2025 GMC Sierra 2500HD AT4X



  • $1,177 SAVINGS
    $85,485 INTERNET PRICE

  • Retail Price: $86,172
  • Savings $1,177
  • Doc Fee +$490
  • Internet Price $85,485

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Unequaled Joy. Certified.

Every Mazda is built with passion. It's reflected in our dynamic designs. Visible in our beautifully crafted interiors. You feel it in the heightened handling. That's what every Mazda Certified Pre-Owned Vehicle (CPO) delivers. Each has been scrutinized and meticulously tested in our 160-point inspection. So every time you're behind the wheel, you can focus on the joy of driving.

  • 160-pt Inspection
  • 7 Year 100k limited powertrain warranty
  • 12 month 12,000 mile limited vehicle warranty
  • Zero deductible on covered repairs
  • Owner transfer benefits
  • 24-hour Roadside Assistance
  • Available extended coverage
  • CARFAX® Vehicle History Reportâ„¢ and one-year Buyback Guaranteeâ„¢ from CARFAX®
  • Complimentary 3-months SirusXM Trial on equipped vehicles

Vehicle Information

VIN: 1GT4UZEYXSF308656
Stock #: 42534A
Model Code: TK20743
  • Body Style Crew Cab Pickup
  • Exterior Color Volcanic Red Tintcoat
  • Interior Color Obsidian Rush
  • Mileage 16,278
  • Engine 8 Cyl - 6.6 L
  • Transmission Automatic
  • Fuel Type Diesel Fuel

Highlighted Features

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

Dealer Comments

Meet the 2025 GMC Sierra 2500HD AT4X—a powerful diesel workhorse finished in striking Volcanic Red Tintcoat. This Crew Cab Standard Bed truck combines commanding capability with refined comfort, featuring a 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD for serious towing and off-road performance. With just over 16,000 miles, this is a local trade-in that's been carefully maintained and is ready for its next owner.

Key Features:
– Bose Premium 12-Speaker Audio System with SiriusXM 360L
– Full Grain Leather Interior with Heated and Ventilated Seats
– 15" Multicolor Head-Up Display with Wireless Phone Projection
– Advanced Camera Systems: Bed View, Trailer Cam, HD Surround Vision, and Ultrasonic Park Assist
– Off-Road Suspension with 2-Speed Active Transfer Case and Hill Descent Control
– 18" Machined Aluminum Wheels with High-Gloss Black Accents
– Power Moonroof and Spray-On Bedliner with GMC Logo
– Remote Vehicle Starter and Keyless Open & Start

This truck arrives CarBravo Certified, giving you peace of mind with a comprehensive inspection and warranty coverage. You're investing in a vehicle that has been vetted for quality and reliability.

Stop by to experience the power and luxury of this Sierra 2500HD AT4X firsthand. We're confident you'll find exactly what you're looking for.

Thank you for visiting Scott Cars.

Eligible Benefits

All Features

  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Fog lamps, LED
  • Glass, deep-tinted
  • 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
  • Wheelhouse liners, rear
  • 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
  • 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 Premium information Display- 13.4" diagonal Multicolor touch screen
  • Keyless Open and Start includes remote keyless entry
  • 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 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.)
  • Steering column, manual Tilt-Wheel and telescoping
  • 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
  • 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
  • Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
  • Trailer brake controller, integrated
  • Transfer case, two-speed active, electronic Autotrac with push button control
  • 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 Equipped (subscription required)
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • 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
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering

AT4X PREFERRED EQUIPMENT GROUP

  • includes standard equipment

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.)

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 (STD)

SEATS, FRONT BUCKET

  • with center console (STD)

WHEELS, 18" (45.7 CM) MACHINED ALUMINUM WHEEL

  • with High Gloss black accents (STD)

  • ALTERNATOR 220 AMP
  • AT4X PREFERRED EQUIPMENT GROUP includes standard equipment
  • OBSIDIAN RUSH FULL GRAIN LEATHER SEAT TRIM
  • TRANSMISSION ALLISON 10-SPEED AUTOMATIC
  • GVWR 11 350 LBS. (5148 KG)
  • 3 YEARS SIRIUSXM
  • 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.)
  • WINTER GRILLE COVER
  • ENGINE BLOCK HEATER
  • 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 (STD)
  • SEATS FRONT BUCKET with center console (STD)
  • LICENSE PLATE KIT FRONT INCANDESCENT LIGHTING
  • REAR AXLE 3.42 RATIO
  • WHEELS 18" (45.7 CM) MACHINED ALUMINUM WHEEL with High Gloss black accents (STD)
  • EXHAUST BRAKE
  • VOLCANIC RED TINTCOAT
  • 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
  • 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
  • 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): 220
  • 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): 158.94
    • Width, Max w/o mirrors (in): 81.85
  • Frame
    • Frame Type: Box Ladder
  • 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
  • Summary
    • Body Code: E63
    • Body Style: Crew Cab Pickup
    • Vehicle Name: GMC Sierra 2500HD
  • Suspension
    • Axle Ratio (:1) - Front: 3.42
    • Axle Ratio (:1) - Rear: 3.42
    • Shock Absorber Diameter - Front (mm): 55
    • Shock Absorber Diameter - Rear (mm): 51
    • Stabilizer Bar Diameter - Front (in): 1.38
    • Suspension Type - Front: Torsion Bar
    • Suspension Type - Rear: 3-Stage Multi-Leaf
  • Tires
    • Front Tire Order Code: QMG
    • Front Tire Size: LT305/70R18
    • Rear Tire Order Code: QMG
    • Rear Tire Size: LT305/70R18
    • 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
  • 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): 18500
    • 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 Axle Wt Rating - Front (lbs): 5600
    • Gross Axle Wt Rating - Rear (lbs): 6600
    • Gross Combined Wt Rating (lbs): 27500
    • Gross Vehicle Weight Rating Cap (lbs): 11350
  • Wheels
    • Front Wheel Material: Aluminum
    • Front Wheel Size (in): 18 x
    • Rear Wheel Material: Aluminum
    • Rear Wheel Size (in): 18 x
    • Spare Wheel Size (in): 18 x
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May not represent actual vehicle. (Options, colors, trim and body style may vary)