The 2015 Chevrolet Colorado is a 4-door, 4-seat Regular Side, available in 19 trims, ranging from the WT 4x2 Extended Cab to the Z71 4x4 Crew Cab Long Box. Upon introduction, the $21,775 WT 4x2 Extended Cab is equipped with a standard 2.5L, 4-cylinder, engine that achieves 19-mpg in the city and 26-mpg on the highway. A Manual transmission is standard. The $34,415 Z71 4x4 Crew Cab Long Box is equipped with a standard 3.6L, 6-cylinder, engine that achieves 17-mpg in the city and 24-mpg on the highway. An Automatic transmission is standard.