New 2025 GMC Sierra 3500 HD AT4
- VIN: 1GT4UVEY6SF184359
- Stock: LG84359
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Details
New 2025 GMC Sierra 3500 HD AT4
VIN: 1GT4UVEY6SF184359STOCK: LG84359Basic Info
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Year:2025
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Exterior:Summit White
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Make:GMC
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Interior:Jet Black with Kalahari accents, Perforated Front Leather seating surfaces
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Model:Sierra 3500 HD
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Engine:6.6L Duramax Turbo-Diesel V8 engine
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Trim:AT4
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Transmission:Automatic
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Drivetrain:Four Wheel Drive
Contact a Top Rated Specialist
Nathaniel Smith
Sales Consultant
Brandy McKenzie Boyd
Sales Consultant
Gregory Woodward
Sales Consultant
Walt Massey Chevrolet GMC Specialists
Nathaniel Smith
Sales Consultant
Contact Me
Dealership Experience
4 months
Recent Reviews
May 01, 2025
! Nate and Dennon were the best!! Great service with a
! Nate and Dennon were the best!! Great service with a smile. Highly recommended. Give them a call
Apr 03, 2025
Nate was super helpful and happy to answer all of our
Nate was super helpful and happy to answer all of our questions. He made our truck buying experience a very positive one. He is a great addition to the Walt Massey team!
Mar 25, 2025
We had a great experience with Mr.
We had a great experience with Mr. Smith. If we ever have to come back out that way for a vehicle we would for sure come back to him. We would for sure recommend him as well! Thank you for a great experience and hospitality!
Mar 14, 2025
The team at Walt Massey jumped right in to assist our
The team at Walt Massey jumped right in to assist our family. They made the process easy.
Mar 11, 2025
Nathaniel was the first person to approach us.
Nathaniel was the first person to approach us. He was very knowledgeable of the process and of the inventory on the lot. Not only was he knowledgeable but he was very kind and not at all pushy.
Brandy McKenzie Boyd
Sales Consultant
Dedicated Sales Consultant with a passion for helping customers find their ideal vehicle. Skilled in building strong client relationships, understanding customer needs and providing exceptional service. Passionate at building long-term relationships with my clients from the hand shake to the close and beyond. My direct number is 601-424-5068.
Recent Reviews
Apr 15, 2025
Very professional.
Very professional. Did everything she could to make our purchase easy. Very good to work with
Apr 10, 2025
Brandy was helpful the whole time.
Brandy was helpful the whole time. She made our experience as easy as it could be. Mr Dearman made the financial side very understanding and helped guide us the whole way.
Apr 04, 2025
Brandy was so helpful with finding me the perfect Trax
Brandy was so helpful with finding me the perfect Trax and then helping me buy it and set it up on the app.
Apr 02, 2025
She was very helpful and nice to deal with I will be
She was very helpful and nice to deal with I will be buying from her in the future
Mar 07, 2025
Brandy was so patient with us, and we never felt
Brandy was so patient with us, and we never felt pressured. I would recommend Brandy 100%!
Gregory Woodward
Sales Consultant
Recent Reviews
May 01, 2025
! Nate and Dennon were the best!! Great service with a
! Nate and Dennon were the best!! Great service with a smile. Highly recommended. Give them a call
Kasch Utz
Sales Consultant
Contact Me
Dealership Experience
6 months
Recent Reviews
Apr 04, 2025
Brandy was so helpful with finding me the perfect Trax
Brandy was so helpful with finding me the perfect Trax and then helping me buy it and set it up on the app.
DeeDee Keys
Sales Consultant
Contact Me
View More Reviews on DealerRater
Dealership Experience
4 years 1 months
Jimmy Bradley
Sales Consultant
Contact Me
View More Reviews on DealerRater
Dealership Experience
4 years 6 months
Key Features
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AWD
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Adaptive Cruise Control
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Android Auto
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Apple CarPlay
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Automatic Climate Control
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Backup Camera
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Bluetooth
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Fog Lights
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Lane Departure Warning
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Leather Seats
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Parking Sensors / Assist
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Power Seats
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Premium Plus Package
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Push Start
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Rain Sensing Wipers
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Remote Start
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Side-Impact Air Bags
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Sunroof / Moonroof
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Technology Package
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Tow Package
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Wireless Phone Charging
Description
The 2025 GMC Sierra 3500HD AT4 is a powerhouse of performance and convenience, designed for those who demand both rugged capability and premium features. This full-size pickup, presented in Summit White with a refined Jet Black interior accented with Kalahari leather, is equipped to handle the toughest tasks while ensuring a comfortable and high-tech driving experience.
Under the hood, the Sierra 3500HD AT4 is powered by the renowned Duramax 6.6L V8 turbodiesel engine, paired with a 10-speed automatic transmission and 4WD, offering impressive towing capacity and performance. The truck is engineered with an off-road mindset in mind, thanks to the X31 Off-Road Package that includes features designed to enhance traction and stability when navigating rough terrains. The two-speed active transfer case ensures optimal power distribution, allowing for a smooth and controlled driving experience in challenging conditions.
Inside, the Sierra 3500HD AT4 strikes a balance between utility and comfort. The cabin is adorned with premium leather seating, featuring both heated and ventilated front seats and heated outboard rear seats, ensuring that all passengers stay comfortable in any weather. The floor-mounted center console and advanced technology features, such as a multicolor 15-inch diagonal head-up display, provide both practical storage solutions and cutting-edge information at a glance.
The truck comes with a range of tech-savvy features to enhance your driving experience. The Bose Premium 7-speaker sound system provides excellent audio quality, while the 120-volt power outlets, including a bed-mounted one, allow for convenient charging on the go. The wireless phone projection and wireless charging capabilities help keep your devices powered without the need for cumbersome cables. Additionally, the truck is equipped with both rear USB charge ports and data ports for optimal connectivity.
For added convenience, the Sierra 3500HD AT4 features a suite of safety and driver-assistance technologies. These include a rearview camera, HD surround vision, rear cross-traffic alert, and ultrasonic front and rear park assist. The truck also comes with a safety alert seat that vibrates to warn the driver of potential hazards, while the trailer camera provisions and trailer side blind zone alert help make towing easier and safer.
For those who need to tow heavy loads, the truck is ready with a gooseneck/5th wheel prep package, making it ideal for hauling trailers. The spray-on pickup bedliner with the GMC logo ensures the bed stays protected from wear and tear. Additional towing features like hill descent control and a trailer camera system further improve confidence when towing, providing a clear view of your cargo and surroundings.
Whether you're hauling heavy loads, navigating rugged terrain, or enjoying a quiet drive through the city, the 2025 GMC Sierra 3500HD AT4 offers a robust blend of performance, comfort, and cutting-edge technology.
If you're considering this vehicle, the Walt Massey 3 Day Money Back Guarantee allows for peace of mind. If youre not fully satisfied, simply return the vehicle within three business days, prior to 5 p.m. CST, as long as it is in like new condition and hasnt been driven more than 300 miles. Should the vehicle exceed the 300-mile limit, there is a $1.00 per mile charge for each additional mile driven. This ensures that you can make a confident decision when choosing the right vehicle for your needs.
Not all rebates may apply. Some rebates are not compatible with other rebates. Offers are subject to change. See dealer for details. Price includes: $500 - GM Military Cash Allowance Program. Exp. 01/02/2026
Under the hood, the Sierra 3500HD AT4 is powered by the renowned Duramax 6.6L V8 turbodiesel engine, paired with a 10-speed automatic transmission and 4WD, offering impressive towing capacity and performance. The truck is engineered with an off-road mindset in mind, thanks to the X31 Off-Road Package that includes features designed to enhance traction and stability when navigating rough terrains. The two-speed active transfer case ensures optimal power distribution, allowing for a smooth and controlled driving experience in challenging conditions.
Inside, the Sierra 3500HD AT4 strikes a balance between utility and comfort. The cabin is adorned with premium leather seating, featuring both heated and ventilated front seats and heated outboard rear seats, ensuring that all passengers stay comfortable in any weather. The floor-mounted center console and advanced technology features, such as a multicolor 15-inch diagonal head-up display, provide both practical storage solutions and cutting-edge information at a glance.
The truck comes with a range of tech-savvy features to enhance your driving experience. The Bose Premium 7-speaker sound system provides excellent audio quality, while the 120-volt power outlets, including a bed-mounted one, allow for convenient charging on the go. The wireless phone projection and wireless charging capabilities help keep your devices powered without the need for cumbersome cables. Additionally, the truck is equipped with both rear USB charge ports and data ports for optimal connectivity.
For added convenience, the Sierra 3500HD AT4 features a suite of safety and driver-assistance technologies. These include a rearview camera, HD surround vision, rear cross-traffic alert, and ultrasonic front and rear park assist. The truck also comes with a safety alert seat that vibrates to warn the driver of potential hazards, while the trailer camera provisions and trailer side blind zone alert help make towing easier and safer.
For those who need to tow heavy loads, the truck is ready with a gooseneck/5th wheel prep package, making it ideal for hauling trailers. The spray-on pickup bedliner with the GMC logo ensures the bed stays protected from wear and tear. Additional towing features like hill descent control and a trailer camera system further improve confidence when towing, providing a clear view of your cargo and surroundings.
Whether you're hauling heavy loads, navigating rugged terrain, or enjoying a quiet drive through the city, the 2025 GMC Sierra 3500HD AT4 offers a robust blend of performance, comfort, and cutting-edge technology.
If you're considering this vehicle, the Walt Massey 3 Day Money Back Guarantee allows for peace of mind. If youre not fully satisfied, simply return the vehicle within three business days, prior to 5 p.m. CST, as long as it is in like new condition and hasnt been driven more than 300 miles. Should the vehicle exceed the 300-mile limit, there is a $1.00 per mile charge for each additional mile driven. This ensures that you can make a confident decision when choosing the right vehicle for your needs.
Not all rebates may apply. Some rebates are not compatible with other rebates. Offers are subject to change. See dealer for details. Price includes: $500 - GM Military Cash Allowance Program. Exp. 01/02/2026
Vehicle Details
Exterior
- Deep-tinted glass
- Provides added protection from sun and glare
- Body-color door handles
- Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
- Chrome mirror caps
- AT4 features high gloss Black mirror caps
- Power folding/extending
- Lower convex mirrors
- Heated upper glass
- Integrated turn signal indicators
- Puddle lamps
- Perimeter lighting
- Auxiliary lighting
- Extends 3.31-inches
- Side Bed Step
- Black textured step pads help provide secure footing
- Integrated on forward portion of outer bed on driver and passenger side to provide ease of access to forward portion of the bed
- Tailgate with EZ Lift assist, power lock & release
- Hitch area lighting
- May require additional optional equipment
- Black beltline moldings
- Spare tire carrier lock
- Helps keep spare tire secure
- GMC MultiPro Tailgate
- Six function tailgate designed to help improve loading, unloading and accessing the cargo box
- Hitch area lighting
- Power lock and release
- May require additional optional equipment
- Rear wheelhouse liners
- Help protect your truck's rear wheelhouse area from damage caused by dirt, rocks, mud, road salt and the weather
- May require additional optional equipment
- IntelliBeam
- At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions
- Cargo bed LED lighting
- Provides light to find cargo in the bed
- May require additional optional equipment
- 18" LT275/70R18 all-terrain, blackwall spare tire
- May require additional optional equipment
- Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
- LED fog lamps
- Body-color front bumper
- Cargo tie-downs
- 12-fixed rated at 500 lbs. per corner
- Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
- Body-color rear bumper
- With integrated CornerSteps
- Rainsense automatic wipers
- When turned on, will automatically clear the windshield when sensors detect varying degrees of precipitation on the windshield
- CornerStep rear bumper
- Helps make it easier to get into and out of the pickup bed
- Located at each end of the rear bumper
- Textured step pads to help provide secure footing
- High gloss Black mirror caps
- Spray-on bedliner
- Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
- Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
- Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
- Does not include spray-on liner on tailgate due to Black composite inner panel
- Includes GMC logo on all trims except PRO
- 20" high gloss Black aluminum wheels
- Wheels, 20" (50.8 cm) High Gloss black aluminum wheels, 8 spokes
- Tailgate and bed rail protection caps
- Winter Grille Cover
- May require additional optional equipment
- 20" LT275/65R20 BF Goodrich off-road T/A K blackwall tires
- Power sunroof
- Opens over the first row at the push of a button
- Retracts into the roof
- Offers tilt and slide features with express-open and -close
- May require additional optional equipment
- Front license plate bracket
- Front bracket is included if displaying a front license plate is required in your state
- Smoked Amber LED roof marker lamps
- Roof-mounted lamps near the front of the cab
- Power sliding rear window with rear defogger
- Utilizes a warming grid to remove fog or frost from the rear window
- The window switch is conveniently located in the overhead console for easy 1-touch operation
- May require additional optional equipment
- Black power-retractable assist steps with LED perimeter lighting
- Textured step pads help provide secure footing
- Retracts when not in use
- Deploy Running Board mode for car wash cleaning
- LED perimeter lighting
- May require additional optional equipment
Interior
- Ventilated driver and front passenger seats
- Separate buttons on the climate control panel allow you to choose from 3 levels of fan circulation
- Individually controlled
- Cooling feature includes both seatbacks and cushions
- May require additional optional equipment
- Rear window defogger
- Utilizes a warming grid to help remove fog or frost from the rear window
- USB ports
- (2) Data/charge ports located inside center console1
- Driver memory
- Press memory button 1 or 2 to program and recall preferences
- May require additional optional equipment
- Keyless Open and Start
- With the key fob in your possession, lock and unlock your car's doors by pressing the button on a front exterior door handle, increasing convenience
- Lockout protection helps you avoid locking keys in the vehicle
- Premium front floor liners with removable carpet insert
- Remote Start
- Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferences
- Locks doors and turns on parking lamps while the engine is running
- Activates the climate control system
- In-Vehicle Trailering App
- Checklist1
- Trailer maintenance reminders
- Trailer security alerts
- Trailer mileage
- Tow/haul reminder
- Trailer electrical diagnostics
- Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed
- Wireless Charging
- Uses induction technology for select portable electronic devices1
- Convenient charging location on the top of the center console
- Customers can charge their smartphones while they drive without connecting to any cables
- May require additional optional equipment
- Manual tilt and telescoping steering column
- Allows the driver to adjust the steering wheel up or down, and the steering column forward or back
- May require additional optional equipment
- Front center console
- Includes reconfigurable feature with cupholders, cell phone storage, power cord management and file holder capacity
- May require additional optional equipment
- Steering-wheel mounted controls
- Allow the driver to easily operate the audio system and phone interface controls
- May require additional optional equipment
- Power windows with driver and front passenger express-up/down
- Quickly raises the window or lowers it with the touch of a button
- If obstruction is detected, the anti-pinch feature will auto-reverse
- Power windows with rear express-down
- Premium rear floor liners with removable carpet insert
- Carpeted floor covering
- Color-keyed to match the interior
- 120-volt power outlet
- 3-prong auxiliary household-style outlet
- Located on the instrument panel
- Makes it convenient for powering laptops, phone chargers and other electronic devices
- May require additional optional equipment
- Power windows with driver express-up/down
- Quickly raises the window or lowers it with the touch of a button
- If an obstruction is detected, the anti-pinch feature will auto-reverse
- Outside temperature display
- Located in infotainment display
- USB ports
- (2) First row, located on console1
- USB ports
- (2) Charge ports located on rear of console1
- Front bucket seats
- May require additional optional equipment
- Seats, front bucket with center console (STD)
- Up-level rear seat with storage package
- 60/40 Full-length folding bench seat
- Seatback storage on left and right side
- Center fold out armrest with 2 cupholders
- Underseat storage (full cab width)
- Adaptive Cruise Control
- Automatically follows a detected vehicle ahead at a driver-selected following gap1
- If no vehicle is detected in your path, works like regular cruise control
- You can always override the feature and take control
- Adaptive Cruise Control is compatible with Trailering. It is important to ensure your trailer has functioning brakes while trailering with heavier loads. Read your Owner's Manual to review Trailer Brake requirements and to learn more about the limitations of this system.
- Compass
- Located in instrument cluster
- 10-way power driver seat with power lumbar
- Includes 8-way power driver seat
- Includes a 2-way power lumbar control
- Power door locks
- Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob (when equipped)
- 10-way power front passenger seat
- Includes 8-way power front passenger seat
- Includes a 2-way power lumbar control
- Heated steering wheel
- With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
- May require additional optional equipment
- Theft-deterrent unauthorized entry system
- Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitter
- Helps deter unauthorized entry, helping to protect your vehicle
- May require additional optional equipment
- Dual-zone automatic climate control
- Automatically maintains the selected temperatures for both the driver and front passenger
- Allows individual climate settings for both driver and front passenger
- Driver and front passenger can choose a temperature up to 30 degrees difference
- May require additional optional equipment
- 12.3" diagonal color Driver Information Center
- Includes driver personalization, warning messages and vehicle information
- Replaces traditional analog gauges with fully reconfigurable high definition cluster layout
- High definition display provides crisp, premium appearance
- 120-volt box-mounted power outlet
- 3-prong auxiliary household-style outlet
- Located in the pickup bed
- May require additional optional equipment
- Rear air vents
- Provides cabin comfort for rear occupants
- Wrapped steering wheel
- Heated driver and front outboard passenger seats
- Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
- At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control
- Individually controlled
- Seats can be programmed to automatically warm up when it's cold out
- May require additional optional equipment
- Assist handles
- Front A-pillar mounted for Driver and Passenger
- Rear B-pillar mounted
- Heated rear outboard seats
- At the touch of a button you can warm the cushions
- Provide comfort in cold weather for passengers in the rear outboard seating positions
- Passengers can manage heat settings with their own controls
- May require additional optional equipment
- 13.4" diagonal GMC Premium Infotainment System with Google built-in
- 13.4" diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM1 radio capable
- Bluetooth®2 streaming audio for music and select phones
- Wireless Apple CarPlay™ capability for compatible phones3
- Wireless Android Auto™ capability for compatible phones4
- Customize and manage entertainment and vehicle feature setting
- Use, control and manage select smartphone apps through the Infotainment system
- Voice-activated technology for phone
- Head-Up Display
- Multi-color 15" diagonal Head-Up Display
- Projects vehicle information onto the windshield low in the driver's line of sight to help you keep your eyes on the road
- Can select key vehicle information to display including an off-road inclinometer
- Adjustable vertical position and brightness of the display
- May require additional optional equipment
- Rear under-seat storage
- Accessory
- Lockable storage lid on Crew Cab models
- Contain, organize, conceal and secure items under the rear-seat
- Universal Home Remote
- 3-channel programmable
- Conveniently activates compatible devices such as garage door openers, security systems, and home automation devices from inside your vehicle
- May require additional optional equipment
- Rear Camera Mirror
- Uses a camera to provide you with the option of using a wide and less obstructed view behind your vehicle while driving instead of a traditional rearview mirror1
- The feature also allows brightness, vertical tilt and zoom adjustments
- May require additional optional equipment
Entertainment
- 13.4" diagonal GMC Premium Infotainment System with Google built-in
- 13.4" diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM1 radio capable
- Bluetooth®2 streaming audio for music and select phones
- Wireless Apple CarPlay™ capability for compatible phones3
- Wireless Android Auto™ capability for compatible phones4
- Customize and manage entertainment and vehicle feature setting
- Use, control and manage select smartphone apps through the Infotainment system
- Voice-activated technology for phone
- 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)
- Wireless phone projection
- For Apple CarPlay™1 and Android Auto™2
- Wi-Fi® hotspot capable
- Terms and limitations apply. See onstar.com or dealer for details.
- May require additional optional equipment
- Bose Premium Sound System
- 7-speakers with Richbass® woofer
- Bose is renowned for expert sound engineering and high-quality audio and with premium speakers positioned throughout the cabin
- May require additional optional equipment
- Bluetooth®
- Pair your compatible mobile phone to your vehicle's infotainment system1
- Place and receive hands-free phone calls
- Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
- With streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
- SiriusXM with 360L Trial Subscription
- With your trial subscription, new GM vehicles equipped with SiriusXM with 360L advance in-car technology will bring you closer to your favorite stars, artists, creators, hosts and athletes1
- SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music, talk and news, live sports, comedy, podcasts and more
- Experience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before
Mechanical
- Red vertical recovery hooks
- Two front frame-mounted1
- Pickup bed
- Roll-formed high-strength steel
- Includes bed assist step
- Skid plates
- Help protect the front underbody, oil pan and transfer case
- May require additional optional equipment
- Heavy-Duty Air Filter
- Thick construction helps to trap more dirt before it can enter the air intake
- Air filtration monitoring
- Alerts the driver when the engine air filter needs replacement
- Brake pad wear indicator
- External engine oil cooler
- Heavy-duty air-to-oil cooler
- Helps extend engine oil life under heavy loads
- Digital Variable Steering Assist
- This system automatically adjusts steering based on speed, road conditions, and other inputs to help reduce driver fatigue
- Fully boxed frame
- Hydroformed front section
- High-strength steel
- Push Button Start
- Autotrac® 2-speed transfer case with push button controls
- 4-button control 2WD, Auto, 4WD, 4WD LO
- 2WD High for most on-road and highway situations
- 4WD High for snowy or wet roads when added traction is needed
- 4WD Low for deep sand, mud or snow to provide maximum torque to all 4 wheels
- When in AUTO mode, remains in 2WD mode until the system detects wheel slippage
- Automatically engages 4WD until traction is regained
- May require additional optional equipment
- 4-wheel antilock disc brakes
- Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
- DuraLife™ brake rotors feature a hardened surface to reduce corrosion and provide quieter braking with less vibration. DuraLife™ rotors are hardened and strengthened during the manufacturing process
- Brake system features a corrosion-fighting process called Ferritic Nitro-Carburizing (FNC) which can double rotor life expectancy and reduce or minimize rust over non-FNC coated rotors
- Integrated trailer brake controller
- Integrated with the antilock brake system (ABS)
- Helps provide measured brake force signaling to electric-controlled trailer brake systems
- Trailer gain and output are displayed in the Driver Information Center
- Off-Road suspension
- May require additional optional equipment
- External auxiliary transmission oil cooler
- Heavy-duty air-to-oil cooler
- Helps provides optimal transmission performance even when operating under a heavy load or towing a trailer
- May require additional optional equipment
- Automatic locking rear differential
- When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
- The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
- Engine block heater
- Helps ease cold weather starts
- Heats the engine and engine block fluids
- 12,100 lbs. GVWR
- When properly equipped; includes weight of vehicle, passengers, cargo and equipment
- Allison® 10-speed automatic transmission
- Electronically controlled with overdrive for smooth-shifting performance
- Tow/Haul mode that reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
- Auto Grade Braking that automatically downshifts when needed to enable engine braking, helping to slow the vehicle on downhill grades and reduce brake wear (operates in Tow/Haul mode)
- May require additional optional equipment
- 6.6L Duramax Turbo-Diesel V8 engine
- 470 hp [350.5 kW] @ 2800 rpm
- 975 lb-ft of torque [1322 Nm] @ 1600 rpm
- 3.42 rear axle ratio
- Exhaust brake
- Engine block heater
- Capped fuel fill
- Paired with an Allison® 10-speed automatic transmission
- Diesel Exhaust Fluid (DEF) fill located in fuel door
- Engine after run feature for cooling performance
- May require additional optional equipment
- Gooseneck / 5th Wheel Prep Package
- Hitch platform to accept Gooseneck or 5th wheel hitch
- Hitch platform with tray to accept ball and stamped box holes with caps installed
- Box mounted 7-pin trailer harness
- May require additional optional equipment
- Diesel exhaust brake
- Reduces the amount of conventional braking needed while towing a heavy trailer or driving downhill
- Uses the variable vanes in the turbocharger to smoothly and quietly create additional back pressure in the engine to help slow the vehicle
- Works with the transmission's Tow/Haul mode and Auto Grade Braking to help the driver maintain the desired speed even on long, steep downgrades
- Switch activated
- May require additional optional equipment
- 3.42 rear axle ratio
- Requires a diesel engine
Safety
- HD Surround Vision
- Provides selectable digital camera views of the area around your vehicle1
- Can help you park or avoid vehicles and objects1
- You can also display a guideline to show where your vehicle is heading1
- Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
- Requires Auxiliary Trailer Camera if one of the following camera views is desired: Transparent Trailer, Rear Trailer View, Picture-in-Picture or Inside Trailer View
- May require additional optional equipment
- Front and Rear Park Assist
- Provides alerts of nearby detected vehicles and objects in front of or behind your vehicle1
- These can help you park and avoid collisions
- May require additional optional equipment
- Rear Seat Reminder
- Helps to remind the driver to check the back seat(s) before leaving the vehicle1
- Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
- Under certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver display
- Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
- LED Daytime Running Lamps
- Forward Collision Alert
- Warns you if it detects a potential collision with a detected vehicle you're following so you can take action1
- Can also provide a tailgating alert if you're following a vehicle much too closely
- Automatic Emergency Braking
- Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1
- Can automatically provide hard emergency braking or enhance your hard braking
- Works at speeds between 5 and 50 mph
- Rear Seat Belt Indicator
- Signature LED Daytime Running Lamps
- Safety Alert Seat
- Uses left-, right- or both-side driver seat vibration pulses to help you detect and identify the direction of potential crashes1
- You can also switch to beeping crash avoidance alerts
- May require additional optional equipment
- OnStar® services capable
- See onstar.com for details and limitations. Services vary by model. Service plan required.
- Hitch Guidance
- When in Reverse, displays a centered guideline on the Rear Vision Camera view1
- Can help you line up the hitch to your trailer
- When driving, lets you check the trailer using Rear Vision Camera view
- Tire Pressure Monitoring System with Tire Fill Alert
- Monitors tire pressure and alerts of an under-inflated condition in one or more of the tires1
- Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
- Hitch View
- Shows a close-up view of the trailer hitch1
- In Reverse, the view can be used to line up your hitch to your trailer
- When driving, the view can be used to check your trailer hitch
- Shifting to Park automatically engages the Electric Parking Brake (if equipped)
- May require additional optional equipment
- Rear Cross Traffic Alert
- When in Reverse, warns you of detected vehicles crossing behind you1
- May require additional optional equipment
- Buckle to Drive
- Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled
- The feature also reminds the front passenger to buckle up, if equipped
- Trailering camera provisions
- Includes connector for accessory wiring harness
- Front Pedestrian Braking
- At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you1
- Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
- Limited nighttime and low visibility performance
- Bed View Camera
- Camera in the Center High Mount Stop Lamp (CHMSL) provides an elevated view of the truck bed from the back of the cab1
- Allows driver to see inside the cargo bed on the infotainment display to help with 5th wheel or gooseneck hitching and to check cargo
- Includes 2 Trailer Camera Provisions
- May require additional optional equipment
- Hill Descent Control
- Uses antilock braking to help provide a smooth, controlled descent
- Helps driver maintain control of the vehicle without depressing the brake pedal
- Activates by pushing a button below the instrument panel
- May require additional optional equipment
- 6 airbags
- Dual-stage frontal airbags for driver and front outboard passenger1
- Seat-mounted side-impact airbags for driver and front outboard passenger1
- Head-curtain airbags for outboard seating positions1
- Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
- Trailer Side Blind Zone Alert
- Provides visual side-mirror alerts when a moving vehicle is detected in a side blind zone that is extended to trailer lengths1
- May require additional optional equipment
- Following Distance Indicator
- Displays the following time in seconds between your vehicle and a detected vehicle in front of you1
- Designed to help you maintain a safe following distance
- Lane Departure Warning
- Alerts you when it detects that you are unintentionally drifting out of detected lane lines1
- System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
- Seat Belt Adjustable Guide Loops
- Front row only
- StabiliTrak, electronic stability control system with traction control
- Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path
- Activates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travelling
- Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads
- Includes Brake Assist which detects rapid brake pedal applications due to emergency braking situations and provides additional braking via the Antilock Brake System (ABS) module
- Includes Trailer Sway Control
- Hill Start Assist
- Teen Driver
- Helps encourage safe driving habits for teens by providing an in-vehicle report card1
- Activates certain safety systems, if equipped, when a Teen Driver-designated key fob is used
- Mutes the radio until the front-seat occupants fasten their seat belts
- OnStar Basics
- Drive confidently with core OnStar services including1
- Remote commands
- Built-in voice assistance
- Real-time traffic and navigation
- Automatic Crash Response
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Disclaimer:
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; for the most accurate and up-to-date pricing details, please contact the dealership directly.
Walt Massey 3-Day Money Back Guarantee:
You’re guaranteed an exchange under the following conditions. The vehicle must be returned to the dealership where it was purchased or leased within three (3) business days prior to 5 PM CST. If the final day falls on a day when the dealership is closed, the period is extended by one day. The vehicle must be in “like new” condition, free from dents, scratches, stains, smoking, pet odors, or other damages, and it must not have been in an accident. The vehicle must be driven less than 300 miles. If driven over 300 miles, you may still return it, but a fee of $1.00 per additional mile will be charged.
Vehicles may not be physically located at this dealership but may be available for delivery; transportation charges may apply. Due to inventory spanning multiple locations, vehicle availability and location may change. All vehicles are subject to prior sale. Please get in touch with us for specific information and to confirm availability.
Terms may vary with approved credit. Monthly payment estimates are based on a 72-month term, 4.9% interest, and 20% downpayment. Walt Massey Savings | Discounts are available to everyone. For questions, call (601) 736-3432 or visit us at the dealership.
EPA mileage ratings are estimates only, and actual mileage may vary. For used vehicles, MPG estimates are based on EPA ratings when the vehicle was new, reflecting the calculation methodology in place at that time. For more information on updated MPG calculations, please visit the Fuel Economy section of the EPA’s website.
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.