2020 GMC Sierra HD: The 2020 GMC Sierra HD is a 5-seat, three-quarter-ton pickup truck. Rear- and four-wheel-drive models are offered. Competitors include the Chevrolet Silverado HD, Ford Super Duty, and Ram Heavy Duty. For 2019 (as a 2020 model year) it is all new.
There are two engines available: A 6.6-liter V8 engine that produces 401 horsepower, 464 pound-feet of torque and mates to a 6-speed automatic transmission, and a 6.6-liter Duramax Diesel V8 that produce 445 horsepower, 910 pound-feet of torque and mates to a 10-speed automatic transmission. Maximum towing capacity is rated at 35,500 pounds.
There are three different trims available: SLE, SLT, and Denali. Available features include Apple CarPlay, Android Auto, leather seats, heated seats, heated steering wheel, OnStar, navigation, sunroof, Bluetooth, premium audio. Safety features include auto parking brake, trailer sway control, and 15 different cameras including rearview.
Visit the official GMC site for more information