Order Code: QFL
• Spare Tire Order Code: RHF
• Front Tire Size: LT275/70R18
• Rear Tire Size: LT275/70R18
• Spare Tire Size: LT275/70R18
• Front Tire Capacity (lbs): - TBD -
• Rear Tire Capacity (lbs): - TBD -
• Spare Tire Capacity (lbs): - TBD -
• Revolutions/Mile @ 45 mph - Front: N/A
• Revolutions/Mile @ 45 mph - Rear: N/A
• Revolutions/Mile @ 45 mph - Spare: N/A
• Wheels
• Front Wheel Size (in): 18 x 8.5
• Rear Wheel Size (in): 18 x 8.5
• Spare Wheel Size (in): 18 x 8.5
• Front Wheel Material: Aluminum
• Rear Wheel Material: Aluminum
• Spare Wheel Material: Aluminum
• Steering
• Steering Type: Electric Rack & Pinion
• Steering Ratio (:1), On Center: - TBD -
• Steering Ratio (:1), At Lock: - TBD -
• Turning Diameter - Curb to Curb (ft): 47.3
• Turning Diameter - Wall to Wall (ft): N/A
• Frame
• Frame Type: Hydroformed
• Fuel Tank
• Fuel Tank Capacity, Approx (gal): 24
• Fuel Tank Location: - TBD -
• Exterior Dimensions
• Wheelbase (in): 147.55
• Length, Overall (in): 233.96
• Width, Max w/o mirrors (in): 81.23
• Height, Overall (in): 78.65
• Overhang, Front (in): - TBD -
• Overhang, Rear w/o bumper (in): - TBD -
• Front Bumper to Back of Cab (in): - TBD -
• Cab to Axle (in): - TBD -
• Cab to End of Frame (in): - TBD -
• Ground to Top of Load Floor (in): - TBD -
• Ground to Top of Frame (in): - TBD -
• Frame Width, Rear (in): - TBD -
• Ground Clearance, Front (in): 11.5
• Ground Clearance, Rear (in): 11.1
• Cargo Area Dimensions
• Cargo Box Length @ Floor (in): 69.92
• Cargo Box Width @ Top, Rear (in): - TBD -
• Cargo Box Width @ Floor (in): 71.4
• Cargo Box Width @ Wheelhousings (in): 50.63
• Cargo Box (Area) Height (in): 22.4
• Tailgate Width (in): - TBD -
• Cargo Volume (ft³): 62.9
• Ext'd Cab Cargo Volume (ft³): - TBD -
• Interior Dimensions
• Passenger Capacity: 5
• Front Head Room (in): 43.03
• Front Leg Room (in): 44.53
• Front Shoulder Room (in): 64.54
• Front Hip Room (in): 60.78
• Second Head Room (in): 40.12
• Second Leg Room (in): 43.4
• Second Shoulder Room (in): 64
• Second Hip Room (in): 59.24
• Summary
• Vehicle Name: GMC Sierra 1500
• Body Style: Crew Cab Pickup
• Body Code: E63
• Emissions
• EPA Greenhouse Gas Score: 3
• Tons/yr of CO2 Emissions @ 15K mi/year: 8.7