How do they test new trucks in the real world? How does GM test their upcoming 2020 HD trucks? Take a look at what Ryan LeVier caught while traversing the Radical Hill trail, high in the Rocky Mountains of Colorado. Yes, it’s a 2020 Chevy Silverado HD Z71 (or GMC Sierra HD AT4) traversing the steep off-road route.
Take a closer look, one of the towing mirrors is folded in to let Ryan pass. Will the mirrors power fold? Could they power fold one at a time? You could always fold any mirror manually, which is likely what was done here.
Here is all we know about the upcoming 2020 Chevy Silverado HD truck lineup. They will go on sale in the fall of 2019.
