2024 GMC Sierra 2500HD AT4X Duramax Allison 5th Wheel Prep 35s Sunroof

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Reduced by $1,005 since Mar 12, 2026

2024 GMC Sierra 2500HD AT4X Duramax Allison 5th Wheel Prep 35s Sunroof

$4,985 SAVINGS

$75,995 INTERNET PRICE

Retail Price: $80,980
Internet Price: $75,995
YOU SAVE: $4,985

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$4,985 SAVINGS

$75,995 INTERNET PRICE

Retail Price: $80,980
Internet Price: $75,995
YOU SAVE: $4,985

*Please Note: We turn our inventory daily, please check with the dealer to confirm vehicle availability.
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Baglier
248 Pittsburgh Rd
Butler, PA 16001

Buick GMC: 724-283-7400
Baglier Mazda: 724-482-1100

Vehicle Information

VIN: 1GT49ZEY6RF396424

Stock #: G0759

Model Code: TK20743

Condition Used
Body Style Crew Cab Pickup
Exterior Color Onyx Black
Interior Color Obsidian Rush
Mileage 42,917
Engine 8 Cyl - 6.6 L
Transmission Automatic
Bed length Sierra 2500 6.9" Bed
Fuel Type Diesel Fuel

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
Lane Departure Warning
Sunroof/Moonroof
Wireless Phone Charging
Blind Spot Monitor
Forward Collision Warning
Navigation System
Parking Assistance
Rear View Camera
Satellite Radio
Rain Sensing Wipers
Tow Hitch/Tow Package
Automatic Climate Control
Turbo Charged Engine
Premium Sound System

Dealer Comments

Located at Baglier Buick GMC! Balance of the Factory Warranty included! This 2024 Sierra 2500 AT4X in Onyx Black with Obsidian Rush interior is built different. 6.6L Duramax. Allison 10-speed. Factory 5th wheel prep. 35" mud terrains from the factory. This is off-road hardware with heavy-duty muscle.

What makes this one serious:

* 6.6L Duramax Turbo-Diesel V8: massive torque built for real towing.
* Allison 10-Speed Automatic: proven heavy-duty transmission.
* Factory 5th Wheel / Gooseneck Prep: ready for serious trailer duty.
* AT4X Off-Road Suspension w/ Multimatic DSSV Dampers: next-level ride control on and off pavement.
* Rear Electronic Locking Differential + 2-Speed Autotrac Transfer Case: real 4WD capability.
* 35" Goodyear Territory MT Tires: factory stance that looks the part.
* Power Sunroof: open it up when the trail clears.
* 15" Head-Up Display + 12.3" Digital Cluster: fully modern command center.
* 13.4" GMC Infotainment w/ Google Built-In: wireless Apple CarPlay & Android Auto.
* Heated/Ventilated Front Seats + Heated Rear Seats: comfort without compromise.
* Power Retractable Assist Steps: LED perimeter lighting included.
* Spray-On Bedliner + MultiPro Tailgate: built to work, built to last.

This isn't just a 2500 with a lift. It's an AT4X HD---factory 35s, Multimatic suspension, Duramax torque, and 5th wheel prep all in one package. Built to tow. Built to crawl. Built to stand out.

Located at Baglier Buick GMC! Need more photos or an HD video walkaround? Just ask---we're happy to help.

We're dealing and we love trades. Financing available.

Every vehicle includes the Baglier Buyers Program:

FREE Lifetime State Inspections with any new or pre-owned purchase
FREE Multi-Point Vehicle Inspection with every service visit
FREE Oil Change with any new vehicle purchase
FREE Loaner Car Program for service needs
FREE Car Wash with any service or body shop visit

Call or email us today!

Eligible Benefits

All Features

Exterior Interior Mechanical Safety Options Specs

Assist steps, power retractable, Black includes LED lighting (Not available with any other assist steps.)
Bed Step, Black integrated on forward portion of bed on driver and passenger side
Bedliner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo. Available with Ship Thru code (SQE), not available with any other Ship Thru code.)
Bumper, front, body-color lower (Bumper color will be High Gloss Black.)
Bumper, rear body-color with bumper CornerSteps (Bumper color will be High Gloss Black.)
Cargo tie downs (12), fixed, rated at 500 lbs per corner
CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
Door handles, body-color (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
Fog lamps, LED
Glass, deep-tinted
Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
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.)
Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Mirror caps, high gloss Black
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
Moldings, beltline, Black
Sunroof, power
Tailgate and bed rail protection caps, top
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Tailgate, GMC MultiPro Tailgate with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Tire, spare, LT305/70R18-126/123R, 35" M/T
Tires, LT305/70R18-126/123R, 35" M/T
Wheel, Spare 18" (50.8 cm)
Wheelhouse liners, rear
Wheels, 18" (45.7 cm) machined aluminum wheel with High Gloss black accents
Wipers, front rain-sensing

Adaptive Cruise Control
Air conditioning, dual-zone automatic climate control
Air vents, rear
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
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
Bluetooth® for phone connectivity to vehicle infotainment system
Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
Compass, located in instrument cluster
Defogger, rear-window electric
Door locks, power
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Driver memory recalls driver "presets" for power driver seat and outside mirrors
Exterior Temperature Display, located in radio display
Floor covering, color-keyed carpeting
GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
Keyless Open and Start includes remote keyless entry
LPO, MultiPro Tailgate Audio System by Kicker
Multicolor 15" Diagonal Head-Up Display
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Premium Floor Liners with removable carpet insert, front
Premium Floor Liners with removable carpet insert, rear
Rear Camera Mirror inside rearview auto-dimming with full camera display
Rear Seat Reminder
Remote vehicle starter system
Seat adjuster, driver 16-way power including lumbar and massage
Seat adjuster, passenger 16-way power including lumbar and massage
Seat trim, Full Grain Leather
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)
Seating, heated driver and front outboard passenger
Seats, front bucket with center console
Seats, heated second row outboard seats
Seats, ventilated driver and front passenger
SiriusXM enjoy a Platinum Plan trial subscription
SiriusXM with 360L includes a trial subscription to the Platinum Plan. Experience more channels in the vehicle, a more personalized experience and easier navigation. (IMPORTANT: The SiriusXM trial package is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription subject to the SiriusXM Customer Agreement and privacy policy, visit www.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.)
Steering column, manual Tilt-Wheel and telescoping (Included and only available with (PCQ) SLE Convenience Package.
Steering wheel audio controls
Steering wheel, heated
Steering wheel, leather-wrapped
Theft-deterrent system, unauthorized entry
Universal Home Remote
USB ports, (2) charge-only, rear
USB Ports, 2 (first row) located on console
USB Ports, 2, Charge/Data ports located inside center console
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Window, power front, passenger express up/down
Window, power, rear sliding with rear defogger
Windows, power front, drivers express up/down
Windows, power rear, express down
Wireless Charging
Wireless Phone Projection for Apple CarPlay and Android Auto

Air filter, heavy-duty
Air filtration monitoring
Brake lining wear indicator
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Differential, driver-selectable full-locking rear, e-locking
Four wheel drive
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Hill Descent Control
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.)
Pickup bed includes bed assist step
Push Button Start
Recovery hooks, Red (Deleted with (ULV) AT4X AEV Edition.)
Skid Plates, front aluminum
Skid Plates, Transfer case, steel
Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
Suspension, Off-Road Includes, 40 mm front suspension kit composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, 15 mm Rear Suspension Lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500
Trailer brake controller, integrated
Transfer case, two-speed active, electronic Autotrac with push button control

3 Years of OnStar Remote Access. The OnStar Remote Access Plan gives you simplified remote control of your properly equipped vehicle and unlocks a variety of great features in your myGMC mobile app. See dealer for details. (OnStar Remote Access Plan does not include emergency or security services. Fleet customers will get Fleet Remote Access through OnStar Vehicle Insights. See onstar.com for details and limitations. Available on select Apple and Android devices. Service availability, features and functionality vary by vehicle, device, and the plan you are enrolled in. Terms apply. Device data connection required.)
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.)
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Bed View Camera, camera in the CHMSL to show a view of the cargo bed display located in infotainment screen, includes Two Trailer Camera Provisions
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.)
Daytime Running Lamps, LED signature lighting
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Front and Rear Park Assist, ultrasonic
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
LED Signature DRL's
OnStar and GMC Connected Services capable (Terms and limitations apply. See onstar.com or dealer for details.)
Rear Cross Traffic Alert
Rear Seat Belt Indicator
Safety Alert Seat
Seat Belt Adjustable Guide Loops, front row only
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
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)
Trailer Camera Provisions and trailer viewing software
Trailer Side Blind Zone Alert
Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering

18" machined aluminum wheel with High Gloss Black accents
ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
Lane Departure Warning
Front Collision Mitigation
Front Collision Warning
Automatic Highbeams
Tow Hitch
Running Boards/Side Steps
Keyless Start
Locking/Limited Slip Differential
Four Wheel Drive
Tow Hooks
Power Steering
ABS
4-Wheel Disc Brakes
Aluminum Wheels
Tires - Front All-Season
Tires - Rear All-Season
Conventional Spare Tire
Sun/Moonroof
Generic Sun/Moonroof
Running Boards/Side Steps
Power Retractable Running Boards
Bed Liner
Daytime Running Lights
Automatic Highbeams
Fog Lamps
Heated Mirrors
Power Mirror(s)
Integrated Turn Signal Mirrors
Power Folding Mirrors
Privacy Glass
Intermittent Wipers
Variable Speed Intermittent Wipers
Rain Sensing Wipers
Integrated Tailgate Step
AM/FM Stereo
Navigation System
MP3 Capability
Bluetooth® Connection
Auxiliary Audio Input
Smart Device Integration
Satellite Radio
Requires Subscription
Satellite Radio
Requires Subscription
Premium Sound System
Premium Sound System
Bluetooth® Connection
Bluetooth® Connection
Smart Device Integration
WiFi Hotspot
Bucket Seats
Leather Seats
Rear Bench Seat
Power Driver Seat
Driver Adjustable Lumbar
Seat-Massage
Power Passenger Seat
Passenger Adjustable Lumbar
Seat-Massage
Heated Front Seat(s)
Heated Front Seat(s)
Cooled Front Seat(s)
Heated Rear Seat(s)
Mirror Memory
Seat Memory
Floor Mats
Floor Mats
Leather Steering Wheel
Heated Steering Wheel
Steering Wheel Audio Controls
Adjustable Steering Wheel
Heads-Up Display
Power Windows
Power Windows
Power Windows
Rear Defrost
Sliding Rear Window
Power Door Locks
Keyless Entry
Power Door Locks
Keyless Start
Remote Engine Start
Cruise Control
Adaptive Cruise Control
Universal Garage Door Opener
Security System
MP3 Capability
Auxiliary Audio Input
MP3 Capability
Auxiliary Audio Input
Climate Control
Multi-Zone A/C
A/C
Rear Defrost
Auto-Dimming Rearview Mirror
Back-Up Camera
Front Collision Mitigation
Front Collision Mitigation
Front Collision Warning
Traction Control
Stability Control
Daytime Running Lights
Daytime Running Lights
Driver Air Bag
Passenger Air Bag
Front Side Air Bag
Front Head Air Bag
Rear Head Air Bag
Passenger Air Bag Sensor
Telematics
Requires Subscription
Rear Parking Aid
Back-Up Camera
Aerial View Display System
Back-Up Camera
Front Collision Warning
Lane Departure Warning
Cross-Traffic Alert
Blind Spot Monitor
Driver Restriction Features
Tire Pressure Monitor
Tire Pressure Monitor
Telematics
Requires Subscription

Brakes

Brake ABS System: 4-Wheel
Brake Type: Pwr
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

Cargo Area Dimensions

Cargo Box (Area) Height (in): 21
Cargo Box Length : Floor (in)
Cargo Box Width : Floor (in)
Cargo Box Width : Top, Rear (in)
Cargo Box Width : Wheelhousings (in)
Cargo Volume (ft³): 69.5

Electrical

Cold Cranking Amps : 0° F (2nd)
Cold Cranking Amps : 0° F (Primary)
Maximum Alternator Capacity (amps): 170
Maximum Alternator Watts: N/A

Emissions

Tons/yr of CO2 Emissions : 15K mi/year

Exterior Dimensions

Cab to Axle (in): 42.36
Ground Clearance, Front (in): 11.61
Ground Clearance, Rear (in): 11.61
Height, Overall (in): 82.68
Length, Overall (in): 250.75
Wheelbase (in): 159
Width, Max w/o mirrors (in): 81.85

Fuel Tank

Fuel Tank Capacity, Approx (gal): 36

Interior Dimensions

Front Head Room (in): 43.03
Front Hip Room (in): 61.18
Front Leg Room (in): 44.53
Front Shoulder Room (in): 66.02
Passenger Capacity: 5
Second Head Room (in): 40.12
Second Hip Room (in): 60.24
Second Leg Room (in): 43.4
Second Shoulder Room (in): 65.3

Steering

Steering Type: Pwr Recirculating Ball
Turning Diameter - Curb to Curb (ft): 51.8
Turning Diameter - Wall to Wall (ft): N/A

Summary

Body Code: E63
Body Style: Crew Cab Pickup
Vehicle Name: GMC Sierra 2500HD

Suspension

Axle Ratio (:1) - Front: 3.73
Axle Ratio (:1) - Rear: 3.73
Shock Absorber Diameter - Front (mm): 2.17
Shock Absorber Diameter - Rear (mm): 2.17
Stabilizer Bar Diameter - Front (in): 1.38
Suspension Type - Front: Short/Long Arm
Suspension Type - Rear: Multi-Leaf Springs

Tires

Front Tire Order Code: QMG
Front Tire Size: LT305/70R18-126/123R
Rear Tire Order Code: QMG
Rear Tire Size: LT305/70R18-126/123R
Revolutions/Mile : 45 mph - Front
Revolutions/Mile : 45 mph - Rear
Revolutions/Mile : 45 mph - Spare
Spare Tire Order Code: QNZ
Spare Tire Size: LT305/70R18-126/123R

Trailering

Dead Weight Hitch - Max Tongue Wt. (lbs): 500
Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
Fifth Wheel Hitch - Max Tongue Wt. (lbs): 4325
Fifth Wheel Hitch - Max Trailer Wt. (lbs): 17300
Maximum Trailering Capacity (lbs): 20000
Wt Distributing Hitch - Max Tongue Wt. (lbs): 1850
Wt Distributing Hitch - Max Trailer Wt. (lbs): 18500

Weight Information

Curb Weight - Front (lbs): 4023
Curb Weight - Rear (lbs): 2822
Gross Combined Wt Rating (lbs): 26000
Gross Vehicle Weight Rating Cap (lbs): 10850

Wheels

Front Wheel Material: Aluminum
Front Wheel Size (in): 18 x 9
Rear Wheel Material: Aluminum
Rear Wheel Size (in): 18 x 9
Spare Wheel Material: Steel
Spare Wheel Size (in): 18 x

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