2020 GMC Sierra 3500HD SLT

Vehicle specifications

Features & options

• Alternators, Dual, 220-Amps Primary, 170-Amps Auxiliary
• Assist Steps, Chromed Tubular, 6'' Rectangular Cab Length
• Audio System, Premium Gmc Infotainment System With 8'' Diagonal Color Touch-Screen
• Bed Liner, Spray-On
• Bed View Camera
• Cardinal Red
• Dark Walnut/Slate, Perforated Leather-Appointed Front Seat Trim
• Dual Rear Wheels
• Emissions, Federal Requirements
• Engine Block Heater
• Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible
• Exhaust Brake
• Gooseneck / 5Th Wheel Package
• Gooseneck / 5Th Wheel Prep Package
• Gvwr, 14,000 Lbs. (6350 Kg) With Dual Rear Wheels
• Lamps, Smoked Amber Led Roof Marker, (Led)
• Pickup Bed
• Rear Axle, 3.42 Ratio
• Seats, Front 40/20/40 Split-Bench
• Slt Preferred Equipment Group
• Tires, Lt235/80R17e All-Season Highway, Blackwall
• Tire, Spare Lt235/80R17e Highway
• Trailer Tire Pressure Monitor Sensors
• Transmission, Allison 10-Speed Automatic
• Wheels, 17'' (43.2 Cm) Painted Steel
• Wheel Trim, Chrome Trim Skins And Chrome Center Caps
• Winter Grille Cover

Dealer notes

Command the road and the job site with this head-turning 2020 GMC Sierra 3500HD SLT. Draped in a striking Cardinal Red exterior, this heavy-duty dually demands attention while offering the uncompromising strength required for the toughest tasks. Featuring a spacious 172'' wheelbase Crew Cab configuration, this pickup perfectly balances bold styling with massive utility, making it an ideal choice for buyers who refuse to compromise on road presence or premium heavy-duty capability.At the heart of this truck is the legendary Duramax 6.6L Turbo-Diesel V8 engine, which is B20-diesel compatible and engineered to deliver effortless towing power and relentless torque. Paired with a dual rear wheel (DRW) configuration and a robust Four Wheel Drive system, this vehicle provides exceptional stability and traction under the heaviest loads. To support demanding electrical needs and towing equipment, it comes equipped with dual alternators—a 220-amp primary and a 170-amp auxiliary alternator—ensuring reliable, consistent power delivery during long-haul operations.Step inside the cabin to find a refined Dark Walnut/Slate interior that offers a comfortable, premium environment for those long days on the road. Accessing the spacious cab is made easy with the 6-inch rectangular chromed tubular cab-length assist steps. Built to work from day one, this pickup features a factory-installed Gooseneck / 5th Wheel Package and a durable spray-on bed liner to protect the cargo box from wear and tear. This highly capable 2020 GMC Sierra 3500HD SLT is the ultimate towing machine, ready to tackle your most demanding hauling adventures.

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