2021 Kia K5 debuts as replacement for Optima
The third-generation Kia Optima was a design revelation for the boring sedan segment when it was launched in 2011. The fourth-gen followed in 2016, bringing some edgy styling to the table and the once ugly duckling turned into a darn good-looking swan. For its fifth gen, Kia has dropped the Optima name altogether and has launched it as the 2021 Kia K5, which has been its Korean-market name for the past decade.