MSRP $63,405.00
Internet Discount $2,000.00
Featured Price $61,405.00
Offers $1,000.00
Final Price $60,405.00
VIN Badges: {}
Doors: 4 door
Drive Line: 4WD
Engine: 6.6L V8 Gas engine
Fuel Type: Gasoline Fuel
Cab: Crew Cab
Transmission: Automatic
VIN: 1GT1UME79TF182773
Stock #: P8127
Interior Color: Jet Black, Cloth seat trim
Exterior Color: Summit White

Powertrain

Fuel tank capacity 36 gal
Horsepower 401
Fuel System Direct Injection

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 2026 Warranty >>>
Basic 3 Years/36,000 Miles
Maintenance First Visit: 12 Months/12,000 Miles

Safety-Exterior

LED Daytime Running Lamps
Signature LED Daytime Running Lamps

Entertainment

Wireless phone projection
  • For Apple CarPlay1 and Android Auto2
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
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
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
6-speaker audio system
  • Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience

Specs and Dimensions

Towing capacity 16000 lbs

Mechanical

10-speed automatic transmission
  • Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
  • Electronically controlled with overdrive
  • 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)
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
3.73 rear axle ratio
  • Requires a gas engine
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
Heavy-duty 720 cold-cranking amps battery
  • 80 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • May require additional optional equipment
Brake pad wear indicator
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
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
Pickup bed
  • Roll-formed high-strength steel
  • Includes bed assist step
6.6L V8 Gas engine
  • 401 hp [299 kW] @ 5200 rpm
  • 464 lb-ft of torque [629 N-m] @ 4000 rpm
  • 3.73 rear axle ratio
  • Paired with an Allison® 10-speed automatic transmission
  • Capless fuel fill
Capless fuel fill
  • Prevents paint scratches that can result from a tethered fuel cap
  • Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
  • Requires gasoline engine
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
Lowered GVWR, 10,000 lbs.
  • When properly equipped; includes weight of vehicle, passengers, cargo and equipment
220-amp alternator
  • May require additional optional equipment
Skid plates
  • Help protect the front underbody, oil pan and transfer case
  • May require additional optional equipment

Seats and Trim

Max seating capacity 6

Interior

Carpeted floor covering
  • Color-keyed to match the interior
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
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 rear express-down
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
Inside rearview manual day/night mirror
  • Adjust the tilt of the mirror to help reduce glare during nighttime driving
Cruise control
  • Maintains a selected speed while driving
  • Automatically disengages when the vehicle's traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak® stability control system detects an oncoming skid
  • Set and resume speed functions
  • Steering-wheel mounted controls to easily maintain and manage cruising speed
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
60/40 split-folding rear bench seat
  • Includes child seat top tether anchor
  • Can fold one or both sides up
4-way manual front passenger seat
Single-zone manual climate control
  • Maintains a selected temperature
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
Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
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
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
Compass
  • Located in instrument cluster
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
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
Rear air vents
  • Provides cabin comfort for rear occupants
Wrapped steering wheel
Outside temperature display
  • Located in infotainment display
Rear rubberized-vinyl floor mats
  • Helps protect your interior from road debris and the elements
  • May require additional optional equipment
4-way manual driver seat
All-weather floor liners
  • Provides coverage for first and second-row seating
  • Feature a textured, anti-slip pattern that helps trap debris and water while providing carpet coverage
  • Include Brand logo
  • Replaces factory floor mats
10-way power driver seat with power lumbar
  • Includes 8-way power driver seat
  • Includes a 2-way power lumbar control
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
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
Rear window defogger
  • Utilizes a warming grid to help remove fog or frost from the rear window

Safety-Interior

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
Seat Belt Adjustable Guide Loops
  • Front row only
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
Trailering Information Label
  • Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
OnStar Basics
  • Drive confidently with core OnStar services including1
    • Remote commands
    • Built-in voice assistance
    • Real-time traffic and navigation
    • Automatic Crash Response
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
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
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
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
OnStar® services capable
  • See onstar.com for details and limitations. Services vary by model. Service plan required.
Rear Seat Belt Indicator

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
Assist Step and Floor Liner Package
  • All-weather floor liners
  • Choice of assist step 6" Chrome rectangular tubular assist step or 4" Chrome round tubular assist step
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

Exterior

Chrome front bumper
  • May require additional optional equipment
17" LT245/75R17E all-season, blackwall spare tire
  • May require additional optional equipment
Deep-tinted glass
  • Provides added protection from sun and glare
Body-color door handles
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
Chrome rear bumper
  • With integrated CornerSteps
  • May require additional optional equipment
Cab-mounted cargo area lamps
  • Activated by switch located on center switch bank
  • Illuminates the cargo bed area
Black outside power-adjustable vertical trailering mirrors
  • Lower convex mirrors
  • Heated upper glass
  • Integrated turn signal indicators
  • Manual folding/extending
  • Extends 3.31-inches
  • May require additional optional equipment
Spare tire carrier lock
  • Helps keep spare tire secure
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
17" LT245/75R17E all-season, blackwall tires
IntelliBeam
  • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
Chrome beltline moldings
Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • May require additional optional equipment
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
17" machined aluminum wheels
LED tail lamps
Tailgate and bed rail protection caps
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
LED fog lamps
6" Chrome assist steps
  • Steps make it easier to get in and out of your vehicle
  • Textured step pads help provide secure footing
  • 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
Front and rear Black molded splash guards
  • Help protect the exterior of your vehicle from tire splash and road debris
  • Custom molded to match the exterior of your vehicle for an integrated, stylish appearance
  • Fit directly behind the wheels
  • Rear splash guards include brand logo

Safety-Mechanical

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
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
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
* While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Swanson GMC.
https://www.swansongmc.com/new/GMC/2026-GMC-Sierra-2500-HD-Acton-MA-bb50f487ac183b11f3cdb3dc1c0894a3.htm

Location

Hours

  • Monday 9:00 am - 6:00 pm
  • Tuesday 9:00 am - 6:00 pm
  • Wednesday 9:00 am - 6:00 pm
  • Thursday 9:00 am - 6:00 pm
  • Friday 9:00 am - 6:00 pm
  • Saturday 9:00 am - 4:00 pm
  • Sunday Closed
See All Department Hours

Sales Hours

  • Monday 9:00 am - 6:00 pm
  • Tuesday 9:00 am - 6:00 pm
  • Wednesday 9:00 am - 6:00 pm
  • Thursday 9:00 am - 6:00 pm
  • Friday 9:00 am - 6:00 pm
  • Saturday 9:00 am - 4:00 pm
  • Sunday Closed

Parts Dept. Hours

  • Monday 7:30 am - 5:00 pm
  • Tuesday 7:30 am - 5:00 pm
  • Wednesday 7:30 am - 5:00 pm
  • Thursday 7:30 am - 5:00 pm
  • Friday 7:30 am - 5:00 pm
  • Saturday Closed
  • Sunday Closed

Service Dept. Hours

  • Monday 7:30 am - 5:00 pm
  • Tuesday 7:30 am - 5:00 pm
  • Wednesday 7:30 am - 5:00 pm
  • Thursday 7:30 am - 5:00 pm
  • Friday 7:30 am - 5:00 pm
  • Saturday Closed
  • Sunday Closed
Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

1Dealer Discount applied to everyone