New
2025
GMC
Sierra 3500 HD
Denali Ultimate DRW
VIN
1GT4UYEY0SF259624
Stock Number
T55696
- MSRP $103,340
- Net Cost $103,242
See Important Disclosures Here
New 2025 GMC Sierra 3500 HD Denali Ultimate DRW
Gallery
Dealership Photos
Manufacturer Photos
May not represent actual vehicle (options, colors, trim and body style may vary).
Current Offers
- MSRP $103,340
- Thorson Discount 1- $98
- Price Before Rebates $103,242
- Total Discounts & Rebates $98
Click here for more offer information
1Everyone Qualifies.
Current Offers
- MSRP $103,340
- Thorson Discount 1- $98
- Price Before Rebates $103,242
- Total Discounts & Rebates $98
Finance Offers
- Take Retail Delivery By 06-02-20253.9% APR for 48 Months for Well-Qualified Buyers When Financed w/ GM Financial 225-40G-4: For Well-Qualified Buyers When Financed w/ GM Financial
Click here for more offer information
1Everyone Qualifies.
23.9% APR for 48 months for well-qualified buyers when financed w/GM Financial. Monthly payment is $22.53 for every $1000 you finance. Average example down payment is 11.7%. Not available with leases and some other offers. Must take new retail delivery by 06/02/2025.
Current Offers
- MSRP $103,340
- Thorson Discount 1- $98
- Price Before Rebates $103,242
- Total Discounts & Rebates $98
Click here for more offer information
1Everyone Qualifies.
Specifications
- Exterior Summit White
- Interior Alpine Umber Full Grain Leather Seating Surfaces
- Transmission Automatic
- Engine 6.6L Duramax Turbo-Diesel V8 engine
- VIN 1GT4UYEY0SF259624
- Stock Number T55696
Contact Us
Vehicle At A Glance
- Fuel Economy * N/A city / N/A hwy
- Mileage N/A
- Transmission 10-Speed A/T
- Exterior Color Summit White
- Interior Color Alpine Umber Full Grain Leather Seating Surfaces
- Engine Data 6.6L Duramax Turbo-Diesel V8 engine
Payment Calculator
Vehicle Description
This 2025 GMC Sierra 3500HD Denali Ultimate, has a Summit White exterior color and a Alpine Umber interior color with 0 miles. The Stock Number is T55696. You can connect with us by calling 626-381-9685. OTHER NOTABLE FEATURES AND OPTIONS YOU SHOULD KNOW ABOUT: Preferred Equipment Group 5SBSiriusXM with 360L Trial SubscriptionPower Sliding Rear Window with DefoggerPower Front Windows with Passenger Express Up/downDeep-Tinted GlassKeyless Open and StartRear Wheelhouse LinersPush Button StartRemote Vehicle Starter SystemElectric Rear-Window DefoggerFront Rain-Sensing WipersPower SunroofSpray-On Pickup Bedliner with GMC LogoTechnology PackageFloor-Mounted Center ConsoleSignature Denali Ultimate Grille in Vader ChromeSafety Alert SeatWireless ChargingHeated Driver and Front Outboard Passenger SeatsHeated 2nd Row Outboard Seats120-Volt Bed Mounted Power Outlet120-Volt Instrument Panel Power OutletVentilated Driver and Front Passenger SeatsManual Tilt-Wheel/telescoping Steering Column2-Speed Active Transfer CaseSierra HD Pro SafetyWireless Phone ProjectionProGrade Trailering SystemTrailer Tire Pressure Monitor SensorsTrailer Camera ProvisionsLED Smoked Amber Roof Marker Lamps2 Charge/data USB Ports Inside Center Console2 USB Ports2 Charge-Only Rear USB PortsUltrasonic Front and Rear Park AssistLED Cargo Area LightingRear Cross Traffic AlertUniversal Home RemoteSteering Wheel Audio ControlsTrailer Side Blind Zone AlertBose Premium Series 12-Speaker SystemUnauthorized Entry Theft-Deterrent SystemHD Surround VisionBed View Camera with Two Trailer Camera ProvisionsX31 Off-Road Package Safety and Security Forward collision mitigation - Forward thinking. You look away for just a second and suddenly the vehicle in front of you has stopped. That's when the forward collision mitigation system comes to life. When it senses an impending impact, it will activate a combination of features to help prevent or reduce the severity of an accident. Forward collision mitigation is always looking ahead. Forward collision mitigation - Forward thinking. You look away for just a second and suddenly the vehicle in front of you has stopped. That's when the forward collision mitigation system comes to life. When it senses an impending impact, it will activate a combination of features to help prevent or reduce the severity of an accident. Forward collision mitigation is always looking ahead. Pedestrian impact prevention - An extra step toward safety. Pedestrians don't always stop, look, and listen, but with Pedestrian Impact Prevention, your vehicle is equipped to better see them and avoid them. This system constantly monitors the road ahead to identify and track pedestrians. It projects that image to an interior display screen, AND should an impact become likely, Pedestrian impact prevention takes steps to avoid a collision. Pedestrian impact prevention - An extra step toward safety. Pedestrians don't always stop, look, and listen, but with Pedestrian Impact Prevention, your vehicle is equipped to better see them and avoid them. This system constantly monitors the road ahead to identify and track pedestrians. It projects that image to an interior display screen, AND should an impact become likely, Pedestrian impact prevention takes steps to avoid a collision.Technology and Telematics Android Auto/Apple CarPlay smart device wireless mirroring Welcome to Thorson Motor Center! As your Pasadena Buick and GMC dealership, we have an outstanding reputation because we put the customer first. We are a proud automotive supplier for Pasadena, Glendale, Fullerton, Alhambra, Long Beach, Santa Ana, Pomona, Downey, El Monte, Arcadia, and West Covina auto drivers. Whether you are looking for a new or used vehicle, researching financing options, or visiting our state-of-the-art service department to get a free car wash. We understand the importance of keeping your vehicle well maintained. You will find our courteous staff to be at the peak of integrity and customer serv
Specifications
Exterior
- 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
- 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
- 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
- Deep-tinted glass, Provides added protection from sun and glare
- Rainsense automatic wipers, When turned on, will automatically clear the windshield when sensors detect varying degrees of precipitation on the windshield
- 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
- Cargo bed LED lighting, Provides light to find cargo in the bed May require additional optional equipment
- Smoked Amber LED roof marker lamps, Roof-mounted lamps near the front of the cab
- Winter Grille Cover, May require additional optional equipment
- Spare tire carrier lock, Helps keep spare tire secure
- MultiPro™ Audio System by Kicker, A weatherproof audio package that fits the MultiPro™ exclusively. Bluetooth® sound streams from connected devices to the 2-channel, 100 watt, 50 watts RMS per-channel Tailgate Sound System. The illuminated display puts the user in charge of the programming track, volume and source System operation that is completely independent of the interior audiosystem Bluetooth®1 compatibility for wireless playback 3.5mm and USB inputs for audio playbacks A custom ABS baffle with full gasket sealing A weatherproof amplifier hidden in the tailgate
- Body-color front bumper
- Stainless-steel beltline moldings
- IntelliBeam, At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions
- 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
- Cargo tie-downs, 12-fixed rated at 500 lbs. per corner
- Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
- Chrome mirror caps
- Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
- Tailgate with EZ Lift assist, power lock & release, Hitch area lighting May require additional optional equipment
- Tailgate and bed rail protection caps
- 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
- LED fog lamps
- Body-color rear bumper, With integrated CornerSteps
- Chrome door handles
- 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
- 18" Polished forged aluminum wheels
- Dual Rear wheelhouse liners
- 18" LT235/80R18 blackwall all-terrain spare tire
- Front license plate bracket, Front bracket is included if displaying a front license plate is required in your state
- 18" LT235/80R18 all-terrain, blackwall tires
Interior
- Carpeted floor covering, Color-keyed to match the interior
- 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
- Rear air vents, Provides cabin comfort for rear occupants
- 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
- 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.
- 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
- 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
- Leather-wrapped steering wheel, Includes controls for audio, phone, Driver Information Center and cruise control
- 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 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
- 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
- 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
- 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
- Front bucket seats, 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
- 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
- Outside temperature display, Located in infotainment display
- USB ports, (2) Data/charge ports located inside center console¹
- 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
- 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)
- 16-way power passenger seat with power lumbar and massage
- 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
- USB ports, (2) Charge ports located on rear of console¹
- Steering-wheel mounted controls, Allow the driver to easily operate the audio system and phone interface controls May require additional optional equipment
- 16-way power driver seat with power lumbar and massage
- 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
- 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
- Driver memory, Press memory button 1 or 2 to program and recall preferences May require additional optional equipment
- Compass, Located in instrument cluster
- Rear carpeted floor mats, Helps protect your interior from road debris and the elements Color-keyed to match the interior Denali models feature unique premium tufted carpeting
- USB ports, (2) First row, located on console¹
- 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
- 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)
- Power windows with rear express-down
- 120-volt box-mounted power outlet, 3-prong auxiliary household-style outlet Located in the pickup bed 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
- Rear window defogger, Utilizes a warming grid to help remove fog or frost from the rear window
- Front carpeted floor mats, Helps protect your interior from road debris and the elements Color-keyed to match the interior Denali models feature unique premium tufted carpeting
- Front center console, Includes reconfigurable feature with cupholders, cell phone storage, power cord management and file holder capacity 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
- 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
Entertainment
- Wi-Fi® hotspot capable, Terms and limitations apply. See onstar.com or dealer for details. 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
- 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
- Wireless phone projection, For Apple CarPlay™¹ and Android Auto™²
- 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
- Bose Premium Series with 12-speaker system with CenterPoint, 12-speakers with Richbass® woofer Bose is renowned for expert sound engineering and high-quality audio and with premium speakers positioned throughout the cabin
Mechanical
- Digital Variable Steering Assist, This system automatically adjusts steering based on speed, road conditions, and other inputs to help reduce driver fatigue
- Chrome vertical recovery hooks, Two front frame-mounted1
- Pickup bed, Roll-formed high-strength steel Includes bed assist step
- 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
- Engine block heater, Helps ease cold weather starts Heats the engine and engine block fluids
- Heavy-Duty Air Filter, Thick construction helps to trap more dirt before it can enter the air intake
- 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
- External engine oil cooler, Heavy-duty air-to-oil cooler Helps extend engine oil life under heavy loads
- Capped fuel fill, Requires diesel engine or pickup bed delete
- Brake pad wear indicator
- Fully boxed frame, Hydroformed front section High-strength steel
- 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
- Push Button Start
- 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
- 3.42 rear axle ratio, Requires a diesel engine
- 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
- Air filtration monitoring, Alerts the driver when the engine air filter needs replacement
- 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
- Skid plates, Help protect the front underbody, oil pan and transfer case May require additional optional equipment
- 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
- Heavy-duty 730 cold-cranking amps battery, 70 Amp-hr Maintenance-free with rundown protection and retained accessory power
- 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
- Suspension Package, Designed to help maintain handling and ride quality while towing a trailer or carrying a load
- 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
- 14,000 lbs. GVWR, When properly equipped; includes weight of vehicle, passengers, cargo and equipment
Safety
- 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
- 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
- 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
- LED Daytime Running Lamps
- Trailer Tire Pressure and Temperature Sensors, Set of 4 sensors Sensors will be shipped loose with the truck and will need to be installed on trailer by customer Additional or replacement sensors are available as GM Accessory System is capable of monitoring up to 6 wheels May require additional optional equipment
- 3 Years of OnStar® Premium Plan, Access the entire suite of OnStar Safety & Security Services and Connected Services¹. This includes the OnStar Guardian app, connectivity for available In-Vehicle Apps, In-Vehicle Wi-Fi Hotspot data and Remote Access through the myGMC mobile app
- Seat Belt Adjustable Guide Loops, Front row only
- 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
- Signature LED Daytime Running Lamps
- 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
- 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
- Rear Cross Traffic Alert, When in Reverse, warns you of detected vehicles crossing behind you¹ 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
- Rear Seat Belt Indicator
- 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
- 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
- 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
- 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
- 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
- Trailering camera provisions, Includes connector for accessory wiring harness
- 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
- 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
- OnStar® services capable, See onstar.com for details and limitations. Services vary by model. Service plan required.
- 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
- 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
- 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
- OnStar Basics, Drive confidently with core OnStar services including¹ Remote commands Built-in voice assistance Real-time traffic and navigation Automatic Crash Response
Package
- ProGrade Trailering System, Hitch Guidance with Hitch View In-vehicle Trailering App
- Technology Package, Rear Camera Mirror¹ Multi-color 15" Diagonal Head-Up Display¹ AT4 Preferred Package on AT4 May require additional optional equipment
- Trailering Package, Trailer hitch¹ Trailering hitch platform Includes a 2.5" receiver hitch (with 2" insert), 4-pin and 7-pin connectors 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle Hitch Guidance² May require additional optional equipment
- Sierra HD Pro Safety, Forward Collision Alert¹ Following Distance Indicator¹ Front Pedestrian Braking¹ IntelliBeam Lane Departure Warning¹ Buckle to Drive Automatic Emergency Braking¹
Warranty
- Corrosion: 3 Years/36,000 Miles, Rust-Through, 6 Years/100,000 Miles
- Roadside Assistance: 5 Years/60,000 Miles, 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
- Drivetrain: 5 Years/60,000 Miles, 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
- Warranty: <<< Preliminary 2025 Warranty >>>
- Basic: 3 Years/36,000 Miles
- Maintenance: First Visit: 12 Months/12,000 Miles
Options
- Wheels, 18" (45.7 cm) Polished forged aluminum
- Rear axle, 3.42 ratio
- Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
- Gooseneck / 5th Wheel Prep Package
- GVWR, 14,000 lbs. (6350 kg) with dual rear wheels
- Transmission, Allison 10-speed automatic
- Emissions, California state requirements
Accessories
Shop our entire portfolio of GMC Accessories and make your vehicle one of a kind.
Whether you’re looking for Premium All-Weather Floor Liners and Floor Mats to help protect your interior, 22” Wheels and Black GMC Emblems for personal style or a set of Cross Rails to expand your cargo options, we’ve got you covered.
Choose from the only accessories Designed, Engineered, Tested and Backed by GMC as well as Associated Accessories from our partners at Thule, Kicker and others to personalize and enhance your vehicle.
Similar Vehicles
- Net Cost
- $106,777
- Fuel Economy
- N/A city / N/A hwy
- Engine Data
- 6.6L Duramax Turbo-Diesel V8 engine
All Vehicles
Tax, title, license and dealer fees (unless itemized above) are extra. Not available with special finance or lease offers.
All prices exclude government fees and taxes, any finance charges, any dealer document processing charge, any electronic filing charge, and any emission testing charge.
All Vehicles
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 EPAs website for details, including a MPG recalculation tool).
The features and options listed are for the new 2025 GMC Sierra 3500 HD and may not apply to this specific vehicle.