The 2019 GMC Sierra 2500HD is a heavy-duty pickup truck belonging to the third generation of Sierra HD lineup. It comes in two power-packed engine variants: a 6.0L V8 pumping out 360 horsepower and a more aggressive 6.6L Duramax Turbodiesel V8 producing a whopping 445 horsepower, both mated with a 6-speed automatic transmission, and offered in RWD or 4WD configurations. There are four trims provisioned: a standard base, SLE, SLT, and the luxury-focused Denali, all providing a towing capacity of up to 14,500 lbs. On the safety front, the Sierra 2500HD provides a rearview camera, stability control, and tire pressure monitoring as standard across all trims. Inside the cabin, the Sierra 2500HD features a 7-inch or 8-inch infotainment touchscreen with Apple CarPlay and Android Auto capability nestled within a rugged yet refined interior.