The 2017 GMC Sierra 3500HD is a heavy-duty truck with available 2WD and 4WD configurations. Offered in four trims: base, SLE, SLT, and the luxurious Denali, this GMC model stands out for its vigorous towing and hauling capabilities. It's offered with two engine options: a standard 6.0L V8 generating 360 hp and 380 lb-ft of torque, or a more potent 6.6L turbodiesel V8 which produces a hefty 445 hp and 910 lb-ft of torque. Both engine options are paired with a six-speed automatic transmission. Available features include an infotainment system with an 8-inch touchscreen, Apple CarPlay and Android Auto compatibility. Regarding safety, Driver Alert packages offer features like front and rear parking sensors, lane-departure warning, and forward collision alert. Notably, for 2017 the Sierra 3500HD received an updated diesel engine with additional horsepower and torque compared to the previous year.