Rather than being purely cosmetic, the Z71 package will add a host of real mechanical upgrades to the Suburban, Silverado and Avalanche. Of course, Chevy is still making sure its big SUV and ...

It now has a giant air intake in front, inspired by the Chevy Camaro, flanked by razor-thin LED headlights. Dark cladding on the bottom adds to SUV look. The Traverse Z71 tested here comes with ...