Off-Road Adventure Awaits: The 2017 Silverado's All-Terrain Capabilities, Unleash Your Inner Explorer

The sierra hd all terrain x marks a.

Webfor all intents and purposes, the 2017 gmc sierra 2500hd all terrain x is a direct rival to the ram power wagon.

Based on the gmc sierra 2500hd, the all terrain x package adds plenty of bits.

Webcurious as to what you get with the all terrain x package?

14 mpg city, 17 mpg highway;