Two Pickups with some similarities, but otherwise different in most aspects such as the horsepower, starting price, fuel economy, ground shadow size, height, and maximum occupancy. First of all, the 2017 Chevrolet Colorado Crew Cab is priced $4,715 lower compared to the base MSRP of the 2017 Toyota Tundra Regular Cab. Also, the 2017 Tundra Regular Cab has bigger and thirstier engine; the 2017 Colorado Crew Cab gets 4.5 more mpg. In addition, not only Colorado Crew Cab is slightly smaller, but it's also shorter than the Tundra Regular Cab. And finally, you'll seat one more passenger in the Toyota Tundra Regular Cab than in the Chevrolet Colorado Crew Cab. Among similarities is the body structure.