Two Sedans with some similarities, but otherwise different in most aspects such as the model year, powertrain, market segment, starting price, horsepower, and fuel economy. First of all, there is a $3,400 difference in the base MSRP. The 2013 Kia Optima Hybrid, an older vehicle by three model years, has a higher starting price than the 2016 Nissan Altima. Also, the 2016 Altima has a more powerful engine than the 2013 Optima 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.