Wow. At the end of my week with Colorado ZR2 Bison, I gave it up. When it comes to sheer off-road prowess, few machines are a match for this thing. My muddy hat is off, and my crud-covered boots ...

The ZR2 trim, introduced in the 1990s, offers factory features for conquering the great outdoors. The ZR2 package for Silverado and Colorado provides top-notch off-road performance and ...