CARS.COM — For 2016, the GMC Sierra SLT Crew Cab gets refreshed front-end styling, Android Auto and Apple CarPlay, and a mild hybrid powertrain option that rolls out this summer.

2024 GMC Sierra HD Exterior GMC updates the 2024 Sierra HD with a new front fascia design and a revised bumper. The grille is also new and varies in design based on trim. The new truck also has ...