Bi-Fuel Compressed Natural Gas (CNG) fuel system

The available Bi-Fuel Compressed Natural Gas (CNG) fuel system allows Sierra 2500HD to transition seamlessly between CNG and gasoline. CNG is a domestically produced resource and may cost less than gasoline. Over time, owners can experience a cost savings, depending on their driving habits.

Requires Extended Cab Standard and Long box models, 6.0L V8 Gaseous CNG engine (includes hardened valves and valve seats) and bed rail protectors.