2024 Colorado Zr2 Bison Review. The zr2 bison's extra weight takes a predictable toll on performance. Accelerating, the bison is 0.3 second slower getting up to 60 mph than a standard zr2.

The colorado zr2 bison is the pricier of the two, of course, at $65,125 as tested; It looks great too, but it sacrifices some utility versus.