Chevy tweaks off-road capability for Silverado ZR2 with Bison Package
By Paul Borden
MotorwayAmerica.com
(September 3, 2023) Four years after adding upgrades to enhance off-roading capability on its mid-size Colorado pickup, Chevrolet has made the Bison package available in ZR2 models of the 2023 Silverado 1500 pickup.