Simple and easy to use, the GMC infotainment system1 in the Sierra AT4 offers an intuitive interface that responds faster and has better voice recognition than any previous Sierra model. You can even customize and save your profile, and use it with your sign-in in another Sierra.
Multi-color 8" diagonal touch-screen
Available Navigation (5)
Connect two devices at once, with storage for up to 10
Customizable profiles, saved with each driver’s settings and presets, can be used in another compatible 2019 Sierra