Two Pickups with more similarities, such as the body structure, height, and maximum occupancy, than differences, like the horsepower, starting price, fuel economy, and ground shadow size. First of all, there is a notable difference in the starting price of the 2017 Chevrolet Silverado 1500 Regular Cab, which is $2,915 less than the base MSRP of the 2017 Toyota Tundra Regular Cab. Also, the 2017 Tundra Regular Cab has bigger and thirstier engine; the 2017 Silverado 1500 Regular Cab gets 4.5 more mpg. And finally, the body structure of Silverado 1500 Regular Cab is slightly smaller than that of the Tundra Regular Cab. Among similarities are the body structure, height, and maximum occupancy.