
Basics
Condition
Interior Color
Exterior Color
Drivetrain
Transmission
Fuel
Engine
VIN
Stock Number
Mileage
Features
Entertainment
Premium Sound System
Exterior
Sunroof/Moonroof
Alloy Wheels
Tow Hitch
Seating
Cooled Seats
Memory Seat
Leather Seats
Safety
Backup Camera
Brake Assist
Lane Departure Warning
Stability Control
Convenience
Navigation System
USB Port
Heated Steering Wheel
Keyless Start
Remote Start
Features
- (A48) Rear Sliding Power Window
- (Cf5) Power Sunroof
- (Cwm) Technology Package And (Vxw) At4 High Clearance Step
- (Iot) 8 Diagonal Premium GMC Infotainment With Navigation
- (Pdj) Driver Alert II
- (Pqb) Driver Alert Package I
- (Pyu) 20 (50.8 Cm) Machined Aluminum Wheels With High Gloss Black Accents
- (U01) Roof Marker Lamps And (K4c) Wireless Charging At4 Preferred Package
- (Ug1) Universal Home Remote
- (Uqa) Bose Premium Audio System
- (Uvs) HD Surround Vision With Two Trailer View Camera Provisions
- 1st and 2nd row curtain head airbags
- 4 Door
- 4-wheel ABS Brakes
- 4WD
- 4WD Lo</Li><Li>2wd High For Most On-Road And Highway Situations </Li><Li>4wd High For Snowy Or Wet Roads When Added Traction Is Needed </Li><Li>4wd Low For Deep Sand
- 6 Airbags<Br /><Ul><Li>Dual-Stage Frontal Airbags For Driver And Front Outboard Passenger<Sup>1</Sup></Li><Li>Seat-Mounted Side-Impact Airbags For Driver And Front Outboard Passenger<Sup>1</Sup></Li><Li>Head-Curtain Airbags For Outboard Seating Positions<Sup>1</Sup></Li><Li>Includes Front Outboard Passenger Sensing System For Frontal Outboard Passenger Airbag And Illuminates A Status Light That Indicates Whether The Airbag Is On Or Off<Sup>1</Sup></Li></Ul>
- 6 USB ports
- 8 Diagonal Premium GMC Infotainment System With Navigation<Br /><Ul><Li>Multi-Touch Display
- ABS and Driveline Traction Control
- Aluminum dash trim
- Aluminum/sim carbon fibre center console trim
- Aluminum/sim carbon fibre door trim
- Am/Fm/Siriusxm<Sup>1</Sup> (Trial Subscription)
- Anti-theft alarm system
- Apple CarPlay/Android Auto Wireless Mirroring
- Audio System Premium Brand : Premium GMC Infotainment System
- Audio controls on steering wheel
- Auto
- Automatic front air conditioning
- Automatic locking hubs
- Autotrac<Sup>&Reg;</Sup> 2-Speed Transfer Case With Push Button Controls<Br /><Ul><Li>4-Button Control 2WD
- Auxilliary engine cooler
- Auxilliary transmission cooler
- Bluetooth wireless phone connectivity
- Bluetooth<Sup>&Reg;</Sup><Br /><Ul><Li>Pair Your Compatible Mobile Phone To Your Vehicle'S Infotainment System<Sup>1</Sup></Li><Li>Place And Receive Hands-Free Phone Calls </Li><Li>Store Your Phone'S Contact List In The System To Place An Outgoing Call Quickly Using The Touch-Screen Display Or Voice Command System</Li><Li>With Streaming Audio Capability
- Body-colored bumpers
- Braking Assist
- Bucket front seats
- Center Console: Full with covered storage
- Climate Controlled : Driver and passenger heated
- Clock : Digital
- Compass
- Control And Manage Select Smartphone Apps Through The Infotainment System</Li><Li>Voice-Activated Technology For Phone</Li><Li>Usb Port(S)<Sup>6</Sup> To Play Stored Audio Files Through Your Vehicle'S Audio System</Li><Li>With Greater Memory</Li><Li>May Require Additional Optional Equipment</Li></Ul>
- Conveniently Locks And Unlocks Your Car'S Doors Without Having To Use The Key Fob</Li><Li>With The Vehicle In Park Or Neutral
- Cooled front seats
- Cruise control
- Cruise controls on steering wheel
- Cupholders: Front and rear
- Dark chrome grille
- Daytime running lights
- Depending On The Weather And Your Preset Preferences</Li><Li>Locks Doors And Turns On Parking Lamps While The Engine Is Running</Li><Li>Activates The Climate Control System</Li></Ul>
- Diameter of tires: 18.0"
- Digital Audio Input
- Door pockets: Driver
- passenger and rear
- Door reinforcement: Side-impact door beam
- Driver Memory<Br /><Ul><Li>Recalls 2 Driver Presets For 10-Way Power Seat And Outside Mirrors </Li><Li>May Require Additional Optional Equipment</Li></Ul>
- Driver airbag
- Driver seat memory
- Dual front air conditioning zones
- Dual illuminated vanity mirrors
- Dual-Zone Automatic Climate Control<Br /><Ul><Li>Automatically Maintains The Selected Temperatures For Both The Driver And Front Passenger</Li><Li>Allows Individual Climate Settings For Both Driver And Front Passenger</Li><Li>Driver And Front Passenger Can Choose A Temperature Up To 30 Degrees Difference</Li><Li>May Require Additional Optional Equipment</Li></Ul>
- Dusk sensing headlights
- Electrochromatic auto-dimming mirrors
- Electrochromatic rearview mirror
- Engine immobilizer
- External temperature display
- Fixed antenna
- Floor mats: Rubber w/carpet inserts front and rear
- Fold-up cushion rear seats
- Front And Rear Park Assist<Br /><Ul><Li>Can Provide Distance Alerts To Nearby Detected Objects In Front Of Or Behind Your Vehicle To Help You Park And Avoid Collisions AT Low Speeds<Sup>1</Sup></Li><Li>May Require Additional Optional Equipment</Li></Ul>
- Front Head Room : 43.0 "
- Front Hip Room: 61.2"
- Front Independent Suspension
- Front Leg Room: 44.5"
- Front Shoulder Room: 66.0"
- Front Stabilizer Bar : Bar
- Front Ventilated disc brakes
- Front and rear reading lights
- Front fog/driving lights
- Front suspension stabilizer bar
- Fuel Capacity: 36.0 gal.
- Fuel Type: Regular unleaded
- Headlights off auto delay
- Heated driver mirror
- Heated passenger mirror
- Heated steering wheel
- Hitch Guidance Allows You To Briefly Check Your Trailer Using The Rear Vision Camera View</Li></Ul>
- Hitch Guidance<Br /><Ul><Li>Displays A Guideline On The Rear Vision Camera View When You'Re In Reverse To Help Line Up Your Hitch To Your Trailer<Sup>1</Sup></Li><Li>When Driving
- Includes (Pdo) At4 Preferred Package
- Includes (Uvn) Bed View Camera
- Independent front suspension classification
- Instrumentation: Low fuel level
- Interior 120v Ac Power Outlet : 1
- Jet Black With Kalahari Accents
- Keyless Open And Start<Br /><Ul><Li>With The Keyless Entry FOB In Your Possession
- Keyless ignition w/ push button start & keyless door entry
- LED Fog Lamps<Br /><Ul><Li>Help Minimize Glare In Adverse Driving Conditions</Li></Ul>
- LED Low/High Beam Reflector Headlights
- LED spot light
- Lane Departure Warning<Br /><Ul><Li>Can Alert You If You Might Be Unintentionally Drifting Out Of Detected Lane Lines So You Can Quickly Take Action<Sup>1</Sup></Li><Li>It Will Not Alert You If You'Re Using Your Turn Signal Or It Detects You May Be Intentionally Leaving Your Lane</Li><Li>May Require Additional Optional Equipment</Li></Ul>
- Leaf rear spring
- Leaf rear suspension
- Leather seat upholstery
- Leather/aluminum steering wheel trim
- Left rear passenger door type: Conventional
- Lpo At4 Premium Plus Package
- Machined aluminum rims w/ painted accents
- Manual child safety locks
- Memorized Settings for 2 drivers
- Memorized Settings including door mirror(s)
- Mobile hotspot internet access
- Mud Or Snow To Provide Maximum Torque To All 4 Wheels </Li><Li>When In Auto Mode
- Overall Width : 81.8 "
- Overhead console: Mini
- Passenger Airbag
- Perforated Front Leather Seating Surfaces Seat Trim
- Power Sunroof<Br /><Ul><Li>Opens Over The First Row AT The Push Of A Button</Li><Li>Retracts Into The Roof</Li><Li>Offers Tilt And Slide Features With Express-Open And -Close</Li><Li>May Require Additional Optional Equipment</Li></Ul>
- Power extendable trailer style exterior mirrors
- Power remote driver mirror adjustment
- Power remote passenger mirror adjustment
- Power retractable mirrors
- Power windows
- Premium GMC Infotainment System
- Press The Brake Pedal And Then Press The Engine Start/Stop Button To Start The Engine; The Green Indicator On The Button Will Illuminate</Li><Li>Shift To Park And Press The Engine Start/Stop Button To Turn Off The Engine </Li><Li>May Require Additional Optional Equipment</Li></Ul>
- Privacy glass: Deep
- Rear Camera Mirror<Br /><Ul><Li>Uses A Camera To Provide You A Wide And Less Obstructed View Behind The Vehicle While You'Re Driving<Sup>1</Sup></Li><Li>You Can Switch Between The Camera View And A Traditional Rear-View Mirror</Li><Li>May Require Additional Optional Equipment</Li></Ul>
- Rear Head Room: 40.1"
- Rear Hip Room: 60.2"
- Rear Leg Room: 43.4"
- Rear Shoulder Room: 65.3"
- Rear View Camera
- Rear center seatbelt: 3-point belt
- Rear door type: Tailgate
- Rear seats center armrest
- Remains In 2WD Mode Until The System Detects Wheel Slippage </Li><Ul Style=List-Style-Type:Circle><Li>Automatically Engages 4WD Until Traction Is Regained </Li></Ul><Li>Neutral</Li><Ul Style=List-Style-Type:Circle><Li>Only Used For Towing Vehicle (Dinghy Tow Capability)- Allows Vehicle To Roll Freely </Li></Ul><Li>May Require Additional Optional Equipment</Li></Ul>
- Remote Engine Start : Keyfob remote start
- Remote Start<Br /><Ul><Li>Start Your Vehicle Remotely And Step Into A Comfortably Warmed Or Cooled Vehicle
- Remote activated exterior entry lights
- Remote power door locks
- Remote window operation
- Right rear passenger door type: Conventional
- Rigid axle rear suspension
- Seatback storage: 2
- Seatbelt pretensioners: Front
- Short and long arm front suspension
- Side airbag
- SiriusXM Satellite Radio
- SiriusXM with 360L AM/FM/HD/Satellite
- SiriusXM with 360L Satellite Radio
- Spare Tire Mount Location: Underbody w/crankdown
- Speed-proportional power steering
- Split rear bench
- Stability controll with anti-roll
- Steel spare wheel rim
- Stereo And Includes Navigation<Sup>2</Sup></Li><Li>Hd Radio Capability</Li><Li>Bluetooth<Sup>&Reg;3</Sup>Streaming Audio For Music And Select Phones</Li><Li>Apple Carplay&Trade; Capability For Compatible Phones<Sup>4</Sup></Li><Li>Android Auto&Trade; Capability For Compatible Phones<Sup>5</Sup></Li><Li>Use
- Suspension class: Off-road
- Tachometer
- Tilt and telescopic steering wheel
- Tire Pressure Monitoring System: Tire specific
- Tires: Load Rating: E
- Tires: Prefix: LT
- Tires: Profile: 70
- Tires: Speed Rating: S
- Tires: Width: 275 mm
- Torsion bar front spring
- Total Number of Speakers: 6
- Trailer hitch
- Transmission hill holder
- Trip computer
- Turn signal in mirrors
- Two 12V DC power outlets
- Type of tires: AT
- Urethane shift knob trim
- Variable intermittent front wipers
- Vehicle Emissions: Federal
- Video Monitor Location: Front
- Wheel Diameter: 18
- Wheel Width: 8
- Wireless Charging<Br /><Ul><Li>Uses Induction Technology For Portable Electronic Devices<Sup>1</Sup></Li><Li>Convenient Charging Location On The Top Of The Center Console</Li><Li>Device May Require Optional Case For Phones That Are Compatible</Li><Li>Customers Can Charge Their Smartphones While They Drive Without Connecting To Any Cables</Li><Li>May Require Additional Optional Equipment</Li></Ul>
- You Can Listen To Files Stored On Your Phone Or Bluetooth Digital Media Device</Li></Ul>
Seller's Comments
The 2021 GMC Sierra 3500HD AT4 in Summit White is a heavy-duty truck built for power and luxury, perfect for both work and play. Equipped with a 6.6L Duramax turbo diesel engine, it delivers impressive towing and payload capacities, making it ideal for hauling heavy loads or taking on tough jobs. The AT4 trim adds rugged features like off-road suspension, front skid plates, and all-terrain tires, providing outstanding performance in challenging conditions.
The exterior is finished in Summit White, showcasing a clean and professional appearance with a distinctive AT4 grille and bold design elements. Inside, the cabin offers a premium experience with leather upholstery, heated and ventilated front seats, and a heated steering wheel for comfort during long drives or harsh weather conditions. The truck also comes equipped with the GMC Infotainment System, featuring a large touchscreen display, Apple CarPlay, Android Auto, and navigation.
Safety is a top priority, with standard features like forward collision alert, lane departure warning, and a rearview camera system, ensuring peace of mind on every journey. The 2021 Sierra 3500HD AT4 combines rugged capability with high-end features, making it a top choice for those seeking a truck that excels in performance, comfort, and style.
11241 63 S
Lucedale, Mississippi 39452
(601) 947-3001
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Tax, title, license, and dealer fees (including a $425 dealer doc fee) are extra. Most rebates are not compatible with special finance or lease offers. Pricing is subject to change; contact the dealership for accurate details. Walt Massey 3-Day Money Back Guarantee: You can exchange a vehicle if: It is returned within three (3) business days by 5 PM CST (extended by one day if the dealership is closed). It is in "like new" condition with no damage, smoking, or pet odors. It has less than 300 miles; a $1/mile fee applies for overages. Exclusions: As-Is used vehicles are not eligible. Complimentary 3-Month/3,000-Mile Powertrain Coverage: Eligible used cars include coverage for the engine, transmission, and drive axle. Some vehicles, including As-Is and performance vehicles, are excluded. See the dealer for details. Vehicle Location and Availability: Vehicles may be located off-site; delivery is available with potential transportation charges. Availability may change, and all vehicles are subject to prior sale. Financing Terms: Monthly payment estimates vary based on term, interest rate, and down payment with approved credit. Walt Massey Savings Discounts are available to everyone. EPA Mileage: Mileage estimates are based on EPA ratings when new and may vary.
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