GM Authority14d
Little-Known GMC Accessory Kit Gives Sierra AT4 Owners Black Badges
For those GMC Sierra AT4 truck owners looking to fully black-out the badges on their pickup, these little-known GMC ...
Car and Driver2y
2019 GMC Sierra HD 2WD Double Cab 158.1" Features and Specs
Black with manual folding and extension and lower convex spotter glass (Standard on Double Cab and Regular Cab models. Not available with (PDD) Sierra Convenience Package.) Glass, solar absorbing ...