2019 GMC Sierra HD: The 2019 GMC Sierra HD is a 5-seat heavy-duty pickup truck. Rear and four-wheel-drive models are offered. Competitors include the Ford F-250 and F-350, Silverado 2500 and 3500, and Ram 2500 and 3500. It remains unchanged for 2019.
There are two engines available: A 6.0-liter V8 that makes 360 horsepower and a 6.6-liter turbocharged diesel engine that makes 445 horsepower. Both engines pair to a six-speed automatic transmission. Maximum towing capacity is 22,700 pounds.
There are four trims available: Sierra, SLE, SLT and Denali. The truck is available in double and crew cab models. Available features include Apple CarPlay, Android Auto, wireless device charging, 4G LTE hotspot, leather seats, heated and cooled seats, heated steering wheel, remote-locking tailgate, infotainment system, HD radio, navigation system, Bluetooth and USB ports. Safety features include lane-departure warning, forward-collision alert, front and rear park assist.
Visit the official GMC site for more information