The Kia K5 debuted for 2021 as the replacement for the Optima mid-size sedan. The K5 name was borrowed from the South Korean version of the car, better aligning the U.S. version with Kia’s ...

Repeated engine problems on the 2.5 turbo 4 in my GT, very concerning. Will not keep car beyond the warranty period, too risky. Also some electronic gremlins that took several service visits to ...