Kia K5 is an mid-size sedan that was introduced by the South Korean automaker Kia in 2020. It is the sixth-generation model of Kia's Optima/K5 series and replaces the fourth-generation K5/Optima. It offers a range of engines, including a 2.5-liter turbocharged four-cylinder, a 1.6-liter turbocharged four-cylinder, and a hybrid powertrain. It also features a modern exterior design, updated interior space, advanced driver assistance technologies, and a suite of entertainment and connectivity features.