GM is prepping the waters for the debut of the best off-road vehicle it makes across all its brands: the 2017 Colorado ZR2. We’ll share our driving impressions next week, covering the ZR2’s high- and low-speed driving dynamics. In the meantime, here are a few videos from Chevy that give you a good idea of what kind of testing the GM engineers had to do to get this pickup sorted out. More to come.