Compare images of 2020 Kia Optima and 2020 Nissan Altima by choosing the desired model and trim and then selecting the comparison image.
Two Sedans with more similarities, such as the body structure, starting price, ground shadow size, height, and maximum occupancy, than differences, like the horsepower and fuel economy. And finally, the 2020 Kia Optima has a more powerful engine and gets 2.8 mpg less than the 2020 Nissan Altima. Among similarities are the body structure, starting price, ground shadow size, height, and maximum occupancy.