Chevy Colorado 2025 Zr2 Bison. Accelerating, the bison is 0.3 second slower getting up to 60 mph than a standard zr2. On wednesday, the 2025 chevrolet colorado zr2 bison debuted boasting bigger tires, better breakover and departure angles,.

The chevrolet colorado zr2 bison is rejoining the colorado family of midsize trucks for the 2025 model year. 2025 chevrolet colorado zr2 bison | manufacturer image.