Two Sedans with more similarities, such as the body structure, market segment, starting price, ground shadow size, height, and maximum occupancy, than differences, like the modifications, fuel economy, market segment, and horsepower. First of all, the 2016 Cadillac CTS V-Sport has bigger and thirstier engine; the 2015 BMW ActiveHybrid 5 gets 7 more mpg. Among similarities are the body structure, market segment, starting price, ground shadow size, height, and maximum occupancy.