Compare images of 2021 Mazda 6 and 2021 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 2021 Mazda 6 has bigger and thirstier engine; the 2021 Nissan Altima gets 3 more mpg. Among similarities are the body structure, starting price, ground shadow size, height, and maximum occupancy.