2025 GMC Sierra 3500 HD

For sale at Action Chevrolet Buick GMC

Available from

$106,798

on cash purchase

Finance from as low as

$708

+ tx / bi-weekly

5.49%

84 months

with $0 cash down

*Offer details

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Build this Model

Exterior Interior 360° View

Onyx Black

Sterling Metallic

Summit White

2025 GMC Sierra 3500 HD DENALI - Downpour Metallic

Downpour Metallic (+$495)

2025 GMC Sierra 3500 HD DENALI - Titanium Rush Metallic

Titanium Rush Metallic (+$495)

2025 GMC Sierra 3500 HD DENALI - White Frost Tricoat

White Frost Tricoat (+$1,195)

Jet Black Forge Perforated Leather Bucket Seats (H2X-A50)

Atmosphere/Brown Stone Forge Perforated Leather Bucket Seats (H24-A50)

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Sierra 3500 HD 2025 GMC

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Specifications

2025 GMC Sierra 3500 HD DENALI

Chassis / mechanical

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
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, Digital Variable Steering Assist, this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
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
Alternator, 220 amps
High idle switch
Suspension, Off-Road, includes twintube shocks
Transfer case, two-speed active, electronic Autotrac with push button control
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

Safety

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
Door locks, power

Optional

Rear Cross Traffic Alert
Lane Departure Warning
Automatic Emergency Braking
Forward Collision Alert
Safety Alert Seat
Following Distance Indicator
IntelliBeam, automatic high beam on/off
Theft-deterrent system, unauthorized entry
Front and Rear Park Assist, ultrasonic

Interior / comfort / convenience

Standard

Floor mats, carpeted rear
Steering wheel, heated
Air conditioning, dual-zone automatic climate control
Floor mats, carpeted front
Mirror, inside rearview auto-dimming
Floor covering, colour-keyed carpeting
Air vents, rear
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
Trailer brake controller, integrated
Exterior Temperature Display, located in radio display
Driver memory
Steering wheel, wrapped
Cargo tie downs (12)
Compass, located in instrument cluster
Wi-Fi Hotspot capable
Recovery hooks, front, Chrome
Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
OnStar services capable
Windows, power front, drivers express up/down
Windows, power rear, express down

Optional

Steering wheel audio controls
Centre console
Keyless Open and Start
In-vehicle Trailering App
ProGrade Trailering System
Wireless Charging
Remote vehicle starter system
Hitch Guidance with Hitch View
Premium Floor Liners with removable carpet insert, front
Premium Floor Liners with removable carpet insert, rear
Power outlet, instrument panel, 120-volt
Power outlet, bed mounted, 120-volt
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
Steering column, manual Tilt-Wheel and telescoping
Universal Home Remote
LED Cargo Area Lighting
Wheelhouse liners, rear
Trailering wiring provisions
USB ports, 2, Charge/Data ports located inside centre console
USB Ports, 2 (first row) located on console
USB ports, (2) charge-only, rear
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
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
Window, power front, passenger express up/down

Exterior

Standard

Tire carrier lock
Daytime Running Lamps, LED signature lighting
Mirror caps, chrome
Door handles, chrome
CornerStep, rear bumper
Hitch Guidance
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
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])
Mouldings, beltline, stainless stee
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
Assist steps, chromed tubular, 6" rectangular cab length (factory installed)
Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Wheels, 20" (50.8 cm) Ultra-bright machined wheels with bright chrome inserts
Tires, LT275/65R20 all-terrain, blackwall

Optional

Grille
Capless fuel fill
Glass, deep-tinted
Defogger, rear-window electric
Bed Liner, Spray-on, Pickup bedliner with GMC logo
Lamps, Smoked Amber roof marker, (LED)
Winter Grille Cover
Hitch Guidance with Hitch View
Wheels, 18" (45.7 cm) Polished forged aluminum
Wheels, 20" transit aluminum wheels for LPO 20" wheels and tires
Tires, LT235/80R18 all-terrain, blackwall

Infotainment / communication

Standard

Bluetooth for phone, connectivity to vehicle infotainment system
Audio System, 13.4 " diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes colour touchscreen, 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

Optional

SiriusXM with 360L
Wireless Phone Projection, for Apple CarPlay and Android Auto
MultiPro Audio System by Kicker

Seats / trim

Standard

Seats, front bucket with centre console
Seat adjuster, driver 12-way power including lumbar

Optional package

Optional

Technology Package
Denali Illumination Package
Denali Reserve Package

6 Trims Available For 2025 GMC Sierra 3500 HD

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