2026 GMC Sierra 3500 HD Pro

Complete vehicle specifications

Vehicle description

Features & options (109)

• Basic
• Corrosion
• Maintenance
• Roadside Assistance
• Max seating capacity
• Fuel System
• Fuel tank capacity
• Horsepower
• Towing capacity
• 6-speaker audio system
• Bluetooth
• GMC Infotainment System with color touchscreen
• SiriusXM Trial Subscription
• Wi-Fi Hotspot capable
• Wireless phone projection
• 18" LT275/70R18 all-terrain, blackwall spare tire
• 18" LT275/70R18E all-terrain, blackwall tires
• 18" machined aluminum wheels with Dark Grey metallic accents
• 6" Black rectangular assist steps
• Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
• Black beltline moldings
• Black door handles
• Black outside power-adjustable vertical trailering mirrors
• Cargo bed LED lighting
• Cargo tie-downs
• Chrome front bumper
• Chrome rear bumper
• CornerStep rear bumper
• Deep-tinted glass
• IntelliBeam
• LED signature taillamp, with LED stop and reverse light
• Locking tailgate
• Side Bed Step
• Smoked Amber LED roof marker lamps
• Solar-absorbing glass
• Spare tire carrier lock
• Standard tailgate
• Tailgate and bed rail protection caps
• Tailgate with EZ Lift assist, power lock & release
• Winter Grille Cover
• 12-volt auxiliary front power outlet
• 120-volt box-mounted power outlet
• 120-volt power outlet
• 3.5" diagonal monochromatic Driver Information Center
• 4-way manual driver seat
• 4-way manual front passenger seat
• 40/20/40 split-bench front seat with under-seat storage
• 60/40 split-folding rear bench seat
• All-weather floor liners
• Assist handles
• Carpeted floor covering
• Compass
• Cruise control
• Inside rearview manual day/night mirror
• Manual tilt steering column
• Outside temperature display
• Power door locks
• Power windows with driver express-up/down
• Power windows with front passenger express-down
• Power windows with rear express-down
• Rear air vents
• Rear window defogger
• Remote Keyless Entry
• Single-zone manual climate control
• Steering wheel
• USB ports
• 10-speed automatic transmission
• 12,100 lbs. GVWR
• 220-amp alternator
• 3.42 rear axle ratio
• 4-wheel antilock disc brakes
• 6.6L Duramax Turbo-Diesel V8 engine
• Automatic locking rear differential
• Black vertical recovery hooks
• Brake pad wear indicator
• Capped fuel fill
• Diesel exhaust brake
• Electronic shift 2-speed transfer case with push button controls
• Engine block heater
• External auxiliary transmission oil cooler
• External engine oil cooler
• Fully boxed frame
• Heavy-duty 730 cold-cranking amps battery
• Integrated trailer brake controller
• Skid plates
• Steering
• Suspension Package
• Trailering Information Label
• LED Daytime Running Lamps
• Signature LED Daytime Running Lamps
• 6 airbags
• Buckle to Drive
• Following Distance Indicator
• Forward Collision Alert
• Front Pedestrian Braking
• HD Rear Vision Camera
• Hitch Guidance
• Lane Departure Warning
• OnStar Basics
• OnStar services capable
• Rear Seat Belt Indicator
• Rear Seat Reminder
• Seat Belt Adjustable Guide Loops
• Teen Driver
• Tire Pressure Monitoring System with Tire Fill Alert
• Automatic Emergency Braking
• StabiliTrak, electronic stability control system with traction control
• PRO Convenience Package
• Snow Plow Prep / Camper Package

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.