2025 GMC SIERRA 3500 HD

At Steele GMC Buick

icon-dropdown

Available from

$100,922 *

on cash purchase

Finance from as low as

$636 + tx / bi-weekly
3.99% 84 months

with $0 cash down

The effective interest rate is 3.99%.

Lease from as low as

$726 + tx / bi-weekly
7.9% 48 months

with $0 cash down

The effective interest rate is 7.90%.
*Offer details
Get Your Price Quote
Try It Today!
Book Your Test Drive

Try This Vehicle Today

Book Your Test Drive
Evaluate Your Trade-In

Get the Best Value for Your Trade-In

Evaluate Your Trade-In
Get Your Financing

Finance Your Car with Us

Get Your Financing
2025 GMC SIERRA 3500 HD AT4

Specification

2025 GMC SIERRA 3500 HD AT4

  • 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

    • Steering wheel, heated
    • Air conditioning, dual-zone automatic climate control
    • 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, Red
    • 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
    • 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
    • Window, power front, passenger express up/down
  • Exterior

    Standard

    • Tire carrier lock
    • Door handles, body-colour
    • Mouldings, beltline, Black
    • Daytime Running Lamps, LED signature lighting
    • 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])
    • 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
    • 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) High Gloss black aluminum wheels, 8 spokes
    • 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, 20" transit aluminum wheels for LPO 20" wheels and tires
    • Tires, LT275/65R20 E 126/123 BF Goodrich off-road T/A KO3
  • 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 10-way power including lumbar
    • Seat adjuster, passenger 10-way power including lumbar
  • Optional package

    Optional

    • Technology Package
    • AT4 Preferred Package
    • AT4 Premium Plus Package

6 Trims Available For 2025 GMC SIERRA 3500 HD

Compare All Trims
icon-burger