New
2025
GMC
Sierra 3500 HD
SLE DRW
- MSRP $74,255
See Important Disclosures Here
New
2025
GMC
Sierra 3500 HD
SLE DRW
Dealership Photos
Manufacturer Photos
May not represent actual vehicle (options, colors, trim and body style may vary).
Current Offers
- MSRP $74,255
Available Specials
- UAW Hourly Employee Vehicle Allowance 1$1,500
- Military Cash Allowance 2$500
- 3.9% APR for 48 Months for Well-Qualified Buyers When Financed w/ GM Financial 324-40G-15: For Well-Qualified Buyers When Financed w/ GM Financial
Click here for more offer information
12025 UAW-GM Hourly Employee Vehicle AllowanceREFER TO WWW.GMFAMILYFIRST.COM FOR COMPLETE ELIGIBILTY DETAILS. Must meet incentive eligibility criteria. Not all buyers may qualify. Please ask your salesperson for details.
22025 GM Military Cash AllowanceMilitary Cash Allowance is available for active, reserve and retired military personnel, including discharged veterans within three years of the discharge date who purchase/lease one of the eligible models. Eligibility of this program can be transferred within the household. Refer to www.GMMilitaryDiscount.com for complete eligibility details. Must meet incentive eligibility criteria. Not all buyers may qualify. Please ask your salesperson for details.
33.9% 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 10.0%. Not available with leases and some other offers. Must take new retail delivery by 12/02/2024.
Specifications
- Exterior Thunderstorm Gray
- Interior Jet Black
- MSRP $74,255
- Mileage 8
- Transmission Automatic
- Engine 6.6L 8 CYL
- Model Code TK30903
- Stock Number SF155660
- VIN 1GT3UTEY1SF155660
Only 4 vehicles like this remaining
Specifications
Exterior
- Chrome front bumper, May require additional optional equipment
- Deep-tinted glass, Provides added protection from sun and glare
- Body-color door handles
- 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
- 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
- Cargo tie-downs, 12-fixed rated at 500 lbs. per corner
- Tailgate with EZ Lift assist, power lock & release, Hitch area lighting May require additional optional equipment
- Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
- 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
- Tailgate and bed rail protection caps
- Chrome rear bumper, With integrated CornerSteps May require additional optional equipment
- Spare tire carrier lock, Helps keep spare tire secure
- 17" LT235/80R17E all-terrain, blackwall spare tire
- 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
- 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
- 17" painted steel wheels
- Black outside power-adjustable vertical trailering mirrors with power folding/manual extending auto-dimming driver upper glass, Lower convex mirrors Heated upper glass Integrated turn signal indicators Puddle lamps Perimeter lighting Auxiliary lighting Extends 3.31-inches May require additional optional equipment
- Front license plate bracket, Front bracket is included if displaying a front license plate is required in your state
- 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
- Smoked Amber LED roof marker lamps, Roof-mounted lamps near the front of the cab
- Chrome wheel trim and chrome center caps
- 17" LT235/80R17E all-terrain, blackwall tires
- LED fog lamps
- Winter Grille Cover, May require additional optional equipment
- Cargo bed LED lighting, Provides light to find cargo in the bed May require additional optional equipment
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
- 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
- Carpeted floor covering, Color-keyed to match the interior
- 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
- Compass, Located in instrument cluster
- USB ports, (2) Data/charge ports located on instrument panel¹
- 120-volt box-mounted power outlet, 3-prong auxiliary household-style outlet Located in the pickup bed May require additional optional equipment
- Wrapped steering wheel
- Assist handles, Front A-pillar mounted for Driver and Passenger Rear B-pillar mounted
- Power windows with front passenger express-down, Quickly lowers the window with the touch of a button If an obstruction is detected, the anti-pinch feature will auto-reverse
- 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
- 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)
- Front rubberized-vinyl floor mats, Helps protect your interior from road debris and the elements May require additional optional equipment
- 40/20/40 split-bench front seat with under-seat storage, Seating for up to 3 Driver and front passenger seatbacks recline Head restraints at the outboard seating positions Center seatback that doubles as a fold-down armrest with storage
- 4-way manual front passenger seat
- 10-way power driver seat with power lumbar, Includes 8-way power driver seat Includes a 2-way power lumbar control
- 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.
- 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
- 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
- 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
- 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
- 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
- Rear window defogger, Utilizes a warming grid to help remove fog or frost from the rear window
- 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
- 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
- Inside rearview auto-dimming mirror, Automatically dims the inside rearview mirror when it senses bright light from behind When headlamp glare is no longer detected, the mirror returns to its normal state
Entertainment
- 2-speaker audio system, Includes 2 speakers placed in the front doors
- Wi-Fi® hotspot capable, Terms and limitations apply. See onstar.com or dealer for details. 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
- 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
- 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
Mechanical
- Pickup bed, Roll-formed high-strength steel Includes bed assist step
- Fully boxed frame, Hydroformed front section High-strength steel
- 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
- Suspension Package, Designed to help maintain handling and ride quality while towing a trailer or carrying a load
- Steering, Recirculating Ball with smart flow power steering system
- 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
- Black vertical recovery hooks, Two front frame-mounted¹
- 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
- 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
- Electronic shift 2-speed transfer case with push button controls, System shift smoothly between drive settings to handle a variety of road conditions 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 May require additional optional equipment
- Heavy-Duty Air Filter, Thick construction helps to trap more dirt before it can enter the air intake
- External engine oil cooler, Heavy-duty air-to-oil cooler Helps extend engine oil life under heavy loads
- Brake pad wear indicator
- Engine block heater, Helps ease cold weather starts Heats the engine and engine block fluids
- 14,000 lbs. GVWR, When properly equipped; includes weight of vehicle, passengers, cargo and 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
- 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
- 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
- 220-amp alternator, May require additional optional equipment
- 3.42 rear axle ratio, Requires a diesel engine
Safety
- 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
- HD Rear Vision Camera, Shows high-resolution digital image of area directly behind your vehicle while in Reverse¹ Can help you park or avoid vehicles and objects You can also display an overlay of where your vehicle is heading Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly May require additional optional equipment
- 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
- 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 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
- 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
- OnStar® services capable, See onstar.com for details and limitations. Services vary by model. Service plan required.
- 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
- Signature LED Daytime Running Lamps
- 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
- 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
- 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 Cross Traffic Alert, When in Reverse, warns you of detected vehicles crossing behind you¹ May require additional optional equipment
- 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
Package
- 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
- Heat Package, Heated driver and front passenger seats Heated steering wheel May require additional optional equipment
- Remote Start Package, Remote Start Content theft alarm Rear-window defogger
- SLE Convenience package, Dual climate control 10-way power driver seat including power lumbar Manual tilt/telescoping steering column LED roof marker lamps LED fog lights
- Snow Plow Prep / Camper Package, Power feed to accommodate a backup and roof emergency light¹ A single 220-amp alternator Heavy-duty front springs Under body skid plates to help protect the transfer case from debris May require additional optional equipment
- Sierra HD Pro Safety Plus Package, Trailer Side Blind Zone Alert¹ Rear Cross Traffic Alert¹ Front and rear park assist¹ Bed View Camera (Crew Cab and Double Cab models) HD Surround Vision¹ (Crew Cab and Double Cab models) Trailer Camera Provisions (Crew Cab and Double Cab models) Rear Park Assist¹ on SLE models In Vehicle Trailering App on SLE models Safety Alert Seat on SLT May require additional optional equipment
- Gooseneck Hitch Package, Gooseneck ball Chain tiedown kit with case May require additional optional equipment
- SLE Preferred Package, Universal Home Remote (Crew Cab and Double Cab only) Rear sliding power window (Crew Cab and Double Cab only) Hitch Guidance with Hitch View¹ In-vehicle Trailering App Adaptive Cruise Control¹ Cargo bed LED lighting May require additional optional equipment
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
- SLE Heated package
- Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
- Emissions, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont, Virginia and Washington state requirements
- Rear axle, 3.42 ratio
- Snow Plow Prep/Camper Package
- GVWR, 14,000 lbs. (6350 kg) with dual rear wheels
- Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass
- Transmission, Allison 10-speed automatic
- SLE Convenience Package
- Gooseneck / 5th Wheel Prep Package
- Tailgate, GMC MultiPro Tailgate
- Sierra HD Pro Safety Plus Package
- LPO, Hitch Package
- Preferred Package
- Remote Start Package
- LPO, MultiPro Tailgate Audio System by Kicker
- Thunderstorm Gray
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Vehicle Description
Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible,Gooseneck / 5Th Wheel Prep Package,Sle Convenience Package,Lpo; Multipro Tailgate Audio System By Kicker,Preferred Package,Snow Plow Prep/Camper Package,Remote Start Package,Mirrors; Outside Power-Adjustable Vertical Trailering With Heated And Auto-Dimming Upper Glass,Thunderstorm Gray,Sierra Hd Pro Safety Plus Package,Navigation System,Tailgate; Gmc Multipro Tailgate,Sle Heated Package,Lpo; Hitch Package,Keyless Start,Emissions; Colorado; Connecticut; Delaware; Maine; Maryland; Massachusetts; Minnesota; Nevada; New Jersey; New York; Oregon; Pennsylvania; Rhode Island; Vermont; Virginia And Washington State Requirements,Gvwr; 14;000 Lbs. (6350 Kg) With Dual Rear Wheels,Jet Black; Cloth Seat Trim,Rear Axle; 3.42 Ratio,Transmission; Allison 10-Speed Automatic
Vehicle At A Glance
- Rear Parking Aid
- Keyless Entry
- Satellite Radio
- Bluetooth Connection
- Heated Front Seat(s)
- Smart Device Integration
- Cross-Traffic Alert
- Multi-Zone A/C
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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.
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Dealer sets actual price. Accessories and color may vary. Quoted price subject to change without notice to correct errors or omissions. New vehicle pricing may already include applicable manufacturer incentives which may expire at any time. Manufacturer incentive data and vehicle features is provided by third parties and believed to be accurate as of the time of publication. Please note AutoNation Savings is available to everyone. Please contact the store by email or phone for details and availability of incentives. Dealer delivery and handling fee of $799 included in quoted price. Sales tax or other taxes, tag, registration fees, and government fees is not included in quoted price. Certain data and other content displayed herein is copyrighted by AutoNation, Inc. and / or third parties. (In addition, providers of data and other materials to AutoNation, Inc. or such third parties may have a copyright interest in and to such data to the extent that such data and other materials are subject to copyright protection under applicable United States laws.) Such data may not be reproduced or distributed in whole or in part by any printed, electronic or other means without explicit written permission from AutoNation, Inc. All information is gathered from sources that are believed to be reliable, but no assurance can be given that this information is complete and neither AutoNation, Inc. nor its suppliers assume any responsibility for errors or omissions or warrant the accuracy of this information. Displayed MPG is based on applicable EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid models only) and other factors.
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.