They also wrap around 17-inch beadlock wheels that are specific to the Bison. The engine is the only area where I felt the ZR2 Bison could use… more. It’s the same turbocharged 2.7-liter four ...

AutoGuide reports that GM recently filed a trademark for the name "ZR2 Bison." In fact, we may have already seen a preview of the truck last fall with the Colorado ZR2 AEV concept at SEMA.

We were in love. Then Chevrolet trademarked the "ZR2 Bison" name (AEV uses a bison in its logo), which had us hoping for a production version of the SEMA concept. Now, our spy shooters have caught ...

The Silverado ZR2 is hardcore, surpassed only a Bison version that adds even more off-road tech, courtesy of American Expedition Vehicles, or “AEV”). But it doesn’t look as different from ...

When it comes to midsize pickups, a versatile choice, few are more bulletproof than the Chevy Colorado ZR2 Bison, an upgraded version of Chevy's already robust Zr2. The Bison trim went on sale in ...

The off-road-ready ZR2 Bison, however, has been revived. This flagship model comes with massive 35-inch all-terrain tires, a wider front and rear track, steel underbody skid plates, a winch ...