This gallery features photos of the 2016 Kia Optima EX, a mid-size sedan powered by a 2.4-liter GDI four-cylinder engine with a refined cabin featuring light gray leather seating and a touchscreen infotainment system. Images include exterior shots from multiple angles, engine bay detail, and interior views. Read the Quick Drive: 2016 Kia Optima EX Review for the complete assessment.