In Transit

Certified Used 2021 GMC Sierra 3500HD 4WD AT4

AT4 Crew Cab Standard Box 4-Wheel Drive AT4 Pickup Crew Cab Pickup 4WD 10-Speed Automatic Turbocharged Diesel V8 6.6L/
BlackOnyx Black BlackJet Black with Kalahari accents
Stock#: Y24003A
VIN#: 1GT49VEYXMF136173
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Vehicle Summary

  • Condition: Used
  • Certified: Yes
  • Mileage: 21,274
  • Engine: Turbocharged Diesel V8 6.6L/
  • Transmission: 10-Speed Automatic
  • Drivetrain: 4WD
  • Exterior Color: Onyx Black
  • Interior Color: Jet Black with Kalahari accents
  • City MPG:
  • Highway MPG:

Vehicle Highlights

Back-Up Camera Back-Up Camera
Heated Seats Heated Seats
Cooled Seat(s) Cooled Seat(s)
Remote Start Remote Start
Keyless Start Keyless Start

Vehicle Details

Certified. GMC Certified Pre-Owned Details: * Roadside Assistance * Limited Warranty: 12 Month/12,000 Mile (whichever comes first) from certified purchase date * 24 months/24,000 miles (whichever comes first) CPO Scheduled Maintenance Plan and 3 days/150 miles (whichever comes first) Vehicle Exchange Program. SiriusXM 3-month trial subscription * Vehicle History * Powertrain Limited Warranty: 72 Month/100,000 Mile (whichever comes first) from original in-service date * Transferable Warranty * 172 Point Inspection * Warranty Deductible: $0 2021 GMC Sierra 3500HD AT4 Sierra 3500HD AT4, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather. AT4 Priced below KBB Fair Purchase Price! Odometer is 9326 miles below market average! If you are looking to buy, lease or service a car in Greater Phoenix, turn to Yates Buick GMC. Our Buick and GMC dealership in Goodyear, AZ, is a family-owned dealership that has been in business for more than 38 years. Our experience has taught us what car-shoppers from Mesa, Glendale, Scottsdale and beyond want, and we are proud of the reputation we have earned as a trustworthy dealership. From our One Price, No Hassle guarantee to our commission-free sales process, we put the customer first. Come explore what makes Yates Buick GMC different for yourself; you will not be disappointed! Shopping for a new Buick car or SUV to make cruising around Phoenix and beyond more fun? Shop our incredible selection of new Buick Enclave, Envision SUVs, Encore, and more. Need a tough truck instead? Yates Buick GMC sells many GMC Sierra 1500 models, as well as GMC SUVs like the Acadia and Yukon. We also sell used and Certified Pre-Owned GMC and Buick models, as well as pre-owned cars from other top makes. Learn about our financing and leasing specials in Goodyear and let our GMC finance team help you. All prices on our web site are subject to change without notice. Prices may also change due to personalize products to different clients. More so, due to unforeseen cost increases of imported products, raw materials, or currency fluctuations. We carefully check pricing and product specifications, but occasionally errors can occur, therefore we reserve the right to change both without notice. We are not responsible for customer pricing errors. Some variations between picture and product may occur. Some products listed may be non-stock items.

  • Emissions, federal requirements
  • Gvwr, 12,100 lbs. (5488 kg) with single rear wheels
  • At4 preferred equipment group
  • Tires, lt275/65r20 all-terrain, blackwall
  • Seats, front bucket with center console
  • Audio system, premium gmc infotainment system with navigation and 8" diagonal color touch-screen
  • At4 preferred package
  • Gooseneck / 5th wheel package
  • Driver alert package ii
  • Lpo, hitch package
  • Alternator, 220 amps
  • Exhaust brake
  • Lpo, at4 high clearance step
  • Intellibeam, automatic high beam on/off
  • Window, power, rear sliding
  • Lpo, console-mounted safe
  • Multi-color 15" diagonal head-up display
  • Wireless charging
  • Lpo, rear underseat storage
  • Front and rear park assist, ultrasonic
  • Bed view camera
  • Lane change alert with side blind zone alert
  • Following distance indicator
  • Safety alert seat
  • LAMPS SMOKED AMBER LED ROOF MARKER (LED)
  • WIRELESS CHARGING
  • REAR CAMERA MIRROR inside rearview auto-dimming with full camera display
  • FOLLOWING DISTANCE INDICATOR
  • LANE CHANGE ALERT WITH SIDE BLIND ZONE ALERT
  • TRANSMISSION ALLISON 10-SPEED AUTOMATIC
  • WHEELS 20" (50.8 CM) MACHINED ALUMINUM with high gloss Black accents
  • 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.
  • WINDOW POWER REAR SLIDING with rear defogger
  • ENGINE BLOCK HEATER
  • AT4 PREFERRED PACKAGE includes (UVN) Bed View Camera (UVS) HD Surround Vision with Two Trailer View Camera Provisions (UG1) Universal Home Remote (A48) rear sliding power window (IOT) 8" diagonal Premium GMC Infotainment with navigation (UQA) Bose Premium Audio System (U01) Roof Marker Lamps and (K4C) Wireless Charging
  • SUNROOF POWER
  • LPO AT4 HIGH CLEARANCE STEP (dealer-installed)
  • BED VIEW CAMERA camera in the CHMSL to show a view of the cargo bed display located in entertainment screen includes Two Trailer Camera Provisions
  • TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multi-color 15" Diagonal Head-Up Display Includes (UHS) 8" Digital Driver information Center.
  • REAR CROSS TRAFFIC ALERT
  • GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS
  • EXHAUST BRAKE
  • ONYX BLACK
  • GOOSENECK / 5TH WHEEL PACKAGE includes (Z6A) Gooseneck / 5th Wheel Prep Package. (Includes (UVN) Bed View Camera.
  • ALTERNATOR 220 AMPS
  • LANE DEPARTURE WARNING
  • FORWARD COLLISION ALERT
  • Tow Hitch
  • Locking/Limited Slip Differential
  • Tow Hooks
  • ABS
  • Aluminum Wheels
  • Tires - Rear All-Terrain
  • Bed Liner
  • Fog Lamps
  • Power Mirror(s)
  • Power Folding Mirrors
  • AM/FM Stereo
  • Bluetooth Connection
  • Smart Device Integration
  • Requires Subscription
  • Requires Subscription
  • Bluetooth Connection
  • Smart Device Integration
  • WiFi Hotspot
  • Power Driver Seat
  • Power Passenger Seat
  • Pass-Through Rear Seat
  • Heated Front Seat(s)
  • Cooled Front Seat(s)
  • Mirror Memory
  • Floor Mats
  • Leather Steering Wheel
  • Adjustable Steering Wheel
  • Power Windows
  • Power Door Locks
  • Keyless Entry
  • Keyless Start
  • Security System
  • MP3 Player
  • MP3 Player
  • Power Outlet
  • Multi-Zone A/C
  • Auto-Dimming Rearview Mirror
  • Stability Control
  • Driver Air Bag
  • Front Side Air Bag
  • Rear Head Air Bag
  • Telematics
  • Back-Up Camera
  • Driver Restriction Features
  • Transmission, allison 10-speed automatic
  • Rear axle, 3.42 ratio
  • Wheels, 20" (50.8 cm) machined aluminum
  • Onyx black
  • Jet black with kalahari accents, perforated front leather seating surfaces
  • At4 premium plus package
  • Technology package
  • Driver alert package i
  • Lpo, cargo convenience package
  • Engine block heater
  • Gooseneck / 5th wheel prep package
  • Sunroof, power
  • Winter grille cover
  • Lamps, smoked amber led roof marker, (led)
  • Bose sound system, premium 7-speaker system
  • Driver information center, enhanced, 8" diagonal multi-color digital display
  • Universal home remote
  • Rear camera mirror
  • Automatic emergency braking
  • Hd surround vision with two trailer view camera provisions
  • Rear cross traffic alert
  • Lane departure warning
  • Forward collision alert
  • LPO CONSOLE-MOUNTED SAFE (dealer-installed)
  • BOSE SOUND SYSTEM PREMIUM 7-SPEAKER SYSTEM with Richbass woofer
  • INTELLIBEAM AUTOMATIC HIGH BEAM ON/OFF
  • LPO CARGO CONVENIENCE PACKAGE includes (S1O) Console-Mounted Safe LPO and (VBJ) rear under seat storage LPO (dealer-installed)
  • GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
  • MULTI-COLOR 15" DIAGONAL HEAD-UP DISPLAY
  • SAFETY ALERT SEAT
  • FRONT AND REAR PARK ASSIST ULTRASONIC
  • WINTER GRILLE COVER
  • UNIVERSAL HOME REMOTE
  • LPO HITCH PACKAGE Gooseneck ball and chain tiedown kit with case (dealer-installed)
  • DRIVER INFORMATION CENTER ENHANCED 8" DIAGONAL MULTI-COLOR DIGITAL DISPLAY includes analog speedometer and tachometer gauges
  • 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. Includes (PZ8) Hitch Guidance with hitch view.)
  • LPO REAR UNDERSEAT STORAGE composite storage bin and lockable lid (dealer-installed)
  • AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
  • REAR AXLE 3.42 RATIO
  • ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm 910 lb-ft of torque [1220 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
  • AUTOMATIC EMERGENCY BRAKING
  • 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
  • DRIVER ALERT PACKAGE II includes (UEU) Forward Collision Alert (UFL) Lane Departure Warning (UHY) Automatic Emergency Braking (TQ5) IntelliBeam and (UE4) Following Distance Indicator Includes (HS1) Safety Alert Seat.
  • AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (PQB) Driver Alert Package I (PDJ) Driver Alert II (PYU) 20" (50.8 cm) machined aluminum wheels with high gloss Black accents (CF5) power sunroof (CWM) Technology Package and (VXW) AT4 high clearance step LPO
  • SEATS FRONT BUCKET WITH CENTER CONSOLE (STD)
  • TIRES LT275/65R20 ALL-TERRAIN BLACKWALL
  • JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEATING SURFACES
  • Running Boards/Side Steps
  • Four Wheel Drive
  • Power Steering
  • 4-Wheel Disc Brakes
  • Tires - Front All-Terrain
  • Conventional Spare Tire
  • Daytime Running Lights
  • Heated Mirrors
  • Integrated Turn Signal Mirrors
  • Privacy Glass
  • MP3 Player
  • Auxiliary Audio Input
  • Satellite Radio
  • Satellite Radio
  • HD Radio
  • Bluetooth Connection
  • Bucket Seats
  • Leather Seats
  • Driver Adjustable Lumbar
  • Passenger Adjustable Lumbar
  • Rear Bench Seat
  • Heated Front Seat(s)
  • Heated Rear Seat(s)
  • Seat Memory
  • Floor Mats
  • Heated Steering Wheel
  • Steering Wheel Audio Controls
  • Power Windows
  • Remote Engine Start
  • Power Door Locks
  • Cruise Control
  • Power Outlet
  • Auxiliary Audio Input
  • Auxiliary Audio Input
  • Climate Control
  • Rear Defrost
  • Traction Control
  • Daytime Running Lights
  • Passenger Air Bag
  • Front Head Air Bag
  • Passenger Air Bag Sensor
  • Requires Subscription
  • Back-Up Camera
  • Tire Pressure Monitor
  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Air vents, rear
  • Audio system feature, 6-speaker system
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Compass, located in instrument cluster
  • Defogger, rear-window electric
  • Driver Information Center, 4.2" diagonal color display includes driver personalization
  • Exterior Temperature Display located in radio display
  • 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, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed.)
  • Keyless open and start
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Premium Floor Liners with removable carpet insert, front
  • Remote vehicle starter system
  • 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 underseat storage, (includes child seat top tether anchor)
  • Seats, front bucket with center console
  • Seats, ventilated driver and front passenger
  • 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, manual Tilt-Wheel and telescoping
  • Steering wheel, heated
  • Theft-deterrent system, unauthorized entry
  • USB ports, 2 (first row) located on instrument panel
  • Window, power front, drivers express up/down
  • Windows, power rear, express down
  • Air conditioning, dual-zone automatic climate control
  • Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • 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 (Includes (PZ8) Hitch Guidance with hitch view.)
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Cruise control, steering wheel-mounted
  • Door locks, power
  • Driver memory, recalls driver "presets" for power driver seat and outside mirrors
  • Floor covering, color-keyed carpeting
  • HD radio
  • Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
  • Mirror, inside rearview auto-dimming
  • Power outlet, front auxiliary, 12-volt
  • Power outlet, rear auxiliary, 12-volt
  • Premium Floor Liners with removable carpet insert, rear
  • Seat adjuster, driver 10-way power including lumbar
  • Seat trim, Perforated Front Leather seating surfaces
  • Seating, heated driver and front outboard passenger
  • Seats, heated second row outboard seats
  • SiriusXM Radio
  • Steering column, lock control, electrical
  • Steering wheel audio controls
  • Steering wheel, leather-wrapped
  • USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
  • USB ports, dual, charge-only (2nd row)
  • Window, power front, passenger express up/down
  • Wireless Phone Projection for Apple CarPlay and Android Auto
  • Air filter, heavy-duty
  • Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
  • Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Cooling, auxiliary external transmission oil cooler
  • Four wheel drive
  • GVWR, 11,350 lbs. (5148 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • Skid Plates protect the oil pan, front axle and transfer case
  • Suspension, Off-Road includes twin-tube shocks
  • Transfer case, two-speed active electronic Autotrac with push button control
  • Air filtration monitoring
  • Auto-locking rear differential
  • Brake lining wear indicator
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
  • Cooling, external engine oil cooler
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Pickup bed includes bed assist step
  • Recovery hooks, Red
  • Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
  • Trailer brake controller, integrated
  • Transmission, 6-speed automatic, heavy-duty
  • 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.)
  • HD Rear Vision Camera
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • 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
  • Daytime Running Lamps LED signature lighting
  • Hill descent control
  • Hitch Guidance with hitch view with Image adjustment, Pan/Zoom/Tilt
  • Rear seat reminder
  • 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)
  • 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. Not available with any Ship Thrus EXCEPT (VSH), (VTV), (TCH) or (TCE).)
  • Bumper, front, body-color lower
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Door handles, body-color
  • Glass, deep-tinted
  • 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
  • Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])
  • Single Rear Wheels
  • 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, spare LT275/70R18 all-terrain, blackwall
  • Wheelhouse liners, rear
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • Bumper, rear body-color with bumper CornerSteps
  • CornerStep, rear bumper
  • Fog lamps, LED
  • Grille, Painted Black surround with high gloss Black mesh and Black chrome inserts
  • 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
  • Moldings, beltline, Black
  • Tailgate and bed rail protection caps, top
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Tires, LT275/70R18E all-terrain, blackwall
  • Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents
Installed Options
  • Wheels, 20" (50.8 cm) machined aluminum $800
  • Onyx black $495
  • At4 premium plus package $7,975
  • At4 preferred package $2,075
  • Technology package $1,475
  • Gooseneck / 5th wheel package $795
  • Driver alert package i $890
  • Driver alert package ii $645
  • Lpo, cargo convenience package $515
  • Lpo, hitch package $295
  • Engine block heater $100
  • Alternator, 220 amps $150
  • Sunroof, power $995
  • Lpo, at4 high clearance step $1,095
  • Lamps, smoked amber led roof marker, (led) $55
  • Lpo, console-mounted safe $295
  • Lpo, rear underseat storage $275
  • Bed view camera $250
Total Cost: $19,175

Benefits Of Buying
Certified Pre-Owned

  • Whichever comes first, from original in-service date. See participating dealer for limited warranty details. 6-Year/100,000-Mile1 Powertrain Limited Warranty
  • Maintenance visits must occur within 2 years or 24,000 miles of vehicle delivery, whichever comes first. Does not include air filters. See participating dealer for other restrictions and complete details. Exclusive CPO Scheduled Maintenance Program
  • Whichever comes first, in addition to any remaining original factory Bumper-to-Bumper warranty. See participating dealer for limited warranty details. 12-Month/12,000-Mile Bumper-to-Bumper Limited Warranty
  • During your powertrain limited warranty period, 6 years or 100,000 miles from new vehicle delivery, whichever comes first. Roadside assistance provided by Allstate. See dealer for details. 24/7 Roadside Assistance and Courtesy Transportation
  • Whichever comes first. Vehicle exchange only. See dealer for details. Vehicle Exchange Program
  • Eligible 2015 and newer vehicles receive 1 month OnStar Safety & Security Plan and 1 month Connected Services which include navigation, Remote Access Plan, and 1 month or 3GB of 4G LTE data (whichever comes first) from activation. Eligible 2011–2014 vehicles receive 1 month OnStar Safety & Security Plan and 1 month Connected Services which include navigation services and Remote Access Plan from activation. Services are subject to user terms and limitations and capabilities vary by model. When you select a paid monthly plan within 15 days of activation, you’ll receive an additional 2 months of the plan you select at no additional charge. 2 month extension must be redeemed within 15 days of activation date. Requires that you enroll in a monthly service plan and associate a payment method on file. After trial expires, OnStar will automatically bill your payment method each month. Plans containing 4G LTE data will be billed every 30 days by AT&T. You may cancel at any time by pressing your blue OnStar button or by calling 1.888.466.7827. See onstar.com for details and further plan limitations. Data plan provided by AT&T. Availability subject to change. Mobile app features require automatic locks and factory-installed and enabled remote start system. See onstar.com for details and plan limitations. Up to 3 Months of OnStar Services Trial and Your SiriusXM service will automatically stop at the end of your trial unless you decide to subscribe. If you decide to continue service, the paid subscription plan you choose will automatically renew and you will be charged the rate in effect at that time and according to your chosen payment method. You may cancel at any time by calling 1-866-635-2349. See SiriusXM Customer Agreement for complete terms at siriusxm.com. Fees and programming subject to change.a 3-Month SiriusXM Trial Subscription

Prices do not include additional fees and costs of closing, including government fees and taxes, any finance charges, any dealer documentation fees, any emissions testing fees or other fees. All prices, specifications and availability subject to change without notice. Contact Yates Buick/GMC for most current information

MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the “Fuel Economy” portion of the EPA’s website for details, including a MPG recalculation tool).

Tax, title, license (unless itemized above) are extra. Not available with special finance, lease and some other offers.

The features and options listed are for the new 2021 GMC Sierra 3500HD and may not apply to this specific vehicle.

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