The 2024 GMC Sierra 3500HD CC is part of the third generation of Sierra heavy-duty pickup trucks. This model, specifically designed for commercial use, offers either a RWD or 4WD drivetrain, a 6.6L V8 engine generating 401 horsepower or a Duramax 6.6L Turbo-Diesel V8 engine kicking out 910 lb-ft of torque. The Sierra 3500HD CC is mated to a six-speed automatic transmission or a 10-speed Allison automatic transmission, depending on chosen engine. Trim level choices include a Work Truck, SLT, and Denali, each increasing in standard features and luxury appointments. This heavy-hauler also integrates GMC's ProGrade Trailering system, which provides an array of camera views to make towing easier. Technology-wise, the Sierra 3500HD CC boasts a 7-inch or optional 8-inch infotainment system with Apple CarPlay, Android Auto, and an available 4G LTE Wi-Fi hotspot. For safety, it comes with frontal airbags, a rear-vision camera, and StabiliTrak stability control system with proactive roll avoidance.