2025 GMC SIERRA 3500 HD

Standard

• Suspension Package
• 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
• Rear axle, 3.73 ratio
• 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, Recirculating Ball with smart low power steering system
• Transmission, Allison 10-Speed automatic
• Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lbft of torque [629 N-m] @ 4000 rpm)

Optional

• Engine block heater
• Hill Descent Control
• Skid plates
• Rear axle, 3.42 ratio
• Power Take-Off
• Alternator, 220 amps
• High idle switch
• Suspension, Off-Road, includes twintube shocks
• Transfer case, two-speed, electronic shift with push button controls
• E85 FlexFuel capable
• 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)
• Exhaust brake
• Alternators, dual, 220-amps primary, 170-amps auxiliary
• Battery, auxiliary, 700 cold-cranking amps/70 Amp-hr
• E85 FlexFuel capable

Standard

• Tire pressure monitoring system
• Teen Driver
• HD Rear Vision Camera
• 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
• Door locks, power

Optional

• Rear Cross Traffic Alert
• Lane Departure Warning
• Automatic Emergency Braking
• Tire, spare LT275/70R18 all-terrain, blackwall
• Forward Collision Alert
• Lane Change Alert with Side Blind Zone Alert
• Following Distance Indicator
• IntelliBeam, automatic high beam on/off
• Front and Rear Park Assist, ultrasonic
• Tire, spare LT235/80R17E all-terrain

Standard

• Air conditioning, single-zone
• Mirror, inside rearview, manual tilt
• Power outlet, front auxiliary, 12-volt
• Steering wheel, urethane
• Driver Information Centre, 3.5" diagonal monochromatic display
• Floor covering, rubberized-vinyl
• Air vents, rear
• Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
• Trailer brake controller, integrated
• Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
• Exterior Temperature Display, located in radio display
• Cargo tie downs (12)
• Compass, located in instrument cluster
• Wi-Fi Hotspot capable
• Cruise control, steering wheel-mounted
• N33 Steering column, Tilt-Wheel, manual with wheel locking security feature
• OnStar services capable
• Windows, power front, drivers express up/down
• Window, power front, passenger express down
• Windows, power rear, express down

Optional

• Remote keyless entry
• Mirror, inside rearview auto-dimming
• Floor covering, colour-keyed carpeting
• Floor mats, rubberized-vinyl rear
• Floor mats, rubberized-vinyl front
• Power outlet, instrument panel, 120-volt
• Power outlet, bed mounted, 120-volt
• LED Cargo Area Lighting
• Trailering wiring provisions
• USB ports, 2, Charge/Data ports located on instrument panel
• USB ports, (2) charge-only, rear

Standard

• Tire carrier lock
• Door handles, Black grained
• Mouldings, beltline, Black
• Recovery hooks, front, frame-mounted, Black
• Bumper, front chrome lower
• Daytime Running Lamps, LED signature lighting
• CornerStep, rear bumper
• Hitch Guidance
• Mirror, inside rearview, manual tilt
• Bed Step, Black, integrated on forward portion of bed on driver and passenger side
• Bumper, rear chrome with bumper CornerSteps
• Mirrors, outside high-visibility vertical trailering, lower convex mirrors, manualfolding/extending (extends 3.31"[84.25mm]), moulded in Black
• Pickup bed, includes bed assist step
• Tailgate, locking, utilizes same key as ignition and door
• Tailgate, standard
• Tailgate, gate function manual, no lift assist
• 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
• Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
• Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
• Wheels, 18" (45.7 cm) 8-spoke painted steel, Silver
• Wheels, 17" (43.2 cm) painted steel
• Tires, LT275/70R18E all-terrain, blackwall

Optional

• Grille
• Capless fuel fill
• Mirror, inside rearview auto-dimming
• Mirrors, outside power-adjustable vertical trailering with heated upper glass, lower convex mirrors, integrated turn signals, manual folding/extending (extends 3.31" [84.25mm]), Black
• 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
• Defogger, rear-window electric
• Bed Liner, Spray-on, Pickup bedliner with GMC logo
• Glass, solar absorbing, tinted
• Lamps, Smoked Amber roof marker, (LED)
• Winter Grille Cover
• Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents
• Wheels, 18" (45.7 cm) Polished forged aluminum
• Tires, LT235/80R18 all-terrain, blackwall

Standard

• Audio system feature, 6-speaker system
• Audio system feature, 2-speakers
• Audio system, GMC Infotainment System with 7" diagonal colour touch-screen, AM/FM stereo with seekand- scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable
• Bluetooth for phone, connectivity to vehicle infotainment system

Optional

• SiriusXM

Standard

• Seat adjuster, passenger 4-way manual
• Seat adjuster, driver 4-way manual
• Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)

Optional

• Seat adjuster, driver 10-way power including lumbar

Optional

• Convenience Package
• Fleet Convenience Package
• 1SA Pro Safety Plus Package