Dave Sinclair Lincoln St. Peters

Vehicle Information

VIN: 1GT4UZE7XSF122381
Stock #: 6019901
Model Code: TK20743
  • Body Style Truck
  • Exterior Color Volcanic Red Tintcoat
  • Interior Color Obsidian Rush Leather
  • Mileage 5,628
  • Engine 6.6L V8
  • Transmission Automatic / Four Wheel Drive
  • Fuel Type Gasoline

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

Our diesel-powered 2025 GMC Sierra 2500HD AT4X Crew Cab 4X4 with the Gooseneck/5th Wheel Package is a terrific trail machine made for hard work in Volcanic Red Tintcoat! Motivated by a TurboCharged 6.6 Liter DuraMax Diesel V8 offering 470hp and 975lb-ft of torque to a 10 Speed Allison Automatic transmission. This Four Wheel Drive truck can also bring its bold capability off the beaten path, equipped with an off-road suspension, a 2-inch lift kit, a full-locking rear differential, and Multimatic DSSV dampers. Our Sierra turns heads with its Goosneck/5th Wheel Package, featuring a stamped bed hole with caps, a 7-pin trailer harness, animated LED headlamps, power-assist steps, a power sunroof, a spray-on bedliner, alloy wheels, and a MultiPro tailgate with a built-in sound system.

Confident comfort enhances our AT4X cabin with heated/ventilated full-grain leather power front seats and heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, keyless access/ignition, remote start, and a power rear window. Enjoy high-tech infotainment with a 12.3-inch driver display, a 13.4-inch touchscreen, 12-speaker Bose audio, Google Built-in, WiFi compatibility, Apple CarPlay/Android Auto, Bluetooth®, and wireless charging.

GMC helps you stay safe with a surround-view system, a bed-view camera, trailer blind-spot monitoring, automatic braking, parking sensors, lane-departure warning, trailer-sway control, hill-start assistance, and more. When tough jobs call, our Sierra 2500 AT4X is the answer! Save this Page and Call for Availability. We Know You Will Enjoy Your Test Drive Towards Ownership!

Eligible Benefits

View AutoCheck report.

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
  • Hill Descent Control
  • Transfer case, two-speed active, electronic Autotrac with push button control
  • Differential, driver-selectable full-locking rear, e-locking
  • 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, Red (Deleted with (ULV) AT4X AEV Edition.)
  • Skid Plates, front aluminum
  • Skid Plates, Transfer case, steel
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Suspension, Off-Road Includes, 1.5" suspension lift: front suspension lift composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, rear suspension lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500
  • 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 High Gloss black accents
  • Tires, LT305/70R18-126/123R, 35" M/T
  • Tire, spare, LT305/70R18-126/123R, 35" M/T
  • Wheel, Spare 18" (50.8 cm)
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Sunroof, power
  • 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.)
  • Assist steps, power retractable, Black includes LED lighting (Not available with any other assist steps.)
  • Bedliner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Available with Ship Thru code (TCH), not available with any other Ship Thru code.)
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Wheelhouse liners, rear
  • Moldings, beltline, Black
  • 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.)
  • 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
  • Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)
  • 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, high gloss Black
  • Glass, deep-tinted
  • Wipers, front rain-sensing
  • Door handles, body-color (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
  • 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
  • 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 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.)
  • Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
  • LPO, MultiPro Tailgate Audio System by Kicker
  • 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 bucket with center console
  • 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)
  • Seat adjuster, driver 16-way power including lumbar and massage
  • Seat adjuster, passenger 16-way power including lumbar and massage
  • Seating, heated driver and front outboard passenger
  • Seats, ventilated driver and front passenger
  • Seats, heated second row outboard seats
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Floor covering, color-keyed carpeting
  • Premium Floor Liners with removable carpet insert, front
  • Premium Floor Liners with removable carpet insert, rear
  • Steering wheel, leather-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
  • Multicolor 15" Diagonal Head-Up 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
  • Window, power, rear sliding with rear defogger
  • Door locks, power
  • Keyless Open and Start includes remote keyless entry
  • Remote vehicle starter system
  • Adaptive Cruise Control
  • Universal Home Remote
  • Wireless Charging
  • Theft-deterrent system, unauthorized entry
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • USB Ports, 2 (first row) located on console
  • USB Ports, 2, Charge/Data ports located inside center console
  • 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
  • Rear Camera Mirror inside rearview auto-dimming with full camera display
  • 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.)
  • Front and Rear Park Assist, ultrasonic
  • 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.
  • 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
  • Trailer Camera Provisions and trailer viewing software
  • 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
  • Rear Cross Traffic Alert
  • Trailer Side Blind Zone Alert
  • 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.)
  • Safety Alert Seat
  • 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 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
  • 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. (OnStar Basics includes select remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. For MY25 vehicles, 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)

  • 4-Wheel Disc Brakes
  • 8 Cylinder Engine
  • A/C
  • ABS
  • Adaptive Cruise Control
  • Adjustable Steering Wheel
  • Aerial View Display System
  • Aluminum Wheels
  • AM/FM Stereo
  • Auto-Dimming Rearview Mirror
  • Automatic Highbeams
  • Auxiliary Audio Input
  • Back-Up Camera
  • Bed Liner
  • Blind Spot Monitor
  • Bluetooth® Connection
  • Bucket Seats
  • Climate Control
  • Conventional Spare Tire
  • Cooled Front Seat
  • Cross-Traffic Alert
  • Cruise Control
  • Daytime Running Lights
  • Driver Adjustable Lumbar
  • Driver Air Bag
  • Driver Restriction Features
  • Floor Mats
  • Fog Lamps
  • Four Wheel Drive
  • Front Collision Mitigation
  • Front Collision Warning
  • Front Head Air Bag
  • Front Side Air Bag
  • Gasoline Fuel
  • Generic Sun/Moonroof
  • Heads-Up Display
  • Heated Front Seat
  • Heated Mirrors
  • Heated Rear Seat
  • Heated Steering Wheel
  • Integrated Tailgate Step
  • Integrated Turn Signal Mirrors
  • Intermittent Wipers
  • Keyless Entry
  • Keyless Start
  • Lane Departure Warning
  • Leather Seats
  • Leather Steering Wheel
  • Locking/Limited Slip Differential
  • Mirror Memory
  • MP3 Capability
  • Multi-Zone A/C
  • Navigation System
  • Passenger Adjustable Lumbar
  • Passenger Air Bag
  • Passenger Air Bag On/Off Switch
  • Passenger Air Bag Sensor
  • Power Door Locks
  • Power Driver Seat
  • Power Folding Mirrors
  • Power Mirror
  • Power Passenger Seat
  • Power Retractable Running Boards
  • Power Steering
  • Power Windows
  • Premium Sound System
  • Privacy Glass
  • Rain Sensing Wipers
  • Rear Bench Seat
  • Rear Defrost
  • Rear Head Air Bag
  • Rear Parking Aid
  • Remote Engine Start
  • Requires Subscription
  • Running Boards/Side Steps
  • Satellite Radio
  • Seat Memory
  • Seat-Massage
  • Security System
  • Sliding Rear Window
  • Smart Device Integration
  • Stability Control
  • Steering Wheel Audio Controls
  • Sun/Moonroof
  • Telematics
  • Tire Pressure Monitor
  • Tires - Front All-Season
  • Tires - Rear All-Season
  • Tow Hitch
  • Tow Hooks
  • Traction Control
  • Universal Garage Door Opener
  • Variable Speed Intermittent Wipers
  • WiFi Hotspot
  • Electrical
    • Cold Cranking Amps @ 0° F (Primary): 720
    • Maximum Alternator Capacity (amps): 170
    • Maximum Alternator Watts: N/A
  • Cooling System
    • Total Cooling System Capacity (qts): - TBD -
  • Weight Information
    • 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
  • Trailering
    • 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): 18000
    • Fifth Wheel Hitch - Max Tongue Wt. (lbs): 4500
    • Maximum Trailering Capacity (lbs): 20000
  • Suspension
    • 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): 2.17
    • Shock Absorber Diameter - Rear (mm): 2.17
    • Stabilizer Bar Diameter - Front (in): 1.38
  • Brakes
    • 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
  • Tires
    • Front Tire Order Code: QMG
    • Rear Tire Order Code: QMG
    • Spare Tire Order Code: QNZ
    • Front Tire Size: LT305/70R18-126/123R
    • Rear Tire Size: LT305/70R18-126/123R
    • Spare Tire Size: LT305/70R18-126/123R
    • 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
  • Wheels
    • Front Wheel Size (in): 18 x 9
    • Rear Wheel Size (in): 18 x 9
    • Spare Wheel Size (in): 18 x - TBD -
    • Front Wheel Material: Aluminum
    • Rear Wheel Material: Aluminum
    • Spare Wheel Material: Steel
  • Steering
    • Steering Type: Pwr Recirculating Ball
    • Steering Ratio (:1), On Center: - TBD -
    • Steering Ratio (:1), At Lock: - TBD -
    • Turning Diameter - Curb to Curb (ft): 51.8
    • Turning Diameter - Wall to Wall (ft): N/A
  • Frame
    • Frame Type: - TBD -
  • Fuel Tank
    • Fuel Tank Capacity, Approx (gal): 36
    • Fuel Tank Location: - TBD -
  • Exterior Dimensions
    • Wheelbase (in): 159
    • Length, Overall (in): 250.75
    • Width, Max w/o mirrors (in): 81.85
    • Height, Overall (in): 82.68
    • Overhang, Front (in): - TBD -
    • Overhang, Rear w/o bumper (in): - TBD -
    • Front Bumper to Back of Cab (in): - TBD -
    • Cab to Axle (in): 42.36
    • 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): 11.61
    • Ground Clearance, Rear (in): 11.61
  • Cargo Area Dimensions
    • 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 -
  • Interior Dimensions
    • Passenger Capacity: 5
    • 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
  • Summary
    • Vehicle Name: GMC Sierra 2500HD
    • Body Style: Crew Cab Pickup
    • Body Code: E63
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