2026 GMC Sierra 3500 HD PRO

Standard

• CornerStep, rear bumper
• Tailgate, standard
• Bed Step, Black, integrated on forward portion of bed on driver and passenger side
• Bumper, front chrome lower
• Bumper, rear chrome with bumper CornerSteps
• Capless Fuel Fill
• Door handles, Black grained
• Daytime Running Lamps, LED signature lighting
• Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
• Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
• LED Signature DRL's
• Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
• Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
• Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
• Mouldings, beltline, Black
• Pickup bed, includes bed assist step
• Mirrors, outside high-visibility vertical trailering, lower convex mirrors, manual-folding/extending (extends 3.31")
• Tailgate, locking, utilizes same key as ignition and door
• Tailgate, gate function manual, no lift assist
• Tailgate and bed rail protection caps, top
• Tire carrier lock, keyed cylinder lock that utilizes same key as ignition and door
• Tires, LT275/70R18E all-terrain, blackwall
• Trailering Package, includes trailer hitch, 7-pin and 4-pin connectors and Hitch Guidance
• Trailering Information Label, provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
• Trailer brake controller, integrated
• Tires, LT275/70R18E all-terrain, blackwall
• Wheels, 18" 8-spoke painted steel, Silver Extended
• Wheels, 17" painted steel

Optional

• Tailgate, GMC MultiPro Tailgate, with six functional load/access features
• Tire, spare LT275/70R18 all-terrain, blackwall
• Capped Fuel Fill
• Tailgate, gate function manual with EZ Lift, includes power lock and release, includes hitch area light
• License plate kit, front, Incandescent lighting (will be shipped to orders with ship-to provinces that require front license plate)
• Mirrors, outside heated power-adjustable, manual folding, (Passenger mirror includes flat glass, not convex) smaller non-trailer mirror, 11.2" (284.73mm) x 7.15" (181.69mm)

Standard

• Brake lining wear indicator
• Cooling, external engine oil cooler
• Alternator, 170 amps
• Rear axle, 3.73 ratio
• Suspension Package
• Air filtration monitoring
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Cooling, auxiliary external transmission oil cooler
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• Recovery hooks, front, frame-mounted, Black
• Hitch Guidance, dynamic single line to aid in truck trailer alignment for hitching
• Air filter, heavy-duty
• Auto-locking rear differential
• 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)
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Steering, Recirculating Ball with smart flow power steering system

Optional

• Engine Block Heater
• Alternator, 220 amps
• Transmission, 10-speed automatic
• Exhaust brake
• Rear axle, 3.42 ratio
• Winter Grille Cover
• 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)

Standard

• Wi-Fi hotspot capable
• Bluetooth for phone, connectivity to vehicle infotainment system
• OnStar services capable
• Audio system feature, 2-speakers
• Audio system, GMC Infotainment System with 7" diagonal colour touch-screen, AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable
• Audio system feature, 6-speaker system
• Driver Information Centre, 3.5" diagonal monochromatic display
• Compass, located in instrument cluster
• Exterior Temperature Display, located in radio display
• Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
• OnStar Basics (OnStar Fleet Basics for Fleet) Drive more confidently with up to 8 years of core OnStar services including mobile app commands, connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic, and Automatic Crash Response.

Standard

• Door locks, power
• Steering wheel, urethane
• Air vents, rear
• Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
• Mirror, inside rearview, manual tilt
• Air conditioning, single-zone
• Seat Belt Adjustable Guide Loops, front row only
• Cruise control, steering wheel-mounted
• Floor covering, rubberized-vinyl
• Power outlet, front auxiliary, 12-volt
• Steering column, Tilt-Wheel, manual with wheel locking security feature
• Windows, power front, drivers express up/down
• Window, power front, passenger express down
• Windows, power rear, express down

Optional

• Adaptive cruise control
• Defogger, rear-window electric
• Floor covering, colour-keyed carpeting
• Universal Vehicle Module
• Floor mats, rubberized-vinyl front
• Floor mats, rubberized-vinyl rear
• Mirror, inside rearview auto-dimming
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• Power outlet, bed mounted, 120-volt (400 watts shared with instrument panel mounted power outlet)
• USB ports, (2) charge-only, rear

Standard

• Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)
• Seat adjuster, driver 4-way manual
• Seat adjuster, passenger 4-way manual
• Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor)

Optional

• Seat adjuster, driver 10-way power including lumbar