Two Pickups with some similarities, but otherwise different in most aspects such as the horsepower, ground shadow size, starting price, fuel economy, height, and maximum occupancy. First of all, there is a $4,820 difference in the base MSRP. The 2018 Toyota Tundra Double Cab has a higher starting price than the 2018 Chevrolet Colorado Crew Cab. Also, the 2018 Tundra Double Cab has a more powerful engine than the 2018 Colorado Crew Cab, and it gets 4.5 fewer miles on a gallon of fuel. In addition, the Colorado Crew Cab is both significantly smaller and slightly shorter than the Tundra Double Cab. And finally, there is a difference in the number of passengers; the Toyota Tundra Double Cab seats one more the Chevrolet Colorado Crew Cab. Among similarities is the body structure.