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2021 GMC Sierra 1500 AT4



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  • $34,977 Live Market Price

  • Retail Price $39,535
  • Savings: -$4,558
  • Live Market Price $34,977

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Vehicle Information

VIN: 3GTU9EETXMG189958
Stock #: NTS1175A
Model Code: TK10543
  • Body Style Crew Cab Pickup - Short Bed
  • Exterior Color Dark Sky Metallic
  • Interior Color Jet Black
  • Mileage 83,565
  • Fuel Economy
    City/Highway 22/26 MPG
  • Engine 3.0L I6
  • Transmission Automatic / 4WD
  • Fuel Type Diesel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

The 2021 GMC Sierra 1500 AT4 Crew Cab 4WD blends off-road capability, premium comfort, and advanced technology in a rugged yet refined full-size truck. Its Duramax 3.0L Turbo-Diesel engine and 10-speed automatic transmission deliver smooth torque, strong towing power, and impressive efficiency. Inside, upscale materials and advanced tech features elevate the driving experience, while packages like AT4 Premium, Technology, and Driver Alert II enhance capability, connectivity, and safety. Available now at Ricart Automotive Used Car Factory.

AT4 Premium Package
Technology Package
Driver Alert Package II
Power Sunroof
Duramax 3.0L Turbo-Diesel Engine

Recent Arrival!


Dark Sky Metallic 2021 GMC Sierra 1500 AT4 4D Crew Cab 3.0L I6 22/26 City/Highway MPG 10-Speed Automatic 4WD


Experience Hassle-Free Shopping at Ricart:

- Premium Quality Assurance: Rest assured with our meticulous vehicle reconditioning, averaging over $1300 per car, ensuring your peace of mind when purchasing an used vehicle.

- Express Checkout for Time Efficiency: Streamline your purchase process by completing most of the deal remotely, whether from the comfort of your workplace or home, saving you valuable time.

- Unmatched Transparency: Prior to your purchase, gain full visibility into the service history of the vehicle, ensuring complete transparency and confidence in your decision.

- Competitive Pricing: We recognize the extensive research done by shoppers, hence we offer highly competitive prices online to match your needs and expectations.

- Exceptional Service by Exceptional People: Surround yourself with a team of friendly experts ready to address any inquiries. Recognized as one of the top workplaces for the past decade, Ricart ensures you enjoy great company throughout your vehicle purchase journey!

Eligible Benefits

All Features

  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • 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
  • 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.)
  • 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 wheel audio controls
  • Wireless Phone Projection, for Apple CarPlay and Android Auto
  • 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
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • 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, 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
  • 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
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • 170 Amp Alternator
  • 18" x 8.5" Machined Aluminum Wheels
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • 220 Amp Alternator
  • 3.23 Rear Axle Ratio
  • 4-Wheel Disc Brakes
  • 4.2" Diagonal Color Display Driver Info Center
  • 4G LTE Wi-Fi Hotspot Capable
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • 8" Driver Information Center
  • ABS brakes
  • AM/FM radio: SiriusXM with 360L
  • AT4 High Clearance Step (LPO)
  • AT4 Preferred Package
  • AT4 Premium Package
  • Adaptive Cruise Control
  • Air Conditioning
  • All-Weather Floor Liners w/AT4 Logo (LPO)
  • Alloy wheels
  • Apple CarPlay/Android Auto
  • Auto-Locking Rear Differential
  • Auto-dimming Rear-View mirror
  • Auto-dimming door mirrors
  • Automatic Emergency Braking
  • Automatic temperature control
  • Bed View Camera
  • Body-Color Surround Grille
  • Brake assist
  • Bumpers: body-color
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Deep-Tinted Glass
  • Delay-off headlights
  • Driver Alert Package I
  • Driver Alert Package II
  • Driver Memory
  • Driver door bin
  • Driver vanity mirror
  • Dual front impact airbags
  • Dual front side impact airbags
  • Electric Rear-Window Defogger
  • Electrical Lock Control Steering Column
  • Electronic Stability Control
  • Floor-Mounted Center Console
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Bucket Seats
  • Front Center Armrest
  • Front Pedestrian Braking
  • Front Prem Floor Liners w/Removable Carpet Insert
  • Front anti-roll bar
  • Front dual zone A/C
  • Front fog lights
  • Front reading lights
  • Front wheel independent suspension
  • Fully automatic headlights
  • GMC Connected Access Capable
  • HD Rear Vision Camera
  • HD Surround Vision w/2 Trailer View Camera Provisions
  • Heated 2nd Row Outboard Seats
  • Heated Driver & Front Outboard Passenger Seating
  • Heated door mirrors
  • Heated front seats
  • Heated steering wheel
  • Heavy-Duty Air Filter
  • Hill Descent Control
  • Hitch Guidance
  • Hitch Guidance w/Hitch View
  • Illuminated entry
  • In-Vehicle Trailering App
  • Integrated Trailer Brake Controller
  • IntelliBeam Automatic High Beam On/Off
  • Keyless Open & Start
  • LED Cargo Area Lighting
  • Lane Change Alert w/Side Blind Zone Alert
  • Lane Keep Assist w/Lane Departure Warning
  • Low tire pressure warning
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Memory seat
  • Multicolor 15" Diagonal Head-Up Display
  • Occupant sensing airbag
  • Off-Road Suspension
  • OnStar & GMC Connected Services Capable
  • Outside temperature display
  • Overhead airbag
  • Overhead console
  • Panic alarm
  • Passenger door bin
  • Passenger vanity mirror
  • Perforated Leather-Appointed Front Seat Trim
  • Perimeter Lighting
  • Power Door Locks
  • Power Front Passenger Windows w/Express Up/Down
  • Power Front Windows w/Driver Express Up/Down
  • Power Rear Windows w/Express Down
  • Power Sliding Rear Window w/Rear Defogger
  • Power Sunroof
  • Power door mirrors
  • Power driver seat
  • Power passenger seat
  • Power steering
  • Power windows
  • Preferred Equipment Group 4SB
  • Premium Bose 7-Speaker Sound System
  • Premium audio system: GMC Infotainment System
  • ProGrade Trailering System
  • Radio data system
  • Radio: Premium GMC Infotainment Sys w/Multi-Touch
  • Radio: Premium GMC Infotainment Sys w/Navigation
  • Rear Camera Mirror
  • Rear Cross Traffic Alert
  • Rear Dual USB Charging-Only Ports
  • Rear Prem Floor Liners w/Removable Carpet Insert
  • Rear Underseat Storage
  • Rear Wheelhouse Liners
  • Rear reading lights
  • Rear seat center armrest
  • Rear step bumper
  • Rear window defroster
  • Red Recovery Hooks
  • Remote Vehicle Starter System
  • Remote keyless entry
  • Safety Alert Seat
  • Security system
  • SiriusXM w/360L
  • Speed control
  • Speed-sensing steering
  • Split folding rear seat
  • Spray-On Pickup Bed Liner w/AT4 Logo
  • Steering Wheel Audio Controls
  • Steering wheel mounted audio controls
  • Tachometer
  • Technology Package
  • Telescoping steering wheel
  • Theft Deterrent System (Unauthorized Entry)
  • Air conditioning, dual-zone automatic climate control
  • Air vents, rear
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • 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.)
  • In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics
  • 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
  • Steering column, lock control, electrical
  • Steering column, manual Tilt-Wheel and telescoping
  • 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
  • Air filter, heavy-duty
  • Auto-locking rear differential
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Capless Fuel Fill
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • 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
  • 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)
  • ADAPTIVE CRUISE CONTROL (Included and only available with (PDJ) Driver Alert Package II.) (KSG)
  • AT4 PREFERRED EQUIPMENT GROUP includes standard equipment (4SB)
  • AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote, (A48) rear sliding power window, (IOT) 8" diagonal Premium GMC Infotainment with navigation, (UQA) Bose Premium Audio System and (K4C) Wireless Charging (Included with (RFV) AT4 Value Package and (PDG) AT4 Premium Package.) (PDO)
  • AT4 PREMIUM PACKAGE includes (PDO) AT4 Preferred Package, (R3O) LT275/65R18C MT blackwall Goodyear Wrangler DuraTrac tires, (PQB) Driver Alert Package I and (VXW) AT4 high clearance step (Available to upgrade to (QAE) 275/60R20SL all-terrain, blackwall tires or (QFV) LT265/60R20 MT blackwall Goodyear Wrangler Territory tires with (NZH) 20" machined aluminum with Carbon Grey Metallic accents wheels. (VXW) AT4 high clearance step can be substituted with (S6L) Sport Step, Black, LPO but no other assist steps are available.) *GROSS* (PDG)
  • AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 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. Includes greater memory Note: (PZ8) Hitch Guidance with hitch view is included with trim.) (Included and only available with (PDO) AT4 Preferred Package. (IOT)
  • AUTOMATIC EMERGENCY BRAKING (Included and only available with (PDJ) Driver Alert Package II.) (UHY)
  • BED VIEW CAMERA camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions (Included and only available with (CWM) Technology Package.) (UVN)
  • BOSE SOUND SYSTEM, PREMIUM 7-SPEAKER SYSTEM with Richbass woofer (Included and only available with (PDO) AT4 Preferred Package.) (UQA)
  • DARK SKY METALLIC (Available at extra charge.) (GJI)
  • DRIVER ALERT PACKAGE I includes (UD5) Front and Rear Park Assist, (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert (Includes Perimeter Lighting. Included with (RFV) AT4 Value Package and (PDG) AT4 Premium Package.) (PQB)
  • DRIVER ALERT PACKAGE II includes (UEU) Forward Collision Alert, (UHX) Lane Keep Assist/Lane Departure Warning, (UHY) Automatic Emergency Braking, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (KSG) Adaptive Cruise Control and (UE4) Following Distance Indicator Includes (HS1) Safety Alert Seat.) (Requires (PQB) Driver Alert Package I. (PDJ)
  • DRIVER INFORMATION CENTER, ENHANCED, 8" DIAGONAL MULTICOLOR DIGITAL DISPLAY includes analog speedometer and tachometer gauges (Included and only available with (CWM) Technology Package. Requires (PDJ) Driver Alert Package II.) (UHS)
  • EMISSIONS, FEDERAL REQUIREMENTS (FE9)
  • FOLLOWING DISTANCE INDICATOR (Included and only available with (PDJ) Driver Alert Package II.) (UE4)
  • FORWARD COLLISION ALERT (Included and only available with (PDJ) Driver Alert Package II.) (UEU)
  • FRONT AND REAR PARK ASSIST, ULTRASONIC (Included and only available with (PQB) Driver Alert Package I.) (UD5)
  • FRONT PEDESTRIAN BRAKING (Included and only available with (PDJ) Driver Alert Package II.) (UKJ)
  • HD SURROUND VISION WITH TWO TRAILER VIEW CAMERA PROVISIONS provides the driver with an overhead view of the scene around the vehicle on a center stack display (Included and only available with (CWM) Technology Package. Recommend ordering (TRO) Auxiliary Trailer Camera, LPO if transparent trailer camera view is desired.) (UVS)
  • INTELLIBEAM, AUTOMATIC HIGH BEAM ON/OFF (Included and only available with (PDJ) Driver Alert Package II.) (TQ5)
  • JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER FRONT SEAT TRIM (HVD)
  • LANE CHANGE ALERT with Side Blind Zone Alert (Included and only available with (PQB) Driver Alert Package I.) (UKC)
  • LANE KEEP ASSIST with Lane Departure Warning (Included and only available with (PDJ) Driver Alert Package II.) (UHX)
  • LPO, ALL-WEATHER FLOOR LINERS, 1ST AND 2ND ROWS (includes AT4 logo) (Replaces (BKE) Premium Rear Floor Liners with removable carpet insert and (BKF) Premium Front Floor Liners with removable carpet insert.) (AAK)
  • LPO, AT4 HIGH CLEARANCE STEP (dealer-installed) (Included in (PDG) AT4 premium package. Not available with any other RPO or LPO assist step.) (VXW)
  • LPO, REAR UNDERSEAT STORAGE, COMPOSITE STORAGE BIN Crew Cab includes lockable lid, (dealer-installed) (Included with (PDL) Cargo Convenience Package, LPO.) (VBJ)
  • MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY (Included and only available with (CWM) Technology Package.) (UV6)
  • REAR AXLE, 3.23 RATIO (GU5)
  • REAR CAMERA MIRROR, INSIDE REARVIEW AUTO-DIMMING with full camera display (Included and only available with (CWM) Technology Package.) (DRZ)
  • REAR CROSS TRAFFIC ALERT (Included and only available with (PQB) Driver Alert Package I.) (UFG)
  • SAFETY ALERT SEAT (Included and only available with (PDJ) Driver Alert Package II.) (HS1)
  • SEATS, FRONT BUCKET with center console (STD) (A50)
  • SEATS, HEATED SECOND ROW OUTBOARD SEATS Standard on models built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.) (Requires a Crew Cab model. *No Longer Factory Orderable, See Dealer for Current Availability* (KA6)
  • SUNROOF, POWER (Requires a Crew Cab model and (PDO) AT4 Preferred Package. Not available with a government order type (FBC) and (FGO).) (CF5)
  • TECHNOLOGY PACKAGE includes (UVS) HD Surround Vision, (DRZ) Rear Camera Mirror, (UVN) Bed View Camera and (UV6) Multicolor 15" Diagonal Head-Up Display Includes (UHS) 8" Digital Driver information Center.) (Requires (PDJ) Driver Alert Package II and (PDO) AT4 Preferred Package. (CWM)
  • TIRE, SPARE 265/70R17SL ALL-SEASON, BLACKWALL (STD) (XCQ)
  • TIRES, LT275/65R18C MT BLACKWALL GOODYEAR WRANGLER DURATRAC (Included with (RFV) AT4 Value Package, (PDG) AT4 Premium Package and (PCJ) Off-Road Performance Package.) (R3O)
  • UNIVERSAL HOME REMOTE (Included and only available with (PDO) AT4 Preferred Package.) (UG1)
  • WHEELS, 18" X 8.5" (45.7 CM X 21.6 CM) MACHINED ALUMINUM with Dark Grey accents (STD) (RT5)
  • WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER (Included and only available with (PDO) AT4 Preferred Package.) (A48)
  • WIRELESS CHARGING (Included and only available with (PDO) AT4 Preferred Package.) (K4C)
  • 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)
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