: This review has been updated with instrumented test results.Any truck is a big investment, but in the GMC Sierra HD AT4X AEV's case, the investment isn't the only thing that's big. At 8720 pounds, ...

Then Chevrolet trademarked the "ZR2 Bison" name (AEV uses a bison in its logo), which ... with "Chevrolet" written across it. The bumper looks like it could be home to an integrated winch mount ...

This is an expansion of the partnership that began last fall with the fantastic Chevy Colorado AEV Concept. Rumors persist that AEV is working with Chevy on the ZR2 Bison, an upfitted overlander ...