2023 GMC Sierra 3500 HD AT4 at Marlin Chevrolet Buick GMC

Optional

• Driver Alert Package I: Front and Rear Park Assist, Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert
• Driver Alert Package II: Forward Collision Alert, Lane Departure Warning, Automatic Emergency Braking, IntelliBeam, Following Distance Indicator
• X31 Off-Road Package: Hill Descent Control, skid plates, Off-Road suspension, Twin-tube Rancho shocks
• AT4 Preferred Package: includes Bed View Camera, HD Surround Vision with Two Trailer View Camera Provisions, Universal Home Remote, rear sliding power window, 8" diagonal Premium GMC Infotainment with navigation, Bose Premium Audio System, Roof Marker Lamps and Wireless Charging
• AT4 Premium Plus Package: AT4 Preferred Package, Driver Alert Package I, Driver Alert II, 20" (50.8 cm) machined aluminum wheels with high gloss Black accents, power sunroof, Technology Package and AT4 high clearance step, LPO
• Technology Package: Rear Camera Mirror and Multicolour 15" Diagonal Head-Up Display
• Snow Plow Prep/Camper Package: 220-amp alternator, includes increased front GAWR on Heavy Duty models, skid plates (transfer case and oil pan), pass through dash grommet hole and roof emergency light provisions
• Gooseneck / 5th Wheel Package
• Gooseneck / 5th Wheel Prep Package
• Heavy Duty Front Spring/Camper Package

Standard

• Tire pressure monitoring system
• Teen Driver
• Tire, spare LT275/70R18 all-terrain, blackwall
• 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
• Seat Belt Adjustable Guide Loops, front row only

Optional

• Rear Cross Traffic Alert
• Lane Departure Warning
• HD Rear Vision Camera
• Automatic Emergency Braking
• Forward Collision Alert
• Safety Alert Seat
• Lane Change Alert with Side Blind Zone Alert
• Following Distance Indicator
• IntelliBeam, automatic high beam on/off
• Door locks, power
• Theft-deterrent system, unauthorized entry
• Front and Rear Park Assist, ultrasonic

Standard

• Crew cab
• Tire carrier lock
• Capless fuel fill
• Door handles, body-colour
• Mouldings, beltline, Black
• Daytime Running Lamps, LED signature lighting
• CornerStep, rear bumper
• Hitch Guidance
• Tires, LT275/70R18E all-terrain, blackwall
• Mirror, inside rearview auto-dimming
• Bed Step, Black, integrated on forward portion of bed on driver and passenger side
• Bumper, front, body-colour lower
• Bumper, rear body-colour with bumper CornerSteps
• Fog lamps, LED
• Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
• Taillamps, LED signature taillight, with LED stop and reverse light
• Mirrors, outside power-adjustable vertical trailering with heated and autodimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31"[84.25mm])
• Mirror caps, high gloss Black
• Pickup bed, includes bed assist step
• Tailgate, GMC MultiPro Tailgate, with six functional load/access features
• Tailgate, gate function manual with EZ Lift, includes power lock and release, includes hitch area light
• Tailgate and bed rail protection caps, top
• Trailering Package, includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
• Trailering Information Label, provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering

Optional

• Grille
• Tires, LT275/65R20 all-terrain, blackwall
• Glass, deep-tinted
• Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents
• Defogger, rear-window electric
• Bed Liner, Spray-on, Pickup bedliner with GMC logo
• Lamps, Smoked Amber roof marker, (LED)
• Tires, LT275/70R18, mud-terrain, blackwall
• Wheels, 20" (50.8 cm) machined aluminum with high gloss Black accents

Standard

• Air filtration monitoring
• Cooling, external engine oil cooler
• Alternator, 170 amps
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Cooling, auxiliary external transmission oil cooler
• 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)
• Rear axle, 3.73 ratio
• Transmission, 6-speed automatic, heavy-duty
• Brake lining wear indicator
• Auto-locking rear differential
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• Air filter, heavy-duty
• Steering, Digital Variable Steering Assist, this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
• Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible, (445 hp [332 kW] @ 2800 rpm, 910 lb-ft of torque [1220 Nm] @ 1600 rpm)

Optional

• Engine block heater
• Hill Descent Control
• Skid plates
• Alternator, 220 amps
• High idle switch
• Suspension, Off-Road, includes twintube shocks
• Transfer case, two-speed active, electronic Autotrac with push button control
• Alternators, dual, 220-amps primary, 170-amps auxiliary
• Battery, auxiliary, 730 cold-cranking amps/70 Amp-hr

Standard

• Bluetooth for phone

Optional

• SiriusXM with 360L
• Audio system feature, 6-speaker system
• Audio system, Premium GMC Infotainment System with 8" diagonal colour touch-screen, includes 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, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle setting
• Audio system, Premium GMC Infotainment System with Navigation and 8" diagonal colour touch-screen, includes 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, advanced voice recognition, in vehicle apps, personalized profiles for infotainment and vehicle settings. Includes greater memory.
• Wireless Phone Projection, for Apple CarPlay and Android Auto
• MultiPro Audio System by Kicker

Standard

• Cruise control
• Steering wheel, heated
• Air conditioning, dual-zone automatic climate control
• Mirror, inside rearview auto-dimming
• Power outlet, front auxiliary, 12-volt
• Floor covering, colour-keyed carpeting
• Air vents, rear
• Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
• Driver Information Centre, 4.2" diagonal colour display, includes driver personalization
• Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
• Exterior Temperature Display, located in radio display
• Driver memory
• Steering wheel, wrapped
• Cargo tie downs (12)

Optional

• Steering wheel audio controls
• Centre console
• Keyless Open and Start
• In-vehicle Trailering App
• ProGrade Trailering System
• Wireless Charging
• USB ports, 2 (first row) located on instrument panel
• Driver Information Centre, enhanced, 8" diagonal multicolour digital display, includes analog speedometer and tachometer gauges
• Steering column, lock control, electrical
• Remote vehicle starter system
• Hitch Guidance with Hitch View
• Trailer brake controller, integrated
• Compass, located in instrument cluster
• Premium Floor Liners with removable carpet insert, front
• Premium Floor Liners with removable carpet insert, rear
• OnStar and GMC connected services capable
• Wi-Fi Hotspot capable
• GMC Connected Access capable
• Power outlet, rear auxiliary, 12-volt
• Power outlet, instrument panel, 120-volt
• Power outlet, bed mounted, 120-volt
• USB Ports (Inside Console with bucket seats), 2, also includes 1 SD card reader and auxiliary jack
• USB ports, dual, charge-only (2nd row)
• 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
• HD Surround Vision with Two Trailer View Camera Provisions
• Steering column, manual Tilt-Wheel and telescoping
• Universal Home Remote
• Window, power, rear sliding with rear defogger
• Windows, power front, drivers express up/down
• Window, power front, passenger express up/down
• LED Cargo Area Lighting
• Windows, power rear, express down
• Recovery hooks, Red
• Wheelhouse liners, rear
• Trailering wiring provisions

Standard

• Rear Seat Reminder
• Seats, front bucket with centre console
• Seat adjuster, driver 10-way power including lumbar
• Seat, Up-level Rear with Storage Package
• Seat adjuster, passenger 10-way power including lumbar

Optional

• Seats, heated second row outboard seats
• Seating, heated driver and front outboard passenger
• Seats, ventilated driver and front passenger