Two Sedans with more similarities, such as the body structure, ground shadow size, height, and maximum occupancy, than differences, like the fuel economy, market segment, starting price, and horsepower. First of all, there is a notable difference in the starting price of the 2016 Volkswagen Passat, which is $3,550 less than the base MSRP of the 2015 Kia Optima Hybrid. Also, the 2016 Passat has a more powerful engine than the 2015 Optima Hybrid, and it gets 11.5 fewer miles on a gallon of fuel. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.