I’m behind the wheel of the 2024 Chevrolet Silverado 2500HD ZR2 Bison in Johnson Valley ... My tester has 975 pound-feet of torque thanks to the Duramax turbodiesel 6.6-liter V8 and I’m ...

Powering the concept is the 2.8-liter Duramax diesel engine, but like the ZR2, we expect the Bison to be available with either the diesel or 3.6-liter gasoline option. Pricing for the Colorado ZR2 ...