2016 GMC Sierra pairs off-road attitude, elegant styling
The 2016 GMC Sierra full-size pickup truck combines an off-road attitude in its new All-Terrain X package and an elegant vibe with subtly freshened front and rear styling. New features add convenience: a remote-locking tailgate, power articulating steps, wireless phone chargers and easier smartphone compatibility. Plus, a modern, eight-speed automatic transmission is available on more