Two Sedans with more similarities, such as the body structure, ground shadow size, height, and maximum occupancy, than differences, like the market segment, starting price, horsepower, and fuel economy. First of all, there is a notable difference in the starting price of the 2016 Nissan Altima, which is $3,500 less than the base MSRP of the 2015 Hyundai Sonata Hybrid. Also, the 2016 Altima has a more powerful engine than the 2015 Sonata Hybrid, and it gets 8.5 fewer miles on a gallon of fuel. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.