2026 GMC Sierra 2500HD SLT
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- Criswell Chevrolet GMC of Gaithersburg
-
503 QUINCE ORCHARD RD
GAITHERSBURG, MD 20878
- Sales: 301-637-8663
- Service: 301-968-6812
- Parts: 877-553-9975
Vehicle Information
VIN:
1GT4UNE78TF140808
Stock #:
B260074
Model Code:
TK20743
-
Condition New
-
Body Style 4D Crew Cab -
Exterior Color Onyx Black
-
Interior Color Black
-
Engine 8 Cyl - 6.6 L -
Transmission 10-Speed Automatic / 4WD -
Fuel Type Gasoline
Highlighted Features
Feature availability subject to final vehicle configuration. Please reference window sticker for more info.
- Adaptive Cruise Control
- Bluetooth®
- Heated Steering Wheel
- Remote Start
- 4WD/AWD
- Android Auto
- Apple CarPlay
- Heated Seats
- Keyless Entry
- Keyless Ignition System
- Leather Seats
- Wi-Fi Hotspot
- Automatic High Beams
- Emergency Brake Assist
- Lane Departure Warning
- Wireless Phone Charging
- Blind Spot Monitor
- Forward Collision Warning
- Navigation System
- Parking Assistance
- Rear View Camera
- Rain Sensing Wipers
- Automatic Climate Control
- Alloy Wheels
Dealer Comments
Price includes: $500 - Buick & GMC Consumer Cash Program. Exp. 02/02/2026
All Features
- Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
- Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
- ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
- Pickup bed includes bed assist step
- Push Button Start
- Transfer case, two-speed active, electronic Autotrac with push button control (Requires 4WD models.)
- Auto-locking rear differential
- Four wheel drive
- Air filter, heavy-duty
- Air filtration monitoring
- Trailer brake controller, integrated
- In-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)
- Recovery hooks, front, frame-mounted, Black
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- Suspension Package (Not available with (X31) Off-Road Package.)
- Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Brake lining wear indicator
- Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents
- Tires, LT275/70R18E all-terrain, blackwall
- Tire, spare LT275/70R18 all-terrain, blackwall
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Bumper, front chrome lower
- Bumper, rear chrome with bumper CornerSteps
- Bed Step, Black integrated on forward portion of bed on driver and passenger side
- CornerStep, rear bumper
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Wheelhouse liners, rear
- Moldings, beltline, chrome
- Grille (Chrome surround with Chrome insert bars.)
- Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
- IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
- Fog lamps, LED
- Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
- Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
- Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lighting
- Mirror caps, chrome
- Glass, deep-tinted
- Wipers, front rain-sensing
- Door handles, chrome
- Tailgate, standard
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
- Tailgate and bed rail protection caps, top
- Audio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance includes color touch-screen, multi-touch display, AM/FM stereo, Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones
- SiriusXM Trial Subscription
- SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
- Audio system feature, 6-speaker system
- Bluetooth® for phone connectivity to vehicle infotainment system
- Wireless phone projection for Apple CarPlay and Android Auto
- Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (Not available with (PCY) SLT Convenience Package, (PDB) SLT Premium Package or (PDC) Texas Edition SLT Premium Package.)
- Seat trim, Perforated Leather-appointed front outboard seating positions
- Seat, Up-level Rear with Storage Package 60/40 folding bench, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
- Seat adjuster, driver 10-way power including lumbar
- Seat adjuster, passenger 10-way power including lumbar
- Seating, heated driver and front outboard passenger
- Driver memory recalls driver "presets" for power driver seat and outside mirrors
- Floor covering, color-keyed carpeting
- Floor mats, carpeted front (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
- Floor mats, carpeted rear (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
- Steering wheel, wrapped
- Steering wheel, heated
- Steering wheel audio controls
- Steering column, manual Tilt-Wheel and telescoping
- Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
- Rear Seat Reminder
- GMC Premium information Display- 13.4" diagonal Multicolor touch screen
- Exterior Temperature Display, located in radio display
- Compass, located in instrument cluster
- Windows, power front, drivers express up/down
- Window, power front, passenger express up/down
- Windows, power rear, express down
- Door locks, power
- Keyless Open and Start includes remote keyless entry
- Remote vehicle starter system
- Cruise control, steering wheel-mounted
- Theft-deterrent system, unauthorized entry
- Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- USB Ports, 2, Charge/Data ports located on instrument panel
- USB ports, (2) charge-only, rear
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Air vents, rear
- Air conditioning, dual-zone automatic climate control
- Defogger, rear-window electric
- Mirror, inside rearview auto-dimming
- Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
- Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
- Daytime Running Lamps, LED signature lighting
- LED Signature DRL's
- Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
- OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
- HD Rear Vision Camera (Removed with (UV2) HD Surround Vision.)
- Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
- Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
- Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
- Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- Rear Seat Belt Indicator
- Seat Belt Adjustable Guide Loops, front row only
- Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)
- Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
- Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
- Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
- OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes select remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
ENGINE, 6.6L V8
- with Direct Injection and Variable Valve Timing
- gasoline
- (401 hp [299 kW] @ 5200 rpm
- 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
- SiriusXM with 360L Trial Subscription
- Preferred Equipment Group 4SA
- 10-Way Power Driver Seat Adjuster with Lumbar
- Driver Memory
- Power Sliding Rear Window with Defogger
- Front Bucket Seats
- 10-Way Power Passenger Seat Adjuster with Lumbar
- Power Front Passenger Windows with Express Up/Down
- Deep-Tinted Glass
- Keyless Open and Start
- Front 40/20/40 Split-Bench Seats
- Rear Wheelhouse Liners
- Push Button Start
- Remote Vehicle Starter System
- Electric Rear-Window Defogger
- Front Rain-Sensing Wipers
- Spray-on Pickup Bedliner with GMC Logo
- Floor-Mounted Center Console
- Pickup Box
- Chrome Surround Grille with Chrome Insert Bars
- 3.73 Rear Axle Ratio
- Safety Alert Seat
- Radio: AM/FM Stereo with Premium GMC Infotainment System
- Hill Descent Control
- Wireless Charging
- Heated Driver and Front Outboard Passenger Seats
- Heated 2nd Row Outboard Seats
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Ventilated Driver and Front Passenger Seats
- Adaptive Cruise Control
- 220-Amp Alternator
- Heavy-Duty 80 Amp Battery
- Manual Tilt-Wheel/Telescoping Steering Column
- 2-Speed Active Transfer Case
- Skid Plates
- SLT Convenience Package
- Sierra HD Pro Safety
- SLT Preferred Package
- Sierra HD Pro Safety Plus Package
- Wireless Phone Projection
- ProGrade Trailering System
- 18" Machined Aluminum Wheels
- Hitch Guidance with Hitch View
- Wheels: 20" Bright Face with Dark Painted Pockets
- GMC MultiPro Tailgate
- All-Weather Floor Liners
- Perforated Leather-Appointed Front Outboard Seat Trim
- Buckle to Drive
- IntelliBeam Automatic High Beam on/Off
- Trailer Cam Provisions and Trailer Viewing Software
- LED Smoked Amber Roof Marker Lamps
- 2 Charge/Data USB Ports Inside Center Console
- 2 Charge-Only Rear USB Ports
- 2 Charge/Data USB Ports
- Ultrasonic Front and Rear Park Assist
- OnStar Services Capable
- Following Distance Indicator
- in-Vehicle Trailering System App
- Forward Collision Alert
- LED Cargo Area Lighting
- Rear Cross Traffic Alert
- Lane Departure Warning System
- Universal Home Remote
- Automatic Emergency Braking
- Steering Wheel Audio Controls
- Front Pedestrian Braking
- Trailer Side Blind Zone Alert
- Bose Premium 7-Speaker Sound System
- 6-Speaker Audio System Feature
- Unauthorized Entry Theft-Deterrent System
- HD Surround Vision
- Bed View Camera with Two Trailer Camera Provisions
- Front License Plate Kit
- Snow Plow Prep/Camper Package
- X31 Off-Road Package
- Off-Road Suspension
- Suspension Package
- 4-Wheel Disc Brakes
- Apple CarPlay/Android Auto
- Premium audio system: Premium GMC Infotainment System
- Emergency communication system: OnStar
- AM/FM radio: SiriusXM with 360L
- Auto High-beam Headlights
- Front Center Armrest w/Storage
- Compass
- Auto-dimming Rear-View mirror
- Variably intermittent wipers
- Turn signal indicator mirrors
- Trip computer
- Traction control
- Tilt steering wheel
- Telescoping steering wheel
- Steering wheel mounted audio controls
- Split folding rear seat
- Speed-sensing steering
- Speed control
- Security system
- Remote keyless entry
- Rear window defroster
- Rear step bumper
- Rear seat center armrest
- Rear reading lights
- Rain sensing wipers
- Power windows
- Power steering
- Power passenger seat
- Power driver seat
- Power door mirrors
- Passenger vanity mirror
- Passenger door bin
- Panic alarm
- Overhead console
- Overhead airbag
- Outside temperature display
- Occupant sensing airbag
- Memory seat
- Low tire pressure warning
- Illuminated entry
- Heated steering wheel
- Heated front seats
- Heated door mirrors
- Fully automatic headlights
- Front wheel independent suspension
- Front reading lights
- Front fog lights
- Front dual zone A/C
- Front anti-roll bar
- Dual front side impact airbags
- Dual front impact airbags
- Driver vanity mirror
- Driver door bin
- Delay-off headlights
- Bumpers: chrome
- Brake assist
- Automatic temperature control
- Auto-dimming door mirrors
- Alloy wheels
- ABS brakes
- Voltmeter
- Tachometer
- Electronic Stability Control
- Air Conditioning
- 6 Speakers
- Cold Cranking Amps @ 0° F (Primary): 720
- Maximum Alternator Capacity (amps): 170
- Maximum Alternator Watts: N/A
- Total Cooling System Capacity (qts): - TBD -
- Gross Axle Wt Rating - Front (lbs): - TBD -
- Gross Axle Wt Rating - Rear (lbs): - TBD -
- Curb Weight - Front (lbs): 4023
- Curb Weight - Rear (lbs): 2822
- Gross Vehicle Weight Rating Cap (lbs): 10850
- Gross Combined Wt Rating (lbs): 26000
- Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
- Dead Weight Hitch - Max Tongue Wt. (lbs): 500
- Wt Distributing Hitch - Max Trailer Wt. (lbs): 16000
- Wt Distributing Hitch - Max Tongue Wt. (lbs): 1600
- Fifth Wheel Hitch - Max Trailer Wt. (lbs): 18380
- Fifth Wheel Hitch - Max Tongue Wt. (lbs): 4600
- Maximum Trailering Capacity (lbs): 20000
- Suspension Type - Front: Short/Long Arm
- Suspension Type - Rear: Multi-Leaf Springs
- Spring Capacity - Front (lbs): - TBD -
- Spring Capacity - Rear (lbs): - TBD -
- Axle Type - Front: - TBD -
- Axle Type - Rear: - TBD -
- Axle Capacity - Front (lbs): - TBD -
- Axle Capacity - Rear (lbs): - TBD -
- Axle Ratio (:1) - Front: 3.73
- Axle Ratio (:1) - Rear: 3.73
- Shock Absorber Diameter - Front (mm): 2.01
- Shock Absorber Diameter - Rear (mm): 2.01
- Stabilizer Bar Diameter - Front (in): 1.38
- Brake Type: Pwr
- Brake ABS System: 4-Wheel
- Disc - Front (Yes or ): Yes
- Disc - Rear (Yes or ): Yes
- Front Brake Rotor Diam x Thickness (in): 14 x 1.6
- Rear Brake Rotor Diam x Thickness (in): 14.1 x 1.3
- Front Tire Order Code: QF6
- Rear Tire Order Code: QF6
- Spare Tire Order Code: ZYG
- Front Tire Size: LT275/70R18E
- Rear Tire Size: LT275/70R18E
- Spare Tire Size: LT275/70R18
- Front Tire Capacity (lbs): - TBD -
- Rear Tire Capacity (lbs): - TBD -
- Spare Tire Capacity (lbs): - TBD -
- Revolutions/Mile @ 45 mph - Front: N/A
- Revolutions/Mile @ 45 mph - Rear: N/A
- Revolutions/Mile @ 45 mph - Spare: N/A
- Front Wheel Size (in): 18 x - TBD -
- Rear Wheel Size (in): 18 x - TBD -
- Front Wheel Material: Aluminum
- Rear Wheel Material: Aluminum
- Spare Wheel Material: Steel
- Steering Type: Pwr Recirculating Ball
- Steering Ratio (:1), On Center: - TBD -
- Steering Ratio (:1), At Lock: - TBD -
- Turning Diameter - Curb to Curb (ft): 52.7
- Turning Diameter - Wall to Wall (ft): N/A
- Frame Type: - TBD -
- Fuel Tank Capacity, Approx (gal): 36
- Fuel Tank Location: - TBD -
- Wheelbase (in): 159
- Length, Overall (in): 250.75
- Width, Max w/o mirrors (in): 81.85
- Height, Overall (in): 79.82
- Overhang, Front (in): - TBD -
- Overhang, Rear w/o bumper (in): - TBD -
- Front Bumper to Back of Cab (in): - TBD -
- Cab to Axle (in): 42.17
- Cab to End of Frame (in): - TBD -
- Ground to Top of Load Floor (in): - TBD -
- Ground to Top of Frame (in): - TBD -
- Frame Width, Rear (in): - TBD -
- Ground Clearance, Front (in): 10.12
- Ground Clearance, Rear (in): 10.12
- Cargo Box Length @ Floor (in): 82.2
- Cargo Box Width @ Top, Rear (in): - TBD -
- Cargo Box Width @ Floor (in): 71.4
- Cargo Box Width @ Wheelhousings (in): 51.85
- Cargo Box (Area) Height (in): 21
- Tailgate Width (in): - TBD -
- Cargo Volume (ft³): 69.5
- Ext'd Cab Cargo Volume (ft³): - TBD -
- Passenger Capacity: 6
- Front Head Room (in): 43.03
- Front Leg Room (in): 44.53
- Front Shoulder Room (in): 66.02
- Front Hip Room (in): 61.18
- Second Head Room (in): 40.12
- Second Leg Room (in): 43.4
- Second Shoulder Room (in): 65.3
- Second Hip Room (in): 60.24
- Vehicle Name: GMC Sierra 2500HD
- Body Style: Crew Cab Pickup
- Body Code: E63
Warranty
- Basic Warranty: 36 months / 36,000 miles
- Drivetrain Warranty: 60 months / 60,000 miles - 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
- Rust-Through Corrosion Warranty: 72 months / 100,000 miles
- Corrosion Warranty: 36 months / 36,000 miles
- Roadside Assistance Warranty: 60 months / 60,000 miles - 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
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Learn About This 2026 Onyx Black GMC SLT Sierra 2500HD for Sale in Maryland and North Virginia, VIN = 1GT4UNE78TF140808
If you're looking for a GMC Sierra 2500HD for sale near you, come to Criswell Auto to buy or lease this Sierra 2500HD.
May not represent actual vehicle. (Options, colors, trim and body style may vary)
May not represent actual vehicle. (Options, colors, trim and body style may vary)