• Next Generation 2020 GMC Sierra 3500HD Truck
Next Generation 2020 GMC Sierra 3500HD Truck Key Attributes

NEXT GENERATION 2020 GMC SIERRA 3500 HEAVY DUTY – ENGINEERED TO CONQUER

The next generation 2020 GMC Sierra 3500HD was built with fleets in mind to deliver power and performance. From the world’s first available Six-Function MultiPro™ to the first-ever available Allison® 10-speed automatic transmission, this is a heavy-duty full-size pickup you can count on to tow with command and control. With max towing up to 35,500 lbs.2, the 3500HD is built strong so you can tow with power and control.

Next Generation 2020 GMC Sierra 3500HD Truck Dimensions

SAFETY

  • Fully boxed ladder-type frame with nine cross members
  • Available Gooseneck Prep Package
  • Available Automatic Emergency Braking
  • Standard Rear Vision Camera with class-leading available 15 camera views3
  • Available Safety Alert Seat
  • Available Forward Collision Alert
  • Available Lane Change Alert with Side Blind Zone Alert

PERFORMANCE

  • 6.6L V8 gas engine (401 hp/464 lb.-ft.) with 6-speed automatic transmission
  • Available 6.6L Duramax Turbo Diesel V8 (445hp/910lb.-ft.) with available Allison® 10-speed automatic transmission
  • 4-wheel antilock disc brakes with DuralifeTM brake rotors
  • Available segment first Integrated Power Take Off (PTO)
  • Heavy-duty locking rear differential
  • StabiliTrak® Electronic Stability Control System with Trailer Sway Control and Hill Start Assist
  • Available ProGrade Trailering System that features an In-Vehicle Trailering App offering customized trailer profiles5

PRODUCTIVITY

  • Available MultiPro™ Tailgate: World's first six-function tailgate
  • More cargo volume than any other competitor (excludes other GM vehicles)
  • Apple CarPlay®6 and Android AutoTM7 compatibility
  • 12 cargo bed tie-downs rated at 500lbs per corner
  • LED headlamps with GMC Signature LED Lighting and LED taillamps
  • New BedStep feature and larger CornerSteps
  • Vertical trailering mirrors
  • Roll-formed high strength steel bed

Safety features or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. The driver should remain attentive to traffic, surroundings and road conditions at all times. Visibility, weather and road conditions may affect feature performance. Read the vehicle’s Owner’s Manual for more important feature limitations and information.

Your safety is very important to us. If you want to determine whether or not there is a recall on your current vehicle or on a vehicle you are considering, visit www.nhtsa.gov/recalls or call (888) 327-4236.

GALLERY

  • Next Generation 2020 GMC Sierra 3500HD Truck Interior
  • Next Generation 2020 GMC Sierra 3500HD Truck Dash View
  • Next Generation 2020 GMC Sierra 3500HD Truck Dually Towing Camper
  • Next Generation 2020 GMC Sierra 3500HD Truck Dually Towing Cargo
  • Next Generation 2020 GMC Sierra 3500HD Truck Sidestep
Next Generation 2020 GMC Sierra 3500HD Comparison Chart
Next Generation 2020 GMC Sierra 3500HD Truck Advanced Trailering Technology

CUTTING-EDGE TRAILERING TECHNOLOGY

  • Available ProGrade™ Trailering System with In-Vehicle Trailering App5 featuring trailer light test, customizable trailer profiles, trailer tire pressure and temperature monitoring, pre-departure checklists and trailer theft alert9
  • Available 15 unique camera views3 to help improve hitching and towing experience
  • Available industry-first transparent trailer view3

POWERFUL ENGINE OPTIONS

  • All-new 6.6L gasoline direct-injected V8 engine
  • 401 hp (11% increase) and 464 lb.-ft. of torque (22% increase)
  • Available 6.6L Duramax® Diesel V8 engine with all-new available Allison® 10-speed automatic transmission – the first-ever offered in the heavy duty pickup segment (445 hp/910 lb.-ft.)
Next Generation 2020 GMC Sierra 3500HD Truck Engine Options
Next Generation 2020 GMC Sierra 3500HD Truck MultiPro Tailgate

MULTIPRO TAILGATE

Sierra’s available MultiPro Tailgate is essentially two tailgates in one. The world’s first six-function MultiPro Tailgate consists of the primary gate and a smaller inner gate. Raising and lowering these two tailgate panels in different combinations allows MultiPro to take on a variety of different roles.

AVAILABLE FLEET PACKAGES

The all-new Sierra 3500HD is designed to stand up to the toughest jobs, with advanced trailering technologies and other options that help take that capability even further. Equip your truck with specialized, fleet-specific packages that combine features to help keep your drivers comfortable and in control. 

FLEET CONVENIENCE PACKAGE

  • EZ-Lift Power Lock and Release Tailgate
  • Heated, power-adjustable vertical trailering mirrors
  • Power door locks (Regular Cab only)
  • Power windows with front passenger express-down and driver express-up/-down (Regular Cab only)
  • Remote Keyless Entry

FLEET COMFORT PACKAGE

  • 10-way power driver seat with power lumbar
  • 120-volt power outlet
  • 120-volt bed-mounted power outlet
  • Dual-zone automatic climate control
  • EZ-Lift Power Lock and Release Tailgate
  • Heated front seats
  • Leather-wrapped steering wheel
  • Rear-window defogger
  • Tilt/telescoping steering column

WT SAFETY PACKAGE4

  • Front and Rear Park Assist
  • Lane Change Alert with Side Blind Zone Alert
  • Rear Cross Traffic Alert
  • Chrome front and rear bumpers

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