Compare images of 2018 Kia Optima Hybrid and 2018 Mazda 6 by choosing the desired model and trim and then selecting the comparison image.
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 $4,045 difference in the base MSRP. The 2018 Kia Optima Hybrid has a higher starting price than the 2018 Mazda 6. Also, the 2018 6 has a more powerful engine and gets 14.5 mpg less than the 2018 Optima Hybrid. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.