2024 Chevy Colorado Zr2 Bison Mpg. The zr2 is rated at 17 mpg in the city and on the highway, both of which are one more than the zr2 bison. That's its epa rating (city, highway, and combined),.

Fuel economy of the 2024 chevrolet colorado zr2 bison 4wd. 2024 chevrolet colorado zr2 bison 4wd personalize find a car: