MSRP	$77,985.00
Offers	$1,000.00
Final Price	$76,985.00

VIN Badges:	{}

Doors:	4 door
Drive Line:	4WD
Engine:	6.6L Duramax Turbo-Diesel V8 engine
Fuel Type:	Diesel Fuel
Cab:	Crew Cab

Transmission:	Automatic
VIN:	1GT4UNEY2TF217150
Stock #:	P8148
Interior Color:	Jet Black, Perforated Leather-appointed front outb
Exterior Color:	Summit White

Powertrain

Fuel tank capacity	36 gal
Horsepower	470
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 CarPlay^™¹ and Android Auto^™²
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
Wi-Fi^® Hotspot capable	Terms and limitations apply. See onstar.com or dealer for details. May require additional optional equipment

Specs and Dimensions

Towing capacity	18500 lbs

Mechanical

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
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
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
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
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
Pickup bed	Roll-formed high-strength steel Includes bed assist step

Digital Variable Steering Assist	This system automatically adjusts steering based on speed, road conditions, and other inputs to help reduce driver fatigue
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
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
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
Heavy-duty dual batteries with 1460 cold-cranking amps	70 Amp-hr Maintenance-free with rundown protection and retained accessory power May require additional optional equipment
11,350 lbs. GVWR	When properly equipped; includes weight of vehicle, passengers, cargo and equipment
220-amp alternator	May require additional optional equipment
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) May require additional optional equipment
Capped fuel fill	Requires diesel engine or pickup bed delete
3.42 rear axle ratio	Requires a diesel engine
Engine block heater	Helps ease cold weather starts Heats the engine and engine block fluids
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

Seats and Trim

Max seating capacity	6

Interior

Carpeted floor covering	Color-keyed to match the interior
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
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
Driver memory	Press memory button 1 or 2 to program and recall preferences 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
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
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)
10-way power driver seat with power lumbar	Includes 8-way power driver seat Includes a 2-way power lumbar control
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
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
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

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
10-way power front passenger seat	Includes 8-way power front passenger seat Includes a 2-way power lumbar control
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
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
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
Wrapped steering wheel
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
Outside temperature display	Located in infotainment display
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
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
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
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

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
Trailering Information Label	Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
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
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 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
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
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.
Rear Seat Belt Indicator
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

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
ProGrade Trailering System	Hitch Guidance with Hitch View In-vehicle Trailering App

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
Chrome front bumper	May require additional optional equipment
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
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
Spare tire carrier lock	Helps keep spare tire secure
Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass	Chrome mirror caps AT4 and AT4X 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
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
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
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps	LED taillamps with LED stop lights and animation

Chrome mirror caps
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
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
Chrome door handles
18" machined aluminum wheels with Dark Grey metallic accents
18" LT275/70R18 all-terrain, blackwall spare tire	May require additional optional equipment
Standard tailgate
18" LT275/70R18E all-terrain, blackwall tires
Cargo bed LED lighting	Provides light to find cargo in the bed May require additional optional equipment
Winter Grille Cover	May require additional optional equipment
Front license plate bracket	Front bracket is included if displaying a front license plate is required in your state

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-42774e8cac1850321a65dea22b9aed69.htm

12 Sudbury rd
Directions Acton, MA 01720

Contact: (978) 938-0610

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

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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

2026 GMC Sierra 2500 HD SLT