2025 Chevy Colorado Zr2 Bison Mpg. Unlike some competitors, the colorado doesn't. The 2025 chevrolet colorado is available in four trim levels:

The trail boss is rated 18 mpg combined, and the zr2 and zr2 bison come in at 17 mpg and 16 mpg combined, respectively. For example, the 2023 chevrolet colorado zr2 crew cab trim model has a combined gas mileage of 16 miles per gallon, while the 2016 chevrolet colorado crew cab z71 has a combined gas mileage of 26.5 miles.