We're taking a look at the 2025 Chevy Silverado Z71, Trail Boss, and ZR2, breaking down the key differences in the exterior, ...

while the Bison gets 35-inch versions of the same Goodyear territory mud-terrain tires. The Z71, meanwhile, muddles through ...

Way back when, Chevrolet Z71 models were the automaker’s top off ... 35-inch tires, an AEV-modified Bison trim, and the option to equip it with a gas or diesel engine. Plus, it just looks ...

The Trailboss and Z71 trims that used the TurboPlus engine ... All the other trims come with these two items added as standard. Adding the Bison package to the ZR2 will set you back a full $ ...

Z71 Colorados appeal to those looking to go off ... and an aftermarket-enhanced ZR2 Bison trim was added for 2024. The Colorado took a short hiatus before returning for 2015, just as the number ...