Prices shown for the used 2015 Chevrolet Colorado Extended Cab Z71 4WD with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit ...

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 ...